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 AIR MIX DOOR MOTOR (REAR) POWER SUPPLY
- Turn ignition switch ON.
- Check voltage between air mix door motor (rear) harness connector and ground.
+ - Voltage
(Approx.)Air mix door motor (rear) Connector Terminal M132 1 Ground Battery voltage Is the inspection result normal?
YES
GO TO STEP 2 .
NO
GO TO STEP 4 .
- CHECK AIR MIX DOOR MOTOR (REAR) GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect air mix door motor (rear) connector.
- Check continuity between air mix door motor (rear) harness connector and ground.
Air mix door motor (rear) - Continuity Connector Terminal M132 3 Ground Yes
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair harness or connector.
- CHECK INSTALLATION OF AIR MIX DOOR MOTOR (REAR)
Check air mix door motor (rear) is properly installed. Refer to EXPLODED VIEW
Is the inspection result normal?
YES
Replace air mix door motor (rear). Refer to REMOVAL AND INSTALLATION - AIR MIX DOOR MOTOR (REAR) .
NO
Repair or replace malfunctioning part.
- CHECK AIR MIX DOOR MOTOR (REAR) POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect air mix door motor (rear) connector and A/C auto amp. connector.
- Check continuity between air mix door motor (rear) harness connector and A/C auto amp. harness connector.
Air mix door motor (rear) A/C auto amp. Continuity Connector Terminal Connector Terminal M132 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.