Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Maxima. 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 inspect the radio antenna and antenna feeder. Refer to Antennas, Antenna Amp. and Antenna Feeder .
Is the inspection result normal?
YES
GO TO 2 .
NO
Repair or replace malfunctioning parts.
- CHECK AV CONTROL UNIT VOLTAGE
- Turn ignition switch ON.
- Check the voltage between AV control unit connector M165 and ground.
(+)
(-)
Voltage
(Approx.)
AV control unit
Connector
Terminal
M165
68
Ground
5.0 V
Is the inspection result normal?
YES
Replace AV control unit. Refer to Removal and Installation .
NO
GO TO 3 .
- CHECK ANTENNA HARNESS CIRCUIT
- Disconnect AV control unit connector M165 and antenna amp. connector.
- Check the continuity between AV control unit connector M165 and antenna amp. connector R202.
AV control unit
Antenna amp.
Continuity
Connector
Terminal
Connector
Terminal
M165
68
R202
2
Yes
- Check the continuity AV control unit connector M165 and ground.
AV control unit
Continuity
Connector
Terminal
M165
68
Ground
No
Is the inspection result normal?
YES
Replace antenna amp.. Refer to Removal and Installation .
NO
Repair or replace harness or connectors.