Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK BACK DOOR WARNING CHIME POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect back door warning chime connector.
- Check voltage between back door warning chime harness connector and ground.
(+) (-) Voltage
(Approx.)Back door warning chime Connector Terminal B402 1 Ground Battery voltage Is the inspection result normal?
YES
GO TO STEP 3 .
NO
GO TO STEP 2 .
- CHECK BACK DOOR WARNING CHIME OUTPUT SIGNAL CIRCUIT
- Disconnect automatic back door control module connector.
- Check continuity between automatic back door control module harness connector and back door warning chime harness connector.
Automatic back door control module Back door warning chime Continuity Connector Terminal Connector Terminal B56 37 B402 1 Yes - Check continuity between automatic back door control module harness connector and ground.
Automatic back door control module Ground Continuity Connector Terminal B56 37 No
Is the inspection result normal?
YES
Replace automatic back door control module. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace harness.
- CHECK BACK DOOR WARNING CHIME GROUND CIRCUIT
Check continuity between back door warning chime harness connector and ground.
Back door warning chime Ground Continuity Connector Terminal B402 2 Yes Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Repair or replace harness.
- CHECK BACK DOOR WARNING CHIME
Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES
GO TO STEP 5 .
NO
Replace back door warning chime. Refer to REMOVAL AND INSTALLATION .
- CHECK INTERMITTENT INCIDENT
Refer to INTERMITTENT INCIDENT .
Inspection End.