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General Procedures > < Diagnostic Instructions - Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) - 2.0L Duratec-RS (Zetec)

Focus RS 2003 (09.2002-)

Supplemental Restraint System - Pinpoint Tests - Air Bag Supplemental Restraint System (SRS)—2.0L Duratec-RS (Zetec) Focus RS 2003 (09/2002-)
Diagnosis and Testing

Pinpoint Tests

PINPOINT TEST A : NO COMMUNICATION WITH THE MODULE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
A1: CHECK THAT WDS/FDS 2000 IS COMMUNICATING THROUGH THE DATA LINK CONNECTOR (DLC)
1
Select an alternative system to check the DLC.

Is WDS/FDS 2000 able to communicate with the selected system?
Yes
GO to A2.
No
CHECK the DLC. For additional information, refer to the Wiring Diagrams.
A2: CHECK THE AIR BAG WARNING INDICATOR
1
Ignition switch in position II.
2
The air bag warning indicator should illuminate when the ignition is in the ON position for three seconds then go out. If a fault is present, the air bag warning will begin to flash after five seconds.

Is the air bag warning indicator operating?
Yes
GO to A3.
No
CHECK the instrument cluster. For additional information, refer to the Wiring Diagrams.
A3: CHECK THE DLC CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Ignition switch in position 0.
2
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
3
Disconnect Air Bag Control Module C424.

4
Measure the resistance between the DLC C200 pin 7, circuit 8-EE18 (WH/BK) and the air bag control module C424 pin 7, circuit 8-EE7 (WH/RD).

Is the resistance less than 5 ohms?
Yes
INSTALL a new air bag control module.
REFER to Air Bag Control Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuit 8-EE18 (WH/BK)/8-EE7 (WH/RD). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST B : DTC B1921: AIR BAG WARNING INDICATOR GROUND MONITORING CIRCUIT OPEN
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
B1: CHECK THE AIR BAG CONTROL MODULE MOUNTING
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Remove the floor console. REFER to Section  501-12 Instrument Panel and Console.
3
Check the security of the air bag control module.

Is the air bag control module correctly mounted and all bolts tightened to the correct torque?
Yes
GO to B2.
No
SECURE the air bag control module.
REFER to Air Bag Control Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
B2: CHECK THE AIR BAG CONTROL MODULE CASE GROUND
1
Disconnect Air Bag Control Module C424.

2
Measure the resistance between the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD), harness side and the air bag control module housing.

Is the resistance less than 5 ohms?
Yes
REPEAT the self-test. CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REMOVE the air bag control module. CLEAN the air bag control module mounting (including bolts). INSTALL the air bag control module.
REFER to Air Bag Control Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST C : DTC B1318: BATTERY VOLTAGE LOW
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
C1: CHECK THE BATTERY VOLTAGE
1
Ignition switch in position II.
2
Check the battery voltage with the ignition in the ON position.

Is the battery voltage greater than 9 volts?
Yes
GO to C2.
No
CHECK the battery and charging system. REFER to Section  414-00 Charging System - General Information. REPEAT the self-test CLEAR the DTCs.
C2: CHECK THE CONDITION OF THE FUSE.
1
Ignition switch in position 0.
2
Disconnect Fuse 60 (7.5A).
3
CHECK Fuse 60 (7.5A).
4
Check the condition of fuse 60 (7.5A).

Is any corrosion present on the fuse or the terminals?
Yes
CLEAN the terminals. INSTALL a new fuse 60 (7.5A). REPEAT the self-test, CLEAR the DTCs.
No
GO to C3.
C3: CHECK THE AIR BAG CONTROL MODULE SUPPLY CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Disconnect Air Bag Control Module C424.

3
Measure the resistance between the output side of fuse 60 (7.5A) and the air bag control module C424 pin 8, circuit 15-JA10 (GN/OG) harness side.

Is the resistance less than 5 ohms?
Yes
GO to C4.
No
CHECK the connector terminals for corrosion or dirt ingress. REPEAT the self-test. CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
C4: CHECK THE AIR BAG CONTROL MODULE GROUND CIRCUIT

1
Measure the resistance between the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) and the A-pillar ground G41.

Is the resistance less than 2 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
CHECK the air bag control module A-pillar ground G41 for security and corrosion. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST D : DTC B1869: AIR BAG WARNING INDICATOR OPEN CIRCUIT OR SHORT TO GROUND
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
D1: CHECK THE AIR BAG WARNING INDICATOR
1
Ignition switch in position II.
2
Check the air bag warning indicator.

Is the air bag warning indicator illuminated continuously?
Yes
GO to D2.
No
GO to D5.
D2: CHECK THE AIR BAG WARNING INDICATOR CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Ignition switch in position 0.
2
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
3
Disconnect Air Bag Control Module C424.
4
Disconnect Instrument Cluster C809.

5
Measure the resistance between the instrument cluster C809 pin 22, circuit 91S-JA14 (BK/GN) and the air bag control module C424 pin 4, circuit 91S-JA14 (BK/GN) harness side.

Is the resistance less than 5 ohms?
Yes
GO to D3.
No
REPAIR circuit 91S-JA14 (BK/GN). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
D3: CHECK THE AIR BAG WARNING INDICATOR FUNCTION
1
Connect Instrument Cluster C809.
2
Install a fused (7.5A) jumper wire between the air bag control module C424 pin 4, circuit 91S-JA14 (BK/GN) harness side and ground.

3
TURN the ignition ON.

Is the air bag warning indicator illuminated?
Yes
INSTALL a new automatic detach detect circuit/instrument cluster printed circuit. REPEAT the self-test, CLEAR the DTC. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to D4. .
D4: CHECK THE AIR BAG WARNING INDICATOR FUNCTION (CONT.)
1
With the fused (7.5A) jumper wire between the air bag control module C424 pin 4, circuit 91S-JA14 (BK/GN) and ground.

2
Disconnect the fused jumper wire from the ground.

Is the air bag warning indicator illuminated?
Yes
INSTALL a new air bag control module.
REFER to Air Bag Control Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
D5: CHECK THE INSTRUMENT CLUSTER WARNING INDICATORS
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
NOTE:
NOTE:The air bag control module will only activate the audible warning if there is an air bag warning indicator fault AND another fault in the supplemental restraint system, (for example an open circuit on the driver air bag module) in all cases REPAIR the air bag warning indicator first.
1
Ignition switch in position 0.
2
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
3
Ignition switch in position II.
4
Check the instrument cluster warning indicators.

Are the warning indicators illuminated when the ignition is switched to the ON position?
Yes
GO to D6.
No
CHECK the instrument cluster fuse. For additional information refer to the Wiring Diagrams.
D6: CHECK THE AIR BAG WARNING INDICATOR CIRCUIT
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C424.

3
Measure the resistance between the air bag control module C424 pin 4, circuit 91S-JA14 (BK/GN) harness side and ground.

Is the resistance greater than 10,000 ohms?
Yes
CHECK the air bag warning indicator LED/bulb. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuit 91S-JA14 (BK/GN). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST E : DTC B1870: AIR BAG WARNING INDICATOR SHORT TO BATTERY
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
E1: CHECK THE AIRBAG WARNING INDICATOR CIRCUIT
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Disconnect Air Bag Control Module C424.
3
Disconnect Instrument Cluster C809.
4
Ignition switch in position II.

5
Measure the voltage between the air bag control module C424 pin 4, circuit 91S-JA14 (BK/GN) harness side and ground.

Is any voltage present?
Yes
REPAIR circuit 91S-JA14 (BK/GN) and 15-JA10 (GN/OG) or 91S-JA14A (BK/GN). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
CHECK the instrument cluster. REFER to Section  413-01 Instrument Cluster. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST F : DTC B1887: DRIVER AIR BAG SHORT TO GROUND
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connectors. Failure to follow this instruction may result in personal injury.
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
F1: CHECK THE DRIVER AIR BAG CIRCUIT
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
GO to F2.
No
GO to F3.
F2: CHECK THE DRIVER AIR BAG MODULE
WARNING:
WARNING:Do not proceed with this test unless using WDS/FDS 2000. Failure to follow this instruction may result in personal injury.
1
Connect the Test and Deployment lead 40-007-01 to the driver air bag module.
2
Select DMM specific on WDS/FDS 2000.
3
Connect the Test and Deployment lead to WDS/FDS 2000.

4
Measure the resistance between each of the terminals and the air bag module case.

Is the resistance greater than 10,000 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
INSTALL a new driver air bag module. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
F3: CHECK THE AIR BAG WIRING SUB-HARNESS FOR A SHORT TO GROUND
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C424.
3
Disconnect Driver Air Bag Module Simulator.
4
Measure the resistance between:
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) harness side and ground; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) harness side and ground.

5
Turn the steering wheel from lock to lock during the test, noting the reading.

Are the resistances greater than 10,000 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to F4.
F4: CHECK THE CLOCKSPRING FOR A SHORT TO GROUND.
1
Disconnect Driver Air Bag Module Sub-harness C920.
2
Measure the resistance between:
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module connector C424 pin 2, circuit 15S-JA8 (GN/RD) harness side and ground; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) harness side and ground.

3
Turn the steering wheel from lock to lock during the test, noting the reading.

Is the resistance greater than 10,000 ohms?
Yes
INSTALL a new air bag wiring sub-harness. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to F5.
F5: CHECK THE DRIVER AIR BAG CIRCUIT FOR A SHORT TO GROUND
1
Disconnect Clockspring C896.

2
Measure the resistance between:
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) harness side and ground; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) harness side and ground.

Are the resistances greater than 10,000 ohms?
Yes
INSTALL a new clockspring.
REFER to Clockspring in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuit 15S-JA8 (GN/RD) or 91S-JA8 (BK/OG) and 91-JA10 (BK/RD). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST G : DTC B1916: DRIVER AIR BAG SHORT TO BATTERY
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
G1: CHECK THE AIR BAG WIRING SUB-HARNESS FOR A SHORT TO BATTERY
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Visually check the driver air bag sub-harness for damage.
3
Disconnect Driver Air Bag Module Simulator.
4
Ignition switch in position II.

5
Measure the voltage between:
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) harness side and ground;
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) harness side and ground.

Is any voltage present
Yes
GO to G2.
No
CONNECT the driver air bag module simulator and air bag control module. REPEAT the self-test, CLEAR the DTCS. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
G2: CHECK THE CLOCKSPRING FOR A SHORT TO BATTERY
1
Ignition switch in position 0.
2
Disconnect Driver Air Bag Sub-harness C920.
3
Ignition switch in position II.
4
Measure the voltage between:
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) harness side and ground; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) harness side and ground.

5
Turn the steering wheel from lock to lock during the test, noting the reading.

Is any voltage present
Yes
GO to G3.
No
INSTALL a new air bag wiring sub-harness. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
G3: CHECK THE AIR BAG WIRING HARNESS FOR A SHORT TO BATTERY
1
Ignition switch in position 0.
2
Disconnect Clockspring C896.
3
Ignition switch in position II.

4
Measure the voltage between:
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) harness side and ground; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) harness side and ground.

Is any voltage present
Yes
REPAIR circuit 15S-JA8 (GN/RD) or 91S-JA8 (BK/OG) and 15-JA10 (GN/OG) or 91S-JA14A (BK/GN). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
INSTALL a new clockspring.
REFER to Clockspring in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST H : DTC B1932: DRIVER AIR BAG OPEN CIRCUIT OR HIGH RESISTANCE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
H1: CHECK THE DRIVER AIR BAG MODULE CIRCUIT RESISTANCE
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly
Yes
GO to H2.
No
GO to H3.
H2: CHECK THE DRIVER AIR BAG MODULE SQUIB RESISTANCE
WARNING:
WARNING:Do not proceed with this test unless using WDS/FDS 2000. Failure to follow this instruction may result in personal injury.
1
Connect the Test and Deployment Lead 40-007-01 to the driver air bag module.
2
Select DMM specific on WDS/FDS 2000.
3
Connect the Test and Deployment Lead to WDS/FDS 2000.

4
Measure the resistance of the air bag module squib.

Is the resistance between 2 and 3 ohms
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
INSTALL a new driver air bag module. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
H3: CHECK THE DRIVER AIR BAG MODULE SUB-HARNESS FOR OPEN CIRCUIT OR HIGH RESISTANCE
1
Ignition switch in position 0.
2
Disconnect Driver Air Bag Module Sub-harness C920.

3
Measure the resistance between:
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) harness side, and the clockspring C920 pin 4, circuit 15S-JA8 (GN/RD) component side; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) harness side, and the clockspring C920 pin 3, circuit 91S-KA8 (BK/OG) component side.
  • Turn the steering wheel from lock to lock during the test, noting the readings.

Are the resistances less than 5 ohms?
Yes
INSTALL a new driver air bag module sub-harness. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to H4.
H4: CHECK THE CLOCKSPRING FOR OPEN CIRCUIT OR HIGH RESISTANCE
1
Disconnect Clockspring C896.

2
Measure the resistance between:
  • the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) and the clockspring C896 pin 8, circuit 15S-JA8 (GN/RD) harness side; and
  • the air bag control module C424 pin 3, circuit 91S-JA8 (BK/OG) and the clockspring C896 pin 7, circuit 91S-JA8 (BK/OG) harness side.

Are the resistances less than 5 ohms?
Yes
Install a new clockspring.
REFER to Clockspring in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuit 15S-JA8 (GN/RD) or 91S-JA8 (BK/OG). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST I : DTC B1934: DRIVER AIR BAG CIRCUIT LOW RESISTANCE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
I1: CHECK THE DRIVER AIR BAG MODULE CIRCUIT RESISTANCE
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
GO to I2.
No
GO to I3.
I2: CHECK THE DRIVER AIR BAG MODULE SQUIB RESISTANCE
WARNING:
WARNING:Do not proceed with this test unless using WDS/FDS 2000. Failure to follow this instruction may result in personal injury.
1
Connect the Test and Deployment Lead 40-007-01 to the driver air bag module.
2
Select DMM specific on WDS/FDS 2000.
3
Connect the Test and Deployment Lead to WDS/FDS 2000.

4
Measure the resistance of the air bag module squib.

Is the resistance between 2 and 3 ohms
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
INSTALL a new driver air bag module. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
I3: CHECK THE AIR BAG WIRING SUB-HARNESS FOR LOW RESISTANCE
1
Ignition switch in position 0.
2
Disconnect Air Bag Module Sub-harness C920.

3
Measure the resistance between the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) and pin 3, circuit 91S-JA8 (BK/OG) harness side.
  • Turn the steering wheel from lock to lock during the test, noting the readings.

Is the resistance greater than 10,000 ohms?
Yes
INSTALL a new air bag wiring sub-harness. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to I4.
I4: CHECK THE CLOCKSPRING FOR LOW RESISTANCE
1
Disconnect Clockspring C896.

2
Measure the resistance between the air bag control module C424 pin 2, circuit 15S-JA8 (GN/RD) and pin 3, circuit 91S-JA8 (BK/OG) harness side.

Is the resistance greater than 10,000 ohms
Yes
INSTALL a new clockspring.
REFER to Clockspring in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuit 15S-JA8 (GN/RD) and 91S-JA8 (BK/OG). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST J : DTC B1888: PASSENGER AIR BAG SHORT TO GROUND
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
J1: CHECK THE PASSENGER AIR BAG CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
GO to J2.
No
GO to J3.
J2: CHECK THE PASSENGER AIR BAG MODULE
WARNING:
WARNING:Do not proceed with this test unless using WDS/FDS 2000. Failure to follow this instruction may result in personal injury.
1
Connect the Test and Deployment Lead 40-007-01 to the driver air bag module.
2
Select DMM specific on WDS/FDS 2000.
3
Connect the Test and Deployment Lead to WDS/FDS 2000.

4
Measure the resistance between each of the terminals and the air bag module case.

Is the resistance greater than 10,000 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
INSTALL a new passenger air bag module. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
J3: CHECK THE PASSENGER AIR BAG CIRCUIT FOR A SHORT TO GROUND
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C424.

3
Measure the resistance between:
  • the air bag control module C424 pin 5, circuit 15S-JA11 (GN/WH) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 5, circuit 15S-JA11 (GN/WH) harness side and ground; and
  • the air bag control module C424 pin 6, circuit 91S-JA11 (BK/WH) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 6, circuit 91S-JA11 (BK/WH) harness side and ground.

Are the resistances greater than 10,000 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuit 15S-JA11 (GN/WH) or 91S-JA11 (BK/WH) and 91-JA10 (BK/RD). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST K : DTC B1925: PASSENGER AIR BAG SHORT TO BATTERY
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
K1: CHECK THE PASSENGER AIR BAG CIRCUIT FOR A SHORT TO BATTERY
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Visually check the passenger air bag wiring harness for damage.
3
Disconnect Passenger Air Bag Module Simulator.
4
Ignition switch in position II.

5
Measure the voltage between:
  • the air bag control module C424 pin 5, circuit 15S-JA11 (GN/WH) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 5, circuit 15S-JA11 (GN/WH) harness side and ground; and
  • the air bag control module C424 pin 6, circuit 91S-JA11 (BK/WH) and pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C424 pin 6, circuit 91S-JA11 (BK/WH) harness side and ground.

Is any voltage present?
Yes
REPAIR circuit 15S-JA11 (GN/WH) or 91S-JA11 (BK/WH) and 15-JA10 (GN/OG) or 91S-JA14A (BK/GN). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
CONNECT the passenger air bag module simulator and the air bag control module. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST L : DTC B1933: PASSENGER AIR BAG OPEN CIRCUIT OR HIGH RESISTANCE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
L1: CHECK THE PASSENGER AIR BAG MODULE CIRCUIT RESISTANCE
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed .

Does the system prove out correctly?
Yes
GO to L2.
No
REPAIR circuit 15S-JA11 (GN/WH)or 91S-JA11 (BK/WH). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
L2: CHECK THE PASSENGER AIR BAG MODULE SQUIB RESISTANCE
WARNING:
WARNING:Do not proceed with this test unless using WDS/FDS 2000. Failure to follow this instruction may result in personal injury.
1
Connect the Test and Deployment Lead 40-007-01 to the passenger air bag module.
2
Select DMM specific on WDS/FDS 2000.
3
Connect the Test and Deployment Lead to WDS/FDS 2000.

4
Measure the resistance of the air bag module squib.

Is the resistance between 2 and 3 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
INSTALL a new passenger air bag module. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST M : DTC B1935: PASSENGER AIR BAG CIRCUIT LOW RESISTANCE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
M1: CHECK THE PASSENGER AIR BAG MODULE CIRCUIT RESISTANCE
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
GO to M2.
No
GO to M3.
M2: CHECK THE PASSENGER AIR BAG MODULE SQUIB RESISTANCE
WARNING:
WARNING:Do not proceed with this test unless using WDS/FDS 2000. Failure to follow this instruction may result in personal injury.
1
Connect the Test and Deployment Lead 40-007-01 to the passenger air bag module
2
Select DMM specific on WDS/FDS 2000.
3
Connect the Test and Deployment Lead to WDS/FDS 2000.

4
Measure the resistance of the air bag module squib.

Is the resistance between 2 and 3 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
INSTALL a new passenger air bag module. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
M3: CHECK THE PASSENGER AIR BAG CIRCUIT FOR LOW RESISTANCE
1
Ignition switch in position 0.
2
Disconnect Passenger air bag simulator.
3
Disconnect Air Bag Control Module C424.

4
Measure the resistance between the air bag control module C424 Pin 5, circuit 15S-JA11 (GN/WH) and pin 6, circuit 91S-JA11 (BK/WH) harness side.

Is the resistance greater than 10,000 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuit 15S-JA11 (GN/WH) and 91S-JA11 (BK/WH). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST N : DTC B1876: DRIVER SAFETY BELT PRETENSIONER CIRCUIT CAPACITANCE OUT OF RANGE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
N1: CHECK THE DRIVER SAFETY BELT PRETENSIONER CAPACITANCE
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instrument may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new driver safety belt pretensioner. REFER to Section  501-20A Safety Belt System / 501-20B Supplemental Restraint System. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
CHECK the air bag module simulator is installed correctly. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST O : DTC B1877: DRIVER SAFETY BELT PRETENSIONER OPEN CIRCUIT OR HIGH RESISTANCE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
O1: CHECK THE DRIVER SAFETY BELT PRETENSIONER CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
CHECK the driver safety belt pretensioner electrical connector is correctly located into the 5-way underseat connector block. INSTALL a new driver safety belt pretensioner. REFER to Section  501-20A Safety Belt System / 501-20B Supplemental Restraint System. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to O2.
O2: CHECK THE DRIVER SAFETY BELT PRETENSIONER FOR OPEN CIRCUIT OR HIGH RESISTANCE
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423.
3
Disconnect 5-Way Underseat Air Bag Simulator C30.

4
Measure the resistance between:
  • the air bag control module C423 pin 11, circuit 15S-JA33 (GN/BU) and the 5-way underseat connector C30 pin 5, circuit 15S-JA33 (GN/BU) harness side; and
  • the air bag control module C423 pin 12, circuit 91S-JA33 (BK/BU) and the 5-way underseat connector C30 pin 6, circuit 91S-JA33 (BK/BU) harness side.

Are the resistances less than 5 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuit 15S-JA33 (GN/BU) or 91S-JA33 (BK/BU). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST P : DTC B1878: DRIVER SAFETY BELT PRETENSIONER SHORTED TO BATTERY
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
P1: CHECK THE DRIVER SAFETY BELT PRETENSIONER CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground lad before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed .

Does the system prove out correctly?
Yes
INSTALL a new driver safety belt pretensioner. REFER to Section  501-20A Safety Belt System / 501-20B Supplemental Restraint System.REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to P2.
P2: CHECK THE DRIVER SAFETY BELT PRETENSIONER CIRCUIT FOR A SHORT TO BATTERY
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423 and C424.
3
Disconnect 5-Way Underseat Air Bag Simulator C30.
4
Ignition switch in position II.

5
Measure the voltage between:
  • the air bag control module C423 pin 11, circuit 15S-JA33 (GN/BU) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 11, circuit 15S-JA33 (GN/BU) harness side and ground; and
  • the air bag control module C423 pin 12, circuit 91S-JA33 (BK/BU) and the air bag control module C424 pin 9, circuit 19-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 12, circuit 91S-JA33 (BK/BU) harness side and ground.

Is any voltage present?
Yes
REPAIR circuit 15S-JA33 (GN/BU) or 91S-JA33 (BK/BU) and 15-JA10 (GN/OG) or 91S-JA14A (BK/GN). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST Q : DTC B1879: DRIVER SAFETY BELT PRETENSIONER SHORTED TO GROUND
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
Q1: CHECK THE DRIVER SAFETY BELT PRETENSIONER CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new driver safety belt pretensioner. REFER to Section  501-20A Safety Belt System / 501-20B Supplemental Restraint System. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to Q2.
Q2: CHECK THE DRIVER SAFETY BELT PRETENSIONER CIRCUIT FOR A SHORT TO GROUND
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423 and C424.
3
Disconnect 5-Way Underseat Air Bag Simulator C30.

4
Measure the resistance between:
  • the air bag control module C423 pin 11, circuit 15S-JA33 (GN/BU) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 11, circuit 15S-JA33 (GN/BU) harness side and ground; and
  • the air bag control module C423 pin 12, circuit 91S-JA33 (BK/BU) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 12, circuit 91S-JA33 (BK/BU) harness side and ground.

Are the resistances greater than 10,000 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuit 15S-JA33 (GN/BU) or 91S-JA33 (BK/BU) and 91-JA10 (BK/RD). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST R : DTC B1885: DRIVER SAFETY BELT PRETENSIONER LOW RESISTANCE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
R1: CHECK THE DRIVER SAFETY BELT PRETENSIONER CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new driver safety belt pretensioner. REFER to Section  501-20A Safety Belt System / 501-20B Supplemental Restraint System. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to R2.
R2: CHECK THE DRIVER SAFETY BELT PRETENSIONER CIRCUIT FOR LOW RESISTANCE
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423.
3
Disconnect 5-Way Underseat Air Bag Simulator C30.

4
Measure the resistance between:
  • the air bag control module C423 pin 11, circuit 15S-JA33 (GN/BU) and pin 12, circuit 91S-JA33 (BK/BU) harness side.

Is the resistance greater than 10,000 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuit 15S-JA33 (GN/BU) and 91S-JA33 (BK/BU). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST S : DTC B1992: DRIVER SIDE AIR BAG SHORT TO BATTERY
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
S1: CHECK THE DRIVER AIR BAG CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new driver side air bag module.
REFER to Side Air Bag Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to S2.
S2: CHECK THE DRIVER SIDE AIR BAG CIRCUIT FOR A SHORT TO BATTERY
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423 and C424.
3
Disconnect Driver Air Bag Simulator C30.
4
Ignition switch in position II.

5
Measure the voltage between:
  • the air bag control module C423 pin 15, circuit 15S-JA37 (GN/BK) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 15, circuit 15S-JA37 (GN/BK) harness side and ground; and
  • the air bag control module C423 pin 16, circuit 91S-JA37 (BK/GN) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 16, circuit 91S-JA37 (BK/GN) harness side and ground.

Is any voltage present?
Yes
REPAIR circuit 15S-JA37 (GN/BK) or 91S-JA37 (BK/GN) and 15-JA10 (GN/OG) or 91S-JA14A (BK/GN). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPEAT the self-test. CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST T : DTC B1993: DRIVER SIDE AIR BAG CIRCUIT SHORTED TO GROUND.
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
T1: CHECK THE DRIVER SIDE AIR BAG CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new driver side air bag module.
REFER to Side Air Bag Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to T2.
T2: CHECK THE DRIVER SIDE AIR BAG CIRCUIT FOR A SHORT TO GROUND.
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423 and C424.
3
Disconnect Driver Side Air Bag Simulator C30.

4
Measure the resistance between:
  • the air bag control module C423 pin 15, circuit 15S-JA37 (GN/BK) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 15, circuit 15S-JA37 (GN/BK) harness side and ground; and
  • the air bag control module C423 pin 16, circuit 91S-JA37 (BK/GN) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 16, circuit 91S-JA37 (BK/GN) harness side and ground.

Are the resistances greater than 10,000 ohms?
Yes
REPEAT the self-test. CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuit 15S-JA37 (GN/BK) or 91S-JA37 (BK/GN) and 91-JA10 (BK/RD). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST U : DTC B1994: DRIVER SIDE AIR BAG OPEN CIRCUIT OR HIGH RESISTANCE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
U1: CHECK THE DRIVER SIDE AIR BAG CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
CHECK the driver 5-way underseat electrical connector is correctly located into the driver 5-way underseat connector block. INSTALL a new driver side air bag module.
REFER to Side Air Bag Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to U2.
U2: CHECK THE DRIVER SIDE AIR BAG FOR OPEN CIRCUIT OR HIGH RESISTANCE
1
Disconnect Air Bag Control Module C423.
2
Disconnect Driver Side Air Bag Simulator C30.

3
Measure the resistance between:
  • the air bag control module C423 pin 15, circuit 15S-JA37 (GN/BK) and the driver 5-way underseat connector C30 pin 9, circuit 15S-JA37 (GN/BK) harness side; and
  • the air bag control module C423 pin 16, circuit 91S-JA37 (BK/GN) and the driver 5-way underseat connector C30 pin 10, circuit 91S-JA37 (BK/GN) harness side.

Are the resistances less than 5 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuit 15S-JA37 (GN/BK) or 91S-JA37 (BK/GN). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST V : DTC B1995: DRIVER SIDE AIR BAG LOW RESISTANCE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
V1: CHECK THE DRIVER SIDE AIR BAG CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new driver side air bag module.
REFER to Side Air Bag Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to V2.
V2: CHECK THE DRIVER SIDE AIR BAG CIRCUIT FOR LOW RESISTANCE
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423.
3
Disconnect 5-Way Underseat Air Bag Simulator C30.

4
Measure the resistance between:
  • the air bag control module C423 pin 15, circuit 15S-JA37 (GN/BK) and pin 16, circuit 91S-JA37 (BK/GN) harness side.

Is the resistance greater than 10,000 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuits 15S-JA37 (GN/BK) and 91S-JA37 (BK/GN). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST W : DTC B2117: DRIVER SIDE AIR BAG MODULE CIRCUIT CAPACITANCE OUT OF RANGE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
W1: CHECK THE DRIVER SIDE AIR BAG MODULE CAPACITANCE
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new driver side air bag module.
REFER to Side Air Bag Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
CHECK the air bag simulator is installed correctly. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST X : DTC B2444: DRIVER SIDE IMPACT SENSOR SHORTED TO GROUND/IGNITION/BATTERY OR INTERNAL FAULT
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
X1: CHECK THE DRIVER SIDE IMPACT SENSOR CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Disconnect Side Impact Sensor C427 or C428.
3
Disconnect Air Bag Control Module C423.

4
Measure the resistance between:
    NOTE:
    NOTE:LHD
  • the air bag control module C423 pin 18, circuit 15S-JA39 (GN/YE) and the driver side impact sensor C427 pin 1, circuit 15S-JA39 (GN/YE) harness side; and
  • the air bag control module C423 pin 19, circuit 91-JA39 (BK/YE) and the driver side impact sensor C427 pin 2, circuit 91-JA39 (BK/YE) harness side.
    NOTE:
    NOTE:RHD
  • the air bag control module C423 pin 18, circuit 15S-JA39 (GN/YE) and the driver side impact sensor C428 pin 1, circuit 15S-JA39 (GN/YE) harness side; and
  • the air bag control module C423 pin 19, circuit 91-JA39 (BK/YE) and the driver side impact sensor C428 pin 2, circuit 91-JA39 (BK/YE) harness side.

Are the resistances less than 5 ohms?
Yes
GO to X2.
No
REPAIR circuits 15S-JA39 (GN/YE) and 91-JA39 (BK/YE). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
X2: CHECK THE DRIVER SIDE IMPACT SENSOR CIRCUIT FOR A SHORT CIRCUIT
1
Disconnect Air Bag Control Module C424.

2
Measure the resistance between:
  • the air bag control module C423 pin 18, circuit 15S-JA39 (GN/YE) and the air bag control module C424 pin 8, circuit 15-JA10 (GN/OG) harness side; and
  • the air bag control module C423 pin 18, circuit 15S-JA39 (GN/YE) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 18, circuit 15S-JA39 (GN/YE) harness side and ground; and
  • the air bag control module C423 pin 19, circuit 91-JA39 (BK/YE) and the air bag control module C424 pin 8, circuit 15-JA10 (GN/OG) harness side; and
  • the air bag control module C423 pin 19, circuit 91-JA39 (BK/YE) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 19, circuit 91-JA39 (BK/YE) harness side and ground.

Are the resistances greater than 10,000 ohms?
Yes
INSTALL a new side impact sensor.
REFER to Side Impact Sensor in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuits 15-JA10 (GN/OG) or 91-JA10 (BK/RD) and 15S-JA39 (GN/YE) or 91-JA39 (BK/YE). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST Y : DTC B1880: PASSENGER SAFETY BELT PRETENSIONER CIRCUIT CAPACITANCE OUT OF RANGE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
Y1: CHECK THE PASSENGER SAFETY BELT PRETENSIONER CAPACITANCE
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new passenger safety belt pretensioner. REFER to Section  501-20A Safety Belt System / 501-20B Supplemental Restraint System. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
CHECK the air bag simulator is installed correctly. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST Z : DTC 1881: PASSENGER SAFETY BELT PRETENSIONER OPEN CIRCUIT OR HIGH RESISTANCE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
Z1: CHECK THE PASSENGER SAFETY BELT PRETENSIONER CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new passenger safety belt pretensioner. REFER to Section  501-20A Safety Belt System / 501-20B Supplemental Restraint System. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to Z2.
Z2: CHECK THE PASSENGER SAFETY BELT PRETENSIONER FOR OPEN CIRCUIT OR HIGH RESISTANCE
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423.
3
Disconnect 5-Way Underseat Air Bag Simulator C31.

4
Measure the resistance between:
  • the air bag control module C423 pin 20, circuit 15S-JA34 (GN/OG) and the passenger 5-way underseat connector C31 pin 5, 15S-JA34 (GN/OG) harness side; and
  • the air bag control module C423 pin 21, circuit 91S-JA34 (BK/RD) and the passenger 5-way underseat connector C31 pin 6, 91S-JA34 (BK/RD) harness side.

Are the resistances less than 5 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuits 15S-JA34 (GN/OG) or 91S-JA34 (BK/RD). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST AA : DTC B1882: PASSENGER SAFETY BELT PRETENSIONER SHORTED TO BATTERY
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
AA1: CHECK THE PASSENGER SAFETY BELT PRETENSIONER CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new passenger safety belt pretensioner. REFER to Section  501-20A Safety Belt System / 501-20B Supplemental Restraint System. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to AA2.
AA2: CHECK THE PASSENGER SAFETY BELT PRETENSIONER CIRCUIT FOR A SHORT TO BATTERY
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423.
3
Disconnect 5-Way Underseat Air Bag Simulator C31.
4
Ignition switch in position II.

5
Measure the voltage between:
  • the air bag control module C423 pin 20, circuit 15S-JA34 (GN/OG) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 20, circuit 15S-JA34 (GN/OG) harness side and ground; and
  • the air bag control module C423 pin 21, circuit 91S-JA34 (BK/RD) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 21, circuit 91S-JA34 (BK/RD) harness side and ground

Is any voltage present?
Yes
REPAIR circuits 15-JA10 (GN/OG) and 15S-JA34 (GN/OG) or 91S-JA34 (BK/RD). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPEAT self-test. CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST AB : DTC B1883: PASSENGER SAFETY BELT PRETENSIONER SHORTED TO GROUND
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
AB1: CHECK THE PASSENGER SAFETY BELT PRETENSIONER CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new passenger safety belt pretensioner. REFER to Section  501-20A Safety Belt System / 501-20B Supplemental Restraint System. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to AB2.
AB2: CHECK THE PASSENGER SAFETY BELT PRETENSIONER CIRCUIT FOR A SHORT TO GROUND
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423 and C424.
3
Disconnect 5-Way Underseat Air Bag Simulator C31.

4
Measure the resistance between:
  • the air bag control module C423 pin 20, circuit 15S-JA34 (GN/OG) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 20, circuit 15S-JA34 (GN/OG) harness side and ground; and
  • the air bag control module C423 pin 21, circuit 91S-JA34 (BK/RD) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 21, circuit 91S-JA34 (BK/RD) harness side and ground

Are the resistances greater than 10,000 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuits 15S-JA34 (GN/0G) or 91S-JA34 (BK/RD) and 91-JA10 (BK/RD). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST AC : DTC B1886: PASSENGER SAFETY BELT PRETENSIONER LOW RESISTANCE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
AC1: CHECK THE PASSENGER SAFETY BELT PRETENSIONER CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed

Does the system prove out correctly?
Yes
INSTALL a new passenger safety belt pretensioner. REFER to Section  501-20A Safety Belt System / 501-20B Supplemental Restraint System. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to AC2.
AC2: CHECK THE PASSENGER SAFETY BELT PRETENSIONER CIRCUIT FOR LOW RESISTANCE
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423.
3
Disconnect 5-Way Underseat Air Bag Simulator C31.

4
Measure the resistance between:
  • the air bag control module C423 pin 20, circuit 15S-JA34 (GN/OG) and pin 21, circuit 91S-JA34 (BK/RD) harness side.

Is the resistance greater than 10,000 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR 15S-JA34 (GN/OG) and 91S-JA34 (BK/RD). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST AD : DTC 1996 PASSENGER SIDE AIR BAG SHORT TO BATTERY.
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
AD1: CHECK THE PASSENGER AIR BAG CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new passenger side air bag module.
REFER to Side Air Bag Module in this section.
REPEAT the self-test. CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to AD2.
AD2: CHECK THE PASSENGER SIDE AIR BAG CIRCUIT FOR A SHORT TO BATTERY
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423 and C424.
3
Disconnect 5-Way Underseat Air Bag Simulator C31.
4
Ignition switch in position II.

5
Measure the voltage between:
    NOTE:
    NOTE:LHD
  • the air bag control module C423 pin 23, circuit 15S-JA15 (GN/RD) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 23, circuit 15S-JA15 (GN/RD) harness side and ground; and
  • the air bag control module C423 pin 24, circuit 91S-JA15 (BK/OG) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 24, circuit 91S-JA15 (BK/OG) harness side and ground.
    NOTE:
    NOTE:RHD
  • the air bag control module C423 pin 23, circuit 15S-JA38 (GN/OG) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 23, circuit 15S-JA38 (GN/OG) harness side and ground; and
  • the air bag control module C423 pin 24, circuit 91S-JA38 (BK/RD) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 24, circuit 91S-JA38 (BK/RD) harness side and ground.

Is any voltage present?
Yes
REPAIR circuits 15-JA10 (GN/OG) and 15S-JA15 (GN/RD) or 91S-JA15 (BK/OG)LHD; 15S-JA38 (GN/OG) or 91S-JA38 (BK/RD) RHD. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST AE : DTC B1997: PASSENGER SIDE AIR BAG CIRCUIT SHORTED TO GROUND
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
AE1: CHECK THE PASSENGER SIDE AIR BAG CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new passenger side air bag module.
REFER to Side Air Bag Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to AE2.
AE2: CHECK THE PASSENGER SIDE AIR BAG FOR A SHORT TO GROUND
1
Ignition switch in position II.
2
Disconnect Air Bag Control Module C423 and C424.
3
Disconnect 5-Way Underseat Air Bag Simulator C31.

4
Measure the resistance between:
    NOTE:
    NOTE:LHD
  • the air bag control module C423 pin 23, circuit 15S-JA15 (GN/RD) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 23, circuit 15S-JA15 (GN/RD) harness side and ground; and
  • the air bag control module C423 pin 24, circuit 91S-JA15 (BK/OG) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 24, circuit 91S-JA15 (BK/OG) harness side and ground.
    NOTE:
    NOTE:RHD
  • the air bag control module C423 pin 23, circuit 15S-JA38 (GN/OG) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 23, circuit 15S-JA38 (GN/OG) harness side and ground; and
  • the air bag control module C423 pin 24, circuit 91S-JA38 (BK/RD) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 24, circuit 91S-JA38 (BK/RD) harness side and ground.

Are the resistances greater than 10,000 ohms?
Yes
REPEAT the self-test. CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuits 15S-JA15 (GN/RD) or 91S-JA15 (BK/OG) LHD; 15S-JA38 (GN/OG) or 91S-JA38 (BK/RD) RHD and 91-JA10 (BK/RD). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST AF : DTC B1998: PASSENGER SIDE AIR BAG OPEN CIRCUIT OR HIGH RESISTANCE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
AF1: CHECK THE PASSENGER SIDE AIR BAG CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new passenger side air bag module.
REFER to Side Air Bag Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to AF2.
AF2: CHECK THE PASSENGER SIDE AIR BAG FOR OPEN CIRCUIT OR HIGH RESISTANCE
1
Disconnect Air Bag Control Module C423.
2
Disconnect 5-Way Underseat Air Bag Simulator C31.

3
Measure the resistance between:
    NOTE:
    NOTE:LHD
  • the air bag control module C423 pin 23, circuit 15S-JA15 (GN/RD) and the passenger 5-way underseat connector C31 pin 9, 15S-JA15 (GN/RD) harness side; and
  • the air bag control module C423 pin 24, circuit 91S-JA15 (BK/OG) and the passenger 5-way underseat connector C31 pin 10, 91S-JA15 (BK/OG) harness side.
    NOTE:
    NOTE:RHD
  • the air bag control module C423 pin 23, circuit 15S-JA38 (GN/OG) and the passenger 5-way underseat connector C31 pin 9, 15S-JA38 (GN/OG) harness side; and
  • the air bag control module C423 pin 24, circuit 91S-JA38 (BK/RD) and the passenger 5-way underseat connector C31 pin 10, 91S-JA38 (BK/RD) harness side.

Are the resistances less than 5 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuits 15S-JA15 (GN/RD) or 91S-JA15 (BK/OG) LHD; 15S-JA38 (GN/OG) or 91S-JA38 (BK/RD) RHD. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST AG : DTC B1999 PASSENGER SIDE AIR BAG LOW RESISTANCE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
AG1: CHECK THE PASSENGER SIDE AIR BAG CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new passenger side air bag module.
REFER to Side Air Bag Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
GO to AG2.
AG2: CHECK THE PASSENGER SIDE AIR BAG FOR LOW RESISTANCE
1
Ignition switch in position 0.
2
Disconnect Air Bag Control Module C423.
3
Disconnect 5-Way Underseat Side Air Bag Simulator C31.

4
Measure the resistance between:
    NOTE:
    NOTE:LHD
  • the air bag control module C423 pin 23, circuit 15S-JA15 (GN/RD) and pin 24, circuit 91S-JA15 (BK/OG) harness side.
    NOTE:
    NOTE:RHD
  • the air bag control module C423 pin 23, circuit 15S-JA38 (GN/OG) and pin 24, circuit 91S-JA38 (BK/RD) harness side.

Is the resistance greater than 10,000 ohms?
Yes
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuits 15S-JA15 (GN/RD) and 91S-JA15 (BK/OG) LHD; 15S-JA38 (GN/OG) and 91S-JA38 (BK/RD) RHD. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST AH : DTC B2118: PASSENGER SIDE AIR BAG MODULE CIRCUIT CAPACITANCE OUT OF RANGE
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
AH1: CHECK THE PASSENGER SIDE AIR BAG MODULE CAPACITANCE
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connector. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Ignition switch in position II.
3
Carry out the self-test with the simulators installed.

Does the system prove out correctly?
Yes
INSTALL a new passenger side air bag module.
REFER to Side Air Bag Module in this section.
REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
CHECK the air bag simulator is installed correctly. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

PINPOINT TEST AI : DTC B2445: PASSENGER SIDE IMPACT SENSOR SHORTED TO GROUND/IGNITION/BATTERY OR INTERNAL FAULT
TEST CONDITIONS DETAILS/RESULTS/ACTIONS
AI1: CHECK THE PASSENGER SIDE IMPACT SENSOR CIRCUIT
WARNING:
WARNING:Wait at least one minute after disconnecting the battery ground cable before disconnecting any supplemental restraint system electrical connectors. Failure to follow this instruction may result in personal injury.
1
Deactivate the supplemental restraint system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
2
Disconnect Side Impact Sensor C427 or C428.
3
Disconnect Air Bag Control Module C423.

4
Measure the resistance between:
    NOTE:
    NOTE:LHD
  • the air bag control module C423 pin 26, circuit 15S-JA40 (GN/WH) and the side impact sensor C428 pin 1, circuit 15S-JA40 (GN/WH) harness side; and
  • the air bag control module C423 pin 25, circuit 91-JA40 (BK/WH) and the side impact sensor C428 pin 2, circuit 91-JA40 (BK/WH) harness side.
    NOTE:
    NOTE:RHD
  • the air bag control module C423 pin 26, circuit 15S-JA40 (GN/WH) and the side impact sensor C427 pin 1, circuit 15S-JA40 (GN/WH) harness side; and
  • the air bag control module C423 pin 25, circuit 91-JA40 (BK/WH) and the side impact sensor C427 pin 2, circuit 91-JA40 (BK/WH) harness side.

Are the resistances less than 5 ohms?
Yes
GO to AI2.
No
REPAIR circuits 15S-JA40 (GN/WH) or 91-JA40 (BK/WH). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
AI2: CHECK THE PASSENGER SIDE IMPACT SENSOR CIRCUIT FOR A SHORT CIRCUIT
1
Disconnect Air Bag Control Module C424.

2
Measure the resistance between:
  • the air bag control module C423 pin 26, circuit 15S-JA40 (GN/WH) and the air bag control module C424 pin 8, circuit 15-JA10 (GN/OG) harness side; and
  • the air bag control module C423 pin 26, circuit 15S-JA40 (GN/WH) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 26, circuit 15S-JA40 (GN/WH) harness side and ground; and
  • the air bag control module C423 pin 25, circuit 91S-JA40 (BK/WH) and the air bag control module C424 pin 8, circuit 15-JA10 (GN/OG) harness side; and
  • the air bag control module C423 pin 25, circuit 91S-JA40 (BK/WH) and the air bag control module C424 pin 9, circuit 91-JA10 (BK/RD) harness side; and
  • the air bag control module C423 pin 25, circuit 91S-JA40 (BK/WH) harness side and ground.

Are the resistances greater than 10,000 ohms?
Yes
INSTALL a new side impact sensor. REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.
No
REPAIR circuits 15-JA10 (GN/OG) and 15S-JA40 (GN/YE) or 91-JA40 (BK/WH). REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.
REFER to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) in this section.

General Procedures > < Diagnostic Instructions - Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) - 2.0L Duratec-RS (Zetec)