Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

1. CHECK COMPOSITE IMAGE SIGNAL CIRCUIT CONTINUITY 
   1. Turn ignition switch OFF.
   2. Disconnect AV control unit connector M165 and display unit connector M168.
   3. Check continuity between AV control unit connector M165 and display unit connector M168.

      AV control unit		Display unit		Continuity
      Connector	Terminal	Connector	Terminal
      M165	56	M168	18	Yes
      	55		19

   4. Check continuity between AV control unit connector M165 and ground.

      AV control unit		Ground	Continuity
      Connector	Terminal
      M165	56	-	No

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair or replace harness or connectors.

2. CHECK COMPOSITE IMAGE SIGNAL 
   1. Connect AV control unit connector M165 and display unit connector M168.
   2. Turn ignition switch ON.
   3. Check signal between AV control unit connector M165 and ground.

      AV control unit connector M165		Condition	Reference value
      (+)	(-)
      Terminal	Terminal
      56	55	DVD image is displayed.

      Is the inspection result normal? 

      YES: Replace display unit. Refer to "REMOVAL AND INSTALLATION ".

      NO: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".