Diagnosis Procedure

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

Is the inspection result normal?

YES 

GO TO STEP 2  .

NO 

Repair malfunctioning parts.

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

   Display unit		AV control unit		Continuity
   Connector	Terminals	Connector	Terminals
   M195	9	M151	89	Existed
   	10		73

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

   Display unit		Ground		Continuity
   Connector	Terminals
   M195	9			Not existed
   	10

Is the inspection result normal?

YES 

GO TO STEP 3  .

NO 

Repair harness or connector.

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

   (+)		(-)		Condition	Reference value
   Display unit
   Connector	Terminal
   M195	9	Ground		When adjusting display brightness.	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

GO TO STEP 4  .

NO 

Replace AV control unit. Refer to REMOVAL AND INSTALLATION .

Check signal between display unit harness connector and ground.

(+)		(-)		Condition	Reference value
Display unit
Connector	Terminal
M195	10	Ground		When adjusting display brightness.	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

INSPECTION END

NO 

Replace display unit. Refer to REMOVAL AND INSTALLATION .