Diagnosis Procedure

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSE

Check for blown fuses.

FUSES SPECIFICATIONS

Power source	Fuse No.
Battery	37
Ignition switch ACC or ON	6

Is the inspection result normal?

Yes: GO TO 2.

No: Be sure to eliminate cause of malfunction before installing new fuse.

CHECK POWER SUPPLY CIRCUIT

Check voltage between camera control unit harness connector and ground.

CONNECTOR TERMINAL VALUE TABLE

Signal name	Connector No.	Terminal No.	Ignition switch position	Value (Approx.)
Battery power supply	B481	32	OFF	Battery voltage
ACC power supply	B481	30	ACC	Battery voltage

Is the inspection result normal?

Yes: GO TO 3.

No: Check harness between camera control unit and fuse.

CHECK GROUND CIRCUIT

Turn ignition switch OFF.
Disconnect camera control unit connector.

Check continuity between camera control unit harness connector and ground.

CONNECTOR TERMINAL CONTINUITY TABLE

Signal name	Connector No.	Terminal No.	Ignition switch position	Continuity
Ground	B481	31	OFF	Existed

Is the inspection result normal?

Yes: INSPECTION END

No: Repair harness or connector.