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 BETWEEN AV CONTROL UNIT AND ANTENNA AMP.
- Turn ignition switch OFF.
- Disconnect antenna amp. connector and AV control unit connector.
- Check continuity between AV control unit harness connector and antenna amp. harness connector.
AV control unit Antenna amp. Continuity Connector Terminals Connector Terminals M394 150 M404 1 Existed - Check continuity between AV control unit harness connector and ground.
AV control unit Ground Continuity Connector Terminals M394 150 Not existed Is the inspection result normal?
YES: GO TO 2.
NO: Repair harness or connector.
- CHECK VOLTAGE AV CONTROL UNIT
- Connect AV control unit connector.
- Turn ignition switch ON.
- Check voltage between AV control unit harness connector and ground.
AV control unit (-) Voltage (Approx.) Connector Terminals M394 150 Ground 12.0 V Is the inspection result normal?
YES: Replace antenna amp. Refer to "REMOVAL AND INSTALLATION ".
NO: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".