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 WINDOW ANTENNA HARNESS CONNECTOR
- Turn ignition switch OFF.
- Visually check radio antenna and antenna feeder.
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair or replace malfunctioning parts.
- CHECK WINDOW ANTENNA HARNESS CIRCUIT
- Turn ignition switch OFF.
- Disconnect AV control unit harness connector.
- Check the continuity AV control unit harness connector and ground.
(+) (-) Continuity AV control unit Connector Terminal M394 151 Ground Not existed
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace malfunctioning parts.
- CHECK ANTENNA AMP. ON SIGNAL
- Turn ignition switch ON.
- Check the voltage between AV control unit and ground.
(+) (-) Voltage
(Approx.)AV control unit Terminal 152 Ground 12.0 V
Is the inspection result normal?
YES
Replace window antenna. Refer to REMOVAL AND INSTALLATION .
NO
Replace AV control unit. Refer to REMOVAL AND INSTALLATION .