Nissan Murano: Power Supply and Ground Circuit / A/c Auto Amp.

Diagnosis Procedure

CHECK FUSE

Check fuses [No. 14 and 29, located in the fuse block (J/B)].

NOTE:

Refer to Terminal Arrangement.

Is the inspection result normal?

GO TO 2.

Replace the blown fuse after repairing the affected circuit.

CHECK A/C AUTO AMP. POWER SUPPLY

1. Ignition switch OFF.

2. Disconnect A/C auto amp. connector.

3. Check voltage between A/C auto amp. harness connector and ground.

   +		−		Voltage (Approx.)
   A/C auto amp.				Ignition switch position
   Connector	Terminal			OFF	ACC or ON	ON or START
   M50	23	Ground		0 V	0 V	Battery voltage
   	3			Battery voltage	Battery voltage	Battery voltage

Is the inspection result normal?

GO TO 3.

Repair harness or connector between A/C auto amp. and fuse block (J/B).

CHECK A/C AUTO AMP. GROUND CIRCUIT

1. Ignition switch OFF.

2. 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?

Inspection End.

Repair harness or connector.