G37x Sedan AWD V6-3.7L (VQ37VHR) (2010)
Diagnosis Procedure
WARNING:
-
Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup
capacitor.)
-
Never use unspecified tester or other measuring device.
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the air bag diagnosis sensor unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES - GO TO 2.
NO - Replace the main harness.
2.CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check the air bag diagnosis sensor unit. Refer to See: Restraint Systems/Air Bag Systems/Testing and Inspection/Initial Inspection and Diagnostic
Overview.
Is the inspection result normal?
YES - Replace the main harness.
NO - Replace parts whose air bag system has a malfunction.
CAN System (Type 9)
A-BAG BRANCH LINE CIRCUIT
Diagnosis Procedure
WARNING:
-
Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup
capacitor.)
-
Never use unspecified tester or other measuring device.
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the air bag diagnosis sensor unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES - GO TO 2.
NO - Replace the main harness.
2.CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check the air bag diagnosis sensor unit. Refer to See: Restraint Systems/Air Bag Systems/Testing and Inspection/Initial Inspection and Diagnostic
Overview.
Is the inspection result normal?
YES - Replace the main harness.
NO - Replace parts whose air bag system has a malfunction.
CAN System (Type 10)
A-BAG BRANCH LINE CIRCUIT
Diagnosis Procedure
WARNING:
-
Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup
capacitor.)
-
Never use unspecified tester or other measuring device.
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the air bag diagnosis sensor unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES - GO TO 2.
NO - Replace the main harness.
2.CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check the air bag diagnosis sensor unit. Refer to See: Restraint Systems/Air Bag Systems/Testing and Inspection/Initial Inspection and Diagnostic
Overview.
Is the inspection result normal?
YES - Replace the main harness.