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Diagnosis Procedure

CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front display unit connector and AV control unit connector.
3. Check continuity between front display unit harness connector terminal 9 and AV control unit harness connector terminal 99.
  9 - 99: Continuity should exist.
4. Check continuity between front display unit harness connector terminal 9 and ground.
  9 - Ground: Continuity should not exist.
Is the inspection result normal?

Yes: GO TO 2.

No: Repair harness or connector.

CHECK RGB AREA (YS) SIGNAL

Connect front display unit connector and AV control unit connector.
Turn ignition switch ON.

Check signal between front display unit harness connector terminal 9 and ground.

TERMINAL VALUE TABLE

Terminal	Condition		Reference value
9 - Ground	Ignition switch ON	When RGB image is displayed	Approx. 5 V
9 - Ground	Ignition switch ON	When rear view camera image is displayed.	Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

Yes: Replace front display unit.

No: Replace AV control unit.