RGB (B Blue) Signal Circuit (Video Distributor to Rear Display Unit)

RGB (B: BLUE) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DISPLAY UNIT)


Description

Transmit the image displayed with video distributor with RGB signal to the rear display unit.




RGB (B: BLUE) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DISPLAY UNIT)


Diagnosis Procedure

1.CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear display unit connector and video distributor connector.
3. Check continuity between rear display unit harness connector terminal 22 and video distributor harness connector terminal 28.

22 - 28: Continuity should exist.

4. Check continuity between rear display unit harness connector terminal 22 and ground.

22 - Ground: Continuity should not exist.

Is the inspection result normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK RGB (B: BLUE) SIGNAL
1. Connect rear display unit connector and video distributor connector.
2. Turn ignition switch ON.
3. Check signal between rear display unit harness connector terminal 22 and ground.





Is the inspection result normal?
YES - Replace rear display unit.
NO - Replace video distributor.