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AV RGB (B: BLUE) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DISPLAY UNIT) AV-127 < DTC/CIRCUIT DIAGNOSIS > [BOSE AUDIO WITHOUT NAVIGATION] C D E F G H I J K L M B A O P RGB (B: BLUE) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DIS- Description INFOID:0000000005528540 Transmit the image displayed with video distributor with RGB signal to the rear display unit. Diagnosis Procedure INFOID:0000000005528541 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 and video distributor harness connector. 4. Check continuity between rear display unit harness connector and ground. 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 and ground using an oscilloscope. Is the inspection result normal? YES >> Replace rear display unit. NO >> Replace video distributor. Rear display unit Video distributor Continuity Connector Terminal Connector Terminal R152 20 M257 28 Existed Rear display unit Ground Continuity Connector Terminal R152 20 Not existed (+) ( − ) Condition Signal Rear display unit Connector Terminal R152 20 Ground Rear seat remote controller opera- JSNIA1090ZZ |