AUDIO UNIT : Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSE

Check that the following fuses of the audio unit are not blown.

FUSE REFERENCE

Power source	Fuse No.
Battery	34
Ignition switch ACC or ON	19

Is inspection result OK?

YES: Go to 2.

NO: If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

CHECK AUDIO UNIT POWER SUPPLY CIRCUIT

Check voltage between the audio unit and ground.

TERMINALS REFERENCE

Signal name	Connector No.	Terminal No.	Ignition switch position	Voltage
Battery power supply	M81	19	OFF	Battery voltage
ACC power supply	M81	7	ACC	Battery voltage

Is inspection result OK?

YES: INSPECTION END

NO: Check harness between audio unit and fuse.