U1244

U1244 GPS ANTENNA





Description
Refer to System Description.




DTC Logic

DTC DETECTION LOGIC









Diagnosis Procedure
Regarding Wiring Diagram information, refer to With Navigation System or With Navigation System.
1.GPS ANTENNA CHECK
Inspect GPS antenna and antenna feeder for damage or poor connection.
Is the GPS antenna and feeder clean and undamaged?
YES - GO TO 2
NO - Repair or replace malfunctioning parts.
2.CHECK AV CONTROL UNIT VOLTAGE
1. Turn ignition switch ON.





2. Check voltage between AV control unit connector M90 (sedan) or M140 (coupe) terminal 105 and ground.

73 - Ground : Approx. 5V

Is the voltage reading as specified?
YES - Replace GPS antenna. Refer to Service and Repair.
NO - Replace AV control unit. Refer to AV Control Unit.