Diagnosis Procedure

Check front display unit power supply and ground circuits. Refer to DIAGNOSIS PROCEDURE .

Is inspection result normal?

YES 

GO TO STEP 2  .

NO 

Repair malfunctioning parts.

1. Turn ignition switch OFF.
2. Disconnect front display unit connector and AV control unit connector.
3. Check continuity between front display unit harness connector and AV control unit harness connector.

   Front display unit		AV control unit		Continuity
   Connector	Terminals	Connector	Terminals
   M215	9	M210	89	Existed
   	10		73

4. Check continuity between front display unit harness connector and ground.

   Front display unit		Ground		Continuity
   Connector	Terminals
   M215	9			Not existed
   	10

Is inspection result normal?

YES 

GO TO STEP 3  .

NO 

Repair harness or connector.

1. Connect front display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between front display unit harness connector and ground.

   (+)		(-)		Condition	Reference value
   Front display unit
   Connector	Terminal
   M215	9	Ground		When adjusting display brightness.	Courtesy of NISSAN NORTH AMERICA, INC.

Is inspection result normal?

YES 

GO TO STEP 4  .

NO 

Replace AV control unit. Refer to REMOVAL AND INSTALLATION .

Check signal between front display unit harness connector and ground.

(+)		(-)		Condition	Reference value
Front display unit
Connector	Terminal
M215	10	Ground		When adjusting display brightness.	Courtesy of NISSAN NORTH AMERICA, INC.

Is inspection result normal?

YES 

INSPECTION END

NO 

Replace front display unit. Refer to REMOVAL AND INSTALLATION .