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Home >> Nissan-Datsun >> 2012 >> Quest V6-3.5L (VQ35DE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Radio, Stereo, and Compact Disc >> Testing and Inspection >> Component Tests and General Diagnostics >> Composite Image Signal Circuit (AV Control Unit To Rear Display Unit) >> Bose Audio >> With Navigation
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COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO REAR DISPLAY UNIT)

Description

The AV control unit outputs image signal (DVD, USB memory-stored video data, and auxiliary input) to the front display unit and rear display unit by composite image signal.


Diagnosis Procedure


1. CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO REAR DISPLAY

UNIT)
1.Turn ignition switch OFF.
2.Disconnect AV control unit connector and rear display unit connector.
3.Check continuity between AV control unit harness connector and rear display unit harness connector.





4.Check continuity between AV control unit harness connector and ground.





Is the inspection result normal?
YES- GO TO 2.
NO- Repair harness or connector.

2. CHECK COMPOSITE IMAGE SIGNAL (AV CONTROL UNIT TO REAR DISPLAY UNIT)

1.Connect AV control unit and rear display unit connector.
2.Turn ignition switch ON.
3.Check signal between rear display unit harness connector.





Is the inspection result normal?
YES- Replace rear display unit. With Navigation.
NO- Replace AV control unit. With Navigation.
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