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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 Front Display Unit) >> Base Audio
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Base Audio




COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY UNIT)

Description

The AV control unit outputs image signal (DVD, auxiliary input, and camera) 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 FRONT DISPLAY

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





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





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

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

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





Is inspection result normal?
YES- Replace front display unit. Base Audio.
NO- Replace AV control unit. Base Audio.
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