Camera Image Signal Circuit

CAMERA IMAGE SIGNAL CIRCUIT

Description

Rear view camera images are transmitted to the AV control unit using the camera image signal circuits.


Diagnosis Procedure

Regarding Wiring Diagram information, With Navigation or Sedan.

1. CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY

1.Turn ignition switch OFF.
2.Disconnect AV control unit connector and rear view camera connector.





3.Check continuity between AV control unit harness connector
M103 (sedan) or M122 (coupe) (A) terminals 65, 66 and rear view camera harness connector B35 (sedan) or T7 (coupe) (B) terminals 3, 4.
65 - 4: Continuity should exist.
66 - 3: Continuity should exist.

4.Check continuity between AV control unit harness connector
M103 (sedan) or M122 (coupe) (A) terminals 9, 10 and ground.
65, 66 - Ground: Continuity should not exist.
Is inspection result OK?
YES- GO TO 2
NO- Repair harness or connector.

2. CHECK CAMERA IMAGE SIGNAL

1.Connect AV control unit connector and rear view camera connector.
2.Turn ignition switch ON.





3.Check signal between AV control unit harness connector M103
(sedan) or M122 (coupe) terminals 65 and 66.
65 - 66:

Is inspection result OK?
YES- Replace AV control unit. Service and Repair.
NO- Replace rear view camera. Bose Audio With Navigation.