Diagnosis Procedure
WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. 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.
Multifunction switch AV control unit Continuity Connector Terminal Connector Terminal M72 14 M209 29 Existed - Check continuity between multifunction switch harness connector and ground.
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.
(+) (-) Condition Voltage (Approx.) AV control unit Connector Terminal M209 29 Ground Pressing the eject switch 0 V Except for above 5.0 V Is the inspection result normal?
YES: Replace preset switch. Refer to "REMOVAL AND INSTALLATION ".
NO: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".