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 DISK EJECT SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect multifunction switch connector and AV control unit connector.
- Check continuity between multifunction switch harness connector and AV control unit harness connector.CONTINUITY REFERENCE CHART
Multifunction switch AV control unit Continuity Connector Terminal Connector Terminal M72 14 M204 96 Existed - Check continuity between multifunction switch harness connector and ground.CONTINUITY REFERENCE CHART
Multifunction switch Ground Continuity Connector Terminal M72 14 Not existed Is the inspection result normal?
YES: Go to 2.
NO: Repair harness or connector.
- CHECK AV CONTROL UNIT VOLTAGE
- Connect multifunction switch connector and AV control unit connector.
- Turn ignition switch ON.
- Check voltage between AV control unit harness connector and ground.VOLTAGE REFERENCE CHART
(+) (-) Condition Voltage (Approx.) AV control unit Connector Terminal M204 96 Ground Pressing the eject switch 0 V Except for above 3.3 V Is the inspection result normal?
YES: Replace preset switch. Refer to "EXPLODED VIEW ".
NO: Replace AV control unit. Refer to "EXPLODED VIEW ".