Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK STEERING SWITCH SIGNAL B CIRCUIT
- Turn ignition switch OFF.
- Disconnect combination meter harness connector and spiral cable harness connector.
- Check continuity between combination meter harness connector and spiral cable harness connector.
Combination meter Spiral cable Continuity Connector Terminal Connector Terminal M57 23 M87 31 Existed - Check continuity between combination meter harness connector and ground.
Combination meter Ground Continuity Connector Terminal M57 23 Not existed
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair harness or connector.
- CHECK STEERING SWITCH GROUND CIRCUIT
- Disconnect combination meter harness connector and spiral cable harness connector.
- Check continuity between combination meter harness connector and spiral cable harness connector.
Combination meter Spiral cable Continuity Connector Terminal Connector Terminal M57 21 M87 33 Existed - Check continuity between combination meter harness connector and ground.
Combination meter Ground Continuity Connector Terminal M57 21 Not existed
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair harness or connector.
- CHECK SPIRAL CABLE
- Disconnect steering switch connector.
- Check continuity between spiral cable harness connectors.
Spiral cable Continuity Connector Terminal Connector Terminal M87 31 M303 15 Existed 33 17
Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Replace spiral cable. Refer to REMOVAL AND INSTALLATION .
- CHECK STEERING SWITCH
Check steering switch. Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES
INSPECTION END
NO
Replace steering switch. Refer to REMOVAL AND INSTALLATION .