1.CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT

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

   AV control unit | Display unit | Continuity
   Connector | Terminal | Connector | Terminal
   M203 | 68 | M93 | 18 | Existed

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

   AV control unit | Ground | Continuity
   Connector | Terminal
   M203 | 68 | Not existed

Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair harness or connector.
2.CHECK COMPOSITE IMAGE SIGNAL

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

   (+) | (−) | Condition | Reference value
   AV control unit
   Connector | Terminal
   M203 | 68 | Ground | At DVD image is displayed. |

Is the inspection result normal?
YES>>Replace display unit.
NO>>Replace AV control unit.