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 FUSE
Check that the following fuses are not blown.
Terminal No. Signal name Fuse No. 29 Ignition signal 29 (5A) 39 ACC power supply 65 (10A) 51 Battery power supply 15 (15A) Are the fuses blown?
YES
Replace the blown fuse after repairing the affected circuit.
NO
GO TO STEP 2 .
- CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect AV control unit connectors M42 and M44.
- Check voltage between AV control unit connectors and ground.
AV control unit Ground Condition Voltage
(Approx.)Connector Terminal M42 29 - Ignition switch: ON Battery voltage M44 39 Ignition switch: ACC 51 Ignition switch: OFF
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace harness or connectors.
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between AV control unit connector M44 terminal 52 and ground.
AV control unit Ground Continuity Connector Terminal M44 52 - Yes
Is the inspection result normal?
YES
Inspection End.
NO
Repair or replace harness or connectors.