Workshop Repair Manuals

Vauxhall Workshop Manuals

[PREV PAGE] [NEXT PAGE]

vauxhall Workshop Repair Guides


Astra J

Safety and Security > Supplemental Inflatable Restraints > Other Information > DTC B0014-B0045

DTC B0014-B0045

Diagnostic Instructions

•  Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
•  Review Strategy Based Diagnosis for an overview of the diagnostic approach.
•  Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors

DTC B0014 01: Driver Seat Side Air Bag Deployment Loop Short to Battery
DTC B0014 02: Driver Seat Side Air Bag Deployment Loop Short to Ground
DTC B0014 04: Driver Seat Side Air Bag Deployment Loop Open
DTC B0014 0D: Driver Seat Side Air Bag Deployment Loop High Resistance
DTC B0014 0E: Driver Seat Side Air Bag Deployment Loop Low Resistance
DTC B0015 01: Driver Seat Belt Retractor Pretensioner Deployment Loop Short to Battery
DTC B0015 02: Driver Seat Belt Retractor Pretensioner Deployment Loop Short to Ground
DTC B0015 04: Driver Seat Belt Retractor Pretensioner Deployment Loop Open
DTC B0015 0D: Driver Seat Belt Retractor Pretensioner Deployment Loop High Resistance
DTC B0015 0E: Driver Seat Belt Retractor Pretensioner Deployment Loop Low Resistance
DTC B0016 01: Left Roof Rail Air Bag Deployment Loop Short to Battery
DTC B0016 02: Left Roof Rail Air Bag Deployment Loop Short to Ground
DTC B0016 04: Left Roof Rail Air Bag Deployment Loop Open
DTC B0016 0D: Left Roof Rail Air Bag Deployment Loop High Resistance
DTC B0016 0E: Left Roof Rail Air Bag Deployment Loop Low Resistance
DTC B0019 01: Passenger Instrument Panel Air Bag Deployment Loop Stage 1 Short to Battery
DTC B0019 02: Passenger Instrument Panel Air Bag Deployment Loop Stage 1 Short to Ground
DTC B0019 04: Passenger Instrument Panel Air Bag Deployment Loop Stage 1 Open
DTC B0019 0D: Passenger Instrument Panel Air Bag Deployment Loop Stage 1 High Resistance
DTC B0019 0E: Passenger Instrument Panel Air Bag Deployment Loop Stage 1 Low Resistance
DTC B0020 01: Passenger Instrument Panel Air Bag Deployment Loop Stage 2 Short to Battery
DTC B0020 02: Passenger Instrument Panel Air Bag Deployment Loop Stage 2 Short to Ground
DTC B0020 04: Passenger Instrument Panel Air Bag Deployment Loop Stage 2 Open
DTC B0020 0D: Passenger Instrument Panel Air Bag Deployment Loop Stage 2 High Resistance
DTC B0020 0E: Passenger Instrument Panel Air Bag Deployment Loop Stage 2 Low Resistance
DTC B0021 01: Passenger Seat Side Air Bag Deployment Loop Short to Battery
DTC B0021 02: Passenger Seat Side Air Bag Deployment Loop Short to Ground
DTC B0021 04: Passenger Seat Side Air Bag Deployment Loop Open
DTC B0021 0D: Passenger Seat Side Air Bag Deployment Loop High Resistance
DTC B0021 0E: Passenger Seat Side Air Bag Deployment Loop Low Resistance
DTC B0022 01: Passenger Seat Belt Retractor Pretensioner Deployment Loop Short to Battery
DTC B0022 02: Passenger Seat Belt Retractor Pretensioner Deployment Loop Short to Ground
DTC B0022 04: Passenger Seat Belt Retractor Pretensioner Deployment Loop Open Circuit
DTC B0022 0D: Passenger Seat Belt Retractor Pretensioner Deployment Loop High Resistance
DTC B0022 0E: Passenger Seat Belt Retractor Pretensioner Deployment Loop Low Resistance
DTC B0023 01: Right Roof Rail Air Bag Deployment Loop Short to Battery
DTC B0023 02: Right Roof Rail Air Bag Deployment Loop Short to Ground
DTC B0023 04: Right Roof Rail Air Bag Deployment Loop Open
DTC B0023 0D: Right Roof Rail Air Bag Deployment Loop High Resistance
DTC B0023 0E: Right Roof Rail Air Bag Deployment Loop Low Resistance

Diagnostic Fault Information



Circuit


Short to Ground


High Resistance


Open


Short to Voltage


Signal Performance


Driver Seat Side Air Bag High Control


B0014 02, B0014 0E


B0014 0D


B0014 04, B0014 0D


B0014 01





Driver Seat Side Air Bag Low Control


B0014 02, B0014 0E


B0014 0D


B0014 04, B0014 0D


B0014 01





Driver Seat Belt Retractor Pretensioner High Control


B0015 02, B0015 0E


B0015 0D


B0015 04, B0015 0D


B0015 01





Driver Seat Belt Retractor Pretensioner Low Control


B0015 02, B0015 0E


B0015 0D


B0015 04, B0015 0D


B0015 01





Left Roof Rail Air bag High Control


B0016 02, B0016 0E


B0016 0D


B0016 04, B0016 0D


B0016 01





Left Roof Rail Air Bag Low Control


B0016 02, B0016 0E


B0016 0D


B0016 04, B0016 0D


B0016 01





Passenger Instrument Panel Air bag Stage 1 High Control


B0019 02, B0019 0E


B0019 0D


B0019 04, B0019 0D


B0019 01





Passenger Instrument Panel Air Bag Stage 1 Low Control


B0019 02, B0019 0E


B0019 0D


B0019 04, B0019 0D


B0019 01





Passenger Instrument Panel Air Bag Stage 2 High Control


B0020 02, B0020 0E


B0020 0D


B0020 04, B0020 0D


B0020 01





Passenger Instrument Panel Air Bag Stage 2 Low Control


B0020 02, B0020 0E


B0020 0D


B0020 04, B0020 0D


B0020 01





Passenger Seat Side Air Bag High Control


B0021 02, B0021 0E


B0021 0D


B0021 04, B0021 0D


B0021 01





Passenger Seat Side Air Bag High Control


B0021 02, B0021 0E


B0021 0D


B0021 04, B0021 0D


B0021 01





Passenger Seat Belt Retractor Pretensioner High Control


B0022 02, B0022 0E


B0022 0D


B0022 04, B0022 0D


B0022 01





Passenger Seat Belt Retractor Pretensioner Low Control


B0022 02, B0022 0E


B0022 0D


B0022 04, B0022 0D


B0022 01





Right Roof Rail Air Bag High Control


B0023 02, B0023 0E


B0023 0D


B0023 04, B0023 0D


B0023 01





Right Roof Rail Air Bag Low Control


B0023 02, B0023 0E


B0023 0D


B0023 04, B0023 0D


B0023 01




 

Circuit/System Description

During a side or frontal crash of sufficient force the inflatable restraint sensing and diagnostic module will allow current to flow through the deployment loop in order to deploy an air bag or pretensioner. There are 2 shorting bars used within the air bag connector which will short together control circuits, when the connector is disconnected. This will help to prevent unwanted deployment of the air bag or pretensioner during servicing.

Conditions for Running the DTC

Ignition voltage is between 9–16 V.

Conditions for Setting the DTC

B0014 01, B0015 01, B0016 01, B0019 01, B0020 01, B0021 01, B0022 01, B0023 01

The air bag or pretensioner control circuit is shorted to voltage for 2 seconds.

B0014 02, B0015 02, B0016 02, B0019 02, B0020 02, B0021 02, B0022 02, B0023 02

The air bag or pretensioner control circuit is shorted to ground for 2 seconds.

B0014 04, B0015 04, B0016 04, B0019 04, B0020 04, B0021 04, B0022 04, B0023 04

The air bag or pretensioner control circuit is open for 2 seconds.

B0014 0D, B0015 0D, B0016 0D, B0019 0D, B0020 0D, B0021 0D, B0022 0D, B0023 0D

The air bag or pretensioner deployment loop resistance is greater than 4.2 Ω for 2 seconds.

B0014 0E, B0015 0E, B0016 0E, B0019 0E, B0020 0E, B0021 0E, B0022 0E, B0023 0E

The air bag or pretensioner deployment loop resistance is less than 1.4 Ω for 2 seconds.

Action Taken When the DTC Sets

•  The inflatable restraint sensing and diagnostic module requests the instrument cluster to illuminate the SIR system AIR BAG indicator.
•  The inflatable restraint sensing and diagnostic module will store a DTC, however if an event occurs the system will still attempt deployments.

Conditions for Clearing the DTC

•  The condition for setting the DTC no longer exists.
•  A history DTC will clear once 100 malfunction-free ignition cycles have occurred.

Diagnostic Aid


Note: 
The following diagnostic aids apply for both current and history DTCs.

An incorrectly installed CPA or incorrectly seated connector can cause a shorting bar to short both control circuits together. Check the connectors and CPAs if a DTC with symptom byte 02 or 0E is set, to ensure the shorting bars are not causing the circuits to be shorted together. Shorting bars are used in the locations listed below:

•  Passenger instrument panel air bag
•  Driver and passenger seat side air bags
•  Left and right roof rail air bags
•  Driver and passenger pretensioners
•  Inline connectors – on the side of the harness connector
•  Harness side of the inflatable restraint sensing and diagnostic module connector

Terminal fretting or incorrectly seated connector can cause an open/high resistance condition. Check the circuit terminals for fretting or incorrectly seated connector if a DTC with symptom byte 04 or 0D is set. If DTCs of deployment loops which are in the seat DTC B0014 and B0021, can occur because of stress or damage to the harness due to seat movement. Move the seat to the full extend of travel while using the scan tool to observe deployment type loop parameters.

Reference Information


Schematic Reference

SIR Schematics


Connector End View Reference

Component Connector End Views


Description and Operation

SIR System Description and Operation


Electrical Information Reference


Scan Tool Reference

Control Module References for scan tool information


Special Tools

EL-38125-580  Terminal Release Tool Kit

Circuit/System Verification


Note: 
•  Refer to SIR Service Precautions .
•  Inspect all terminals for damage or corrosion when disconnecting connectors. Damage or corrosion in the following requires repair or replacement of the affected component/connector.
  Seat belt pretensioner
  Passenger instrument panel air bag
  Side air bag
  Roof rail air bag
  Inflatable restraint sensing and diagnostic module
  Seat belt pretensioner wiring harness connector
  Passenger instrument panel air bag wiring harness connector
  Seat side air bag wiring harness connector
  Roof rail air bag wiring harness connector
  Inflatable restraint sensing and diagnostic module wiring harness connector
•  The connector and connector position assurance (CPA) may seat independent of each other. Both the connector and CPA should seat with an audible and/or tactile click. The CPA isolates the shorting-bars within the connector allowing the deployment circuit to operate properly.
•  If the condition is intermittent or cannot be duplicated, disconnect the connectors and add Nyogel lubricant 760G. This procedure will correct the high resistance condition due to terminal fretting corrosion.

1. Verify the scan tool Deployment Loop Resistance 1 and 2 parameters stay consistently between 2.1 and 4.0 Ω without any spikes or dropouts while moving the harness near each connector listed below:
  •  F105 Passenger instrument panel air bag
  •  F105L Roof rail air bag – left
  •  F105R Roof rail air bag – right
  •  F106 Side air bag
  •  F112 Seat belt retractor pretensioner
  •  Any inline harness
  •  K36 inflatable restraint sensing and diagnostic module
    ⇒  If less than 2.1 or greater than 4.0 Ω

Refer to Circuit/System Testing.     ⇒  If there are spikes or dropouts, perform the following

  •  Inspect each connector terminal and harness for damage or corrosion and repair as necessary
  •  Apply Nyogel lubricant 760G to each connector terminal
  •  Insure each connector and CPA is correctly seated.
    ⇓  If within 2.1 and 4.0 Ω without any spikes or dropouts

2. All OK

Circuit/System Testing

DTC B0014–B0018 or B0021–B0045

1. Ignition OFF.
2. Disconnect the scan tool.
3. Disconnect the appropriate harness connector listed below:
  •  F105L Roof rail air bag – left
  •  F105R Roof rail air bag – right
  •  F106 Side air bag
  •  F112 Seat belt retractor pretensioner
4. Wait for 120 seconds.
5. Test for greater than 25 Ω between the control circuit terminals 1 and 2.
    ⇒  If 25 Ω or less

  5.1 Disconnect the harness connector at the K36 inflatable restraint sensing and diagnostic module.
Note:  Some connectors may be equipped with shorting bars as a safety component to prevent accidental inflator deployment. When testing on a connector with shorting bars, the shorting bars must be disabled to ensure accurate test results. Insert an appropriate pick from EL-38125-580 and depress the shorting bars above the appropriate terminals. This will lift the shorting bar from the terminal and allow accurate test results. Take care not to damage the connector, shorting bar, or terminal when depressing the shorting bar.
  5.2 Test for infinite resistance between the two control circuits.
⇒  If less than infinite resistance, repair the short between the two circuits.
⇒  If infinite resistance, replace the K36 inflatable restraint sensing and diagnostic module.
    ⇓  If greater than 25 Ω

6. Ignition ON.
7. Test for less than 11 V between the control circuit terminals listed below and ground:
  •  Control circuit terminal 1
  •  Control circuit terminal 2
    ⇒  If 11 V or greater

  7.1 Ignition OFF.
  7.2 Disconnect the harness connector at the K36 inflatable restraint sensing and diagnostic module.
  7.3 Ignition ON.
  7.4 Test for less than 1 V between the control circuit and ground.
⇒  If 1 V or greater, repair the short to voltage on the circuit.
⇒  If less than 1 V, replace the K36 inflatable restraint sensing and diagnostic module.
    ⇓  If less than 11 V

8. Ignition OFF.
9. Test for greater than 25 Ω between the control circuit terminals listed below and ground:
  •  Control circuit terminal 1
  •  Control circuit terminal 2
    ⇒  If 25 Ω or less

  9.1 Disconnect the harness connector at the K36 inflatable restraint sensing and diagnostic module.
  9.2 Test for infinite resistance between the control circuit and ground.
⇒  If less than infinite resistance, repair the short to ground on the circuit.
⇒  If infinite resistance, replace the K36 inflatable restraint sensing and diagnostic module.
    ⇓  If greater than 25 Ω

10. Ignition OFF.
11. Install a 3 A fused jumper wire between the control circuit terminals 1 and 2.
12. Ignition ON.
13. Verify the scan tool Deployment Loop Resistance parameter is less than 2 Ω.
    ⇒  If 2 Ω or greater

  13.1 Ignition OFF.
  13.2 Disconnect the harness connector at the K36 inflatable restraint sensing and diagnostic module.
  13.3 Test for less than 2 Ω in each control circuit end to end.
⇒  If 2 Ω or greater, repair the open/high resistance in the circuit.
⇒  If less than 2 Ω, replace the K36 inflatable restraint sensing and diagnostic module.
    ⇓  If less than 2 Ω

14. Ignition OFF, connect the harness connector at the F105L roof rail air bag – left, F105R roof rail air bag – right, F106 seat side air bag or F112 seat belt retractor pretensioner, press in the CPA (if equipped) until an audible and/or tactile click is heard.
15. Ignition ON, clear DTCs. Operate the vehicle within the Conditions for Running the DTC.
16. Verify DTC B0014–B0018 or B0021–B0045 is not set.
    ⇒  If DTC B0014–B0018 or B0021–B0045 is set

Replace the F105L roof rail air bag – left, F105R roof rail air bag – right, F106 seat side air bag or F112 seat belt retractor pretensioner.     ⇓  If DTC B0014–B0018 or B0021–B0045 is not set

17. All OK.

DTC B0019–B0020

1. Ignition OFF.
2. Disconnect the scan tool.
3. Disconnect the F105 passenger instrument panel air bag connectors X1 and X2.
4. Test for greater than 25 Ω between the appropriate control circuit terminals listed below on the inflatable restraint sensing and diagnostic module side of the connector:
  •  F105 Passenger instrument panel airbag stage 1 terminal 1 and 2 X1
  •  F105 Passenger instrument panel airbag stage 2 terminal 1 and 2 X2
    ⇒  If 25 Ω or less

  4.1 Disconnect the harness connector at the K36 inflatable restraint sensing and diagnostic module.
Note:  Some connectors may be equipped with shorting bars as a safety component to prevent accidental inflator deployment. When testing on a connector with shorting bars, the shorting bars must be disabled to ensure accurate test results. Insert an appropriate pick from EL-38125-580 and depress the shorting bars above the appropriate terminals. This will lift the shorting bar from the terminal and allow accurate test results. Take care not to damage the connector, shorting bar, or terminal when depressing the shorting bar.
  4.2 Test for infinite resistance between the two control circuits.
⇒  If less than infinite resistance, repair the short between the two circuits.
⇒  If infinite resistance, replace the K36 inflatable restraint sensing and diagnostic module.
    ⇓  If greater than 25 Ω

5. Ignition ON.
6. Test for less than 11 V between each control circuit terminal listed below and ground:
  •  Control circuit terminal 1 X1
  •  Control circuit terminal 2 X1
  •  Control circuit terminal 1 X2
  •  Control circuit terminal 2 X2
    ⇒  If 11 V or greater

  6.1 Ignition OFF.
  6.2 Disconnect the harness connector at the K36 inflatable restraint sensing and diagnostic module.
  6.3 Ignition ON.
  6.4 Test for less than 1 V between the control circuit and ground.
⇒  If 1 V or greater, repair the short to voltage on the circuit.
⇒  If less than 1 V, replace the K36 inflatable restraint sensing and diagnostic module.
    ⇓  If less than 11 V

7. Test for greater than 25 Ω between each control circuit terminal listed below and ground:
  •  Control circuit terminal 1 X1
  •  Control circuit terminal 2 X1
  •  Control circuit terminal 1 X2
  •  Control circuit terminal 2 X2
    ⇒  If 25 Ω or less

  7.1 Disconnect the harness connector at the K36 inflatable restraint sensing and diagnostic module.
  7.2 Test for infinite resistance between the control circuit and ground.
⇒  If less than infinite resistance, repair the short to ground on the circuit.
⇒  If infinite resistance, replace the K36 inflatable restraint sensing and diagnostic module.
    ⇓  If greater than 25 Ω

8. Ignition OFF.
9. Install a 3 A fused jumper wire between the control circuit terminals listed below:
  •  F105 Passenger instrument panel airbag stage 1 terminal 1 and 2 X1
  •  F105 Passenger instrument panel airbag stage 2 terminal 1 and 2 X2
10. Ignition ON.
11. Verify the scan tool Deployment Loop Resistance parameter is less than 2 Ω.
    ⇒  If 2 Ω or greater

  11.1 Ignition OFF.
  11.2 Disconnect the harness connector at the K36 inflatable restraint sensing and diagnostic module.
  11.3 Test for less than 2 Ω in each control circuit end to end.
⇒  If 2 Ω or greater, repair the open/high resistance in the circuit.
⇒  If less than 2 Ω, replace the K36 inflatable restraint sensing and diagnostic module.
    ⇓  If less than 2 Ω

12. Ignition OFF, connect the harness connector at the F105 passenger instrument panel air bag, press in the CPA (if equipped) until an audible and/or tactile click is heard.
13. Ignition ON, clear DTCs. Operate the vehicle within the Conditions for Running the DTC.
14. Verify DTC B0019–B0020 is not set.
    ⇒  If DTC B0019–B0020 is set

Replace the F105 passenger instrument panel air bag.     ⇓  If DTC B0019–B0020 is not set

15. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

•  Control Module References for inflatable restraint sensing and diagnostic module replacement, programming and setup

Safety and Security > Supplemental Inflatable Restraints > Other Information > DTC B0014-B0045

[PREV PAGE] [NEXT PAGE]