Diagnosis Procedure

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

   Front auxiliary input jacks		AV control unit		Continuity
   Connector	Terminal	Connector	Terminal
   M139	7	M209	26	Existed

4. Check continuity between front auxiliary input jacks harness connector and ground.

   Front auxiliary input jacks		Ground	Continuity
   Connector	Terminal
   M139	7		Not existed

Is the inspection result normal?

YES 

GO TO STEP 2  .

NO 

Repair harness or connector.

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

   (+)		(-)	Condition	Reference value
   Front auxiliary input jacks
   Connector	Terminal
   M139	7	Ground	At front AUX image is displayed.	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

Replace AV control unit. Refer to REMOVAL AND INSTALLATION .

NO 

Check that there is no malfunction in the external device.