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Home >> Infiniti >> 2010 >> QX56 AWD V8-5.6L (VK56DE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Entertainment Systems >> Entertainment System Control Module >> Testing and Inspection
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Entertainment System Control Module: Testing and Inspection





POWER SUPPLY AND GROUND CIRCUIT


AV CONTROL UNIT : Diagnosis Procedure

Regarding Wiring Diagram information, Electrical Diagrams.
1.CHECK FUSES
Check that the following AV control unit fuses are not blown.





Are the fuses OK?
YES - GO TO 2.
NO - If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.POWER SUPPLY CIRCUIT CHECK





1. Disconnect AV control unit connectors M42 and M45.
2. Check voltage between the AV control unit connectors M42 and
M45 and ground.





Are the voltage results as specified?
YES - GO TO 3.
NO - � Check connector housings for disconnected or loose terminals.
- Repair harness or connector.
3.GROUND CIRCUIT CHECK





1. Ignition OFF.
2. Check continuity between AV control unit harness connectors
M42 and M45 and ground.





Are the continuity results as specified?
YES - Inspection End.
NO - Repair AV control unit ground.
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