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U1244 GPS ANTENNA

DTC Logic


DTC DETECTION LOGIC








Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Without Navigation.

1. GPS ANTENNA INSPECTION

Visually inspect the GPS antenna and antenna feeder. Refer to "Removal and Installation" Without Navigation.
Is inspection result normal?
YES- GO TO 2.
NO- Repair or replace malfunctioning components.

2. CHECK AV CONTROL UNIT VOLTAGE

1.Disconnect AV control unit connector M103.
2.Turn ignition switch ON.
3.Check voltage between AV control unit terminal 62 and ground.





Is inspection result normal?
YES- Replace GPS antenna. Refer to "Removal and Installation" Without Navigation.
NO- Replace AV control unit. Refer to "Removal and Installation" Without Navigation.