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Diagnosis Procedure

CHECK CONTINUITY CAMERA IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect camera control unit connector and display unit connector.
3. Check continuity between camera control unit harness connector terminal 12 and display unit harness connector terminal 12.
  12 - 12 : Continuity should exist.
4. Check continuity between camera control unit harness connector terminal 12 and ground.
  12 - Ground : Continuity should not exist.
Is the inspection result normal?

YES: GO TO 2.

NO: Repair harness or connector.

CHECK CAMERA IMAGE SIGNAL

Connect camera control unit connector and display unit connector.
Turn ignition switch ON.
Check signal between camera control unit harness connector terminal 12 and ground.

TERMINALS REFERENCE

Terminal	Condition		Reference value
12 - Ground	Ignition switch ON	At rear view camera image is displayed.

Is the inspection result normal?

YES: Replace display unit.

NO: Replace camera control unit.