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 SHUT-OFF DOOR MOTOR POWER SUPPLY
- Turn ignition switch ON.
- Check voltage between shut-off door motor harness connector and ground.
+ - Voltage
(Approx.)Shut-off door motor Connector Terminal M12 1 Ground Battery voltage Is the inspection result normal?
YES
GO TO STEP 2 .
NO
GO TO STEP 4 .
- CHECK SHUT-OFF DOOR MOTOR GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect shut-off door motor connector.
- Check continuity between shut-off door motor harness connector and ground.
Shut-off door motor - Continuity Connector Terminal M12 3 Ground Yes
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair harness or connector.
- CHECK INSTALLATION OF SHUT-OFF DOOR MOTOR
Check shut-off door motor is properly installed. Refer to EXPLODED VIEW .
Is the inspection result normal?
YES
Replace shut-off door motor. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace malfunctioning part.
- CHECK SHUT-OFF DOOR MOTOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect shut-off door motor connector and A/C auto amp. connector.
- Check continuity between shut-off door motor harness connector and A/C auto amp. harness connector.
Shut-off door motor A/C auto amp. Continuity Connector Terminal Connector Terminal M12 1 M50 17 Yes
Is the inspection result normal?
YES
Replace A/C auto amp. Refer to REMOVAL AND INSTALLATION .
NO
Repair harness or connector.