Navigation (Single Monitor)

U1244 GPS ANTENNA





DTC Logic









Diagnosis Procedure
1.GPS ANTENNA CHECK
Visually check GPS antenna and antenna feeder.
Is inspection result normal?
YES - GO TO 2.
NO - Repair malfunctioning parts.
2.CHECK AV CONTROL UNIT VOLTAGE
1. Disconnect GPS antenna connector.
2. Turn ignition switch ON.
3. Check voltage between AV control unit terminal and ground.





Is inspection result normal?
YES - INSPECTION END
NO - Replace AV control unit.