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 fuses [No. 14 and 30, located in the fuse block (J/B)].
NOTE:Refer to TERMINAL ARRANGEMENT .
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Replace the blown fuse after repairing the affected circuit.
- CHECK A/C AUTO AMP. POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect A/C auto amp. connector.
- Check voltage between A/C auto amp. harness connector and ground.
+ - Voltage A/C auto amp. Ignition switch position Connector Terminal OFF ACC ON M50 23 Ground Approx. 0 V Approx. 0 V Battery voltage 3 Battery voltage Battery voltage Battery voltage
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair harness or connector between A/C auto amp. and fuse block (J/B).
- CHECK A/C AUTO AMP. GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between A/C auto amp. harness connector and ground.
A/C auto amp. - Continuity Connector Terminal M50 2 Ground Yes 22
Is the inspection result normal?
YES
Inspection End.
NO
Repair harness or connector.