With Navigation
U1244 GPS ANTENNA
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
Regarding Wiring Diagram information, refer to "Wiring Diagram" With Navigation.
1. GPS ANTENNA INSPECTION
Visually inspect the GPS antenna and antenna feeder. Refer to "Removal and Installation" With 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 M100.
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" With Navigation.
NO- Replace AV control unit. Refer to "Removal and Installation" With Navigation.