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U1244




U1244 GPS ANTENNA

Description

Coupe.


DTC Logic


DTC DETECTION LOGIC








Diagnosis Procedure

Regarding Wiring Diagram information, With Navigation or Sedan.

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. Service and Repair.
NO- Replace AV control unit. Service and Repair.