Operation CHARM: Car repair manuals for everyone.

With Surround Sound




U1244 GPS ANTENNA

DTC Logic








Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" With Surround Sound.

1. GPS ANTENNA INSPECTION

Visually inspect the GPS antenna and antenna feeder. Refer to "Removal and Installation" With Surround Sound.
Is inspection result normal?
YES- GO TO 2.
NO- Replace air malfunctioning parts.

2. CHECK AV CONTROL UNIT VOLTAGE

1.Disconnect GPS antenna connector.
2.Turn ignition switch ON.
3.Check voltage between AV control unit terminal and ground.





Is inspection result normal?
YES- Inspection End.
NO- Replace AV control unit. Refer to "Removal and Installation AV Control Unit" With Surround Sound.
Revision: March 20122013 Infiniti JX