Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK AV CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Check AV control unit power supply and ground circuit. Refer to DIAGNOSIS PROCEDURE .
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair or replace malfunctioning parts.
- CHECK AV COMMUNICATION CIRCUIT
- Turn ignition switch OFF.
- Disconnect display control unit harness connector and AV control unit harness connector.
- Check the continuity between display control unit harness connector and AV control unit harness connector.
Display control unit AV control unit Continuity Connector Terminal Connector Terminal M100 16 M164 22 Existed 28 42
Is the inspection result normal?
YES
Replace AV control unit. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace malfunctioning parts.