Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to the appropriate Wiring Diagram .
- SATELLITE ANTENNA INSPECTION
Visually inspect the satellite antenna and antenna feeder. Refer to Antenna and Antenna Feeder .
Is inspection result normal?
YES
GO TO 2 .
NO
Repair or replace malfunctioning components.
- CHECK SATELLITE ANTENNA FEEDER CONTINUITY
- Turn ignition switch OFF.
- Disconnect AV control unit connector M147 and satellite radio antenna connector R109.
- Check continuity between AV control unit connector M147 and satellite radio antenna connector R109.
AV control unit
Satellite radio antenna
Continuity
Connector
Terminal
Connector
Terminal
M147
56
R109
1
Yes
- Check continuity between AV control unit connector M147 and ground.
AV control unit
Ground
Continuity
Connector
Terminal
M147
56
-
No
Is the inspection result normal?
YES
GO TO 3 .
NO
Repair or replace harness or connectors.
- CHECK AV CONTROL UNIT VOLTAGE
- Connect AV control unit connector M147 and satellite radio antenna connector R109.
- Turn ignition switch ON.
- Check voltage between AV control unit connector M147 terminal 56 and ground.
AV control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M147
56
-
5.0 V
Is inspection result normal?
YES
Replace satellite radio antenna Removal and Installation .
NO
Replace AV control unit. Refer to Removal and Installation .