RGB Area (YS) Signal Circuit (Video Distributor to Rear Display Unit)

RGB AREA (YS) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DISPLAY UNIT)


Description

Transmits the rear display area of RGB image displayed by video distributor with RGB area (YS) signal to rear display unit.




RGB AREA (YS) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DISPLAY UNIT)


Diagnosis Procedure

1.CHECK CONTINUITY RGB AREA (YS) 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 17 and video distributor harness connector terminal 32.

17 - 32: Continuity should exist.

4. Check continuity between rear display unit harness connector terminal 17 and ground.

17 - Ground: Continuity should not exist.

Is the inspection result normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK RGB AREA (YS) 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 17 and ground.





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