Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSE
Check fuses [No. 14 and 30, located in the fuse block (J/B)].

NOTE: Refer to appropriate wiring information .

Is the inspection result normal?

YES

GO TO 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 3.

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.

Repair harness or connector.