Diagnosis Procedure
WARNING: This page is about a different car, the 2011 Infiniti G37. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONTINUITY RGB DIGITAL IMAGE SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect display unit connector and AV control unit connector.
- Check continuity between display unit harness connector and AV control unit harness connector.TERMINALS CONTINUITY REFERENCE CHART
Display unit AV control unit Continuity Connector Terminals Connector Terminals M386 27 M385 157 Existed 28 158 - Check continuity between display unit harness connector and ground.TERMINALS CONTINUITY REFERENCE CHART
Display unit Ground Continuity Connector Terminals M386 27 Not existed 28 Is the inspection result normal?
YES: Go to 2.
NO: Repair harness or connector.
- CHECK RGB DIGITAL IMAGE SIGNAL
- Connect AV control unit connector.
- Turn ignition switch ON.
- Check signal between display unit harness connector and ground.TERMINALS SIGNAL REFERENCE CHART
(+) (-) Condition Voltage (Approx.) Display unit Connector Terminals M386 27 Ground - 3.0 V 28 Is the inspection result normal?
YES: Replace display unit. Refer to "EXPLODED VIEW ".
NO: Replace AV control unit. Refer to "EXPLODED VIEW ".