U1244

U1244 GPS ANTENNA





Description









DTC Logic

DTC DETECTION LOGIC









Diagnosis Procedure
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 M145 terminal 105 and ground.





Is the voltage reading as specified?
YES - Replace GPS antenna. Refer to Service and Repair.
NO - Replace AV control unit. Refer to Bose W/ Color Display W/ NAVI.