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AV U1244 GPS ANTENNA AV-571 < DTC/CIRCUIT DIAGNOSIS > [BOSE AUDIO WITH NAVIGATION] C D E F G H I J K L M B A O P U1244 GPS ANTENNA DTC Logic INFOID:0000000009652358 Diagnosis Procedure INFOID:0000000009652359 1. GPS ANTENNA CHECK Visually check GPS antenna and antenna feeder. Is the 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 and ground. Is the inspection result normal? YES >> INSPECTION END NO >> Replace AV control unit. Refer to AV-610, "Removal and Installation" . DTC Display contents of CONSULT DTC detection condition Possible malfunction factor U1244 GPS ANTENNA CONN GPS antenna connection malfunction is detected. Check the connection of the GPS an- Probe Standard Voltage (Approx.) (+) ( − ) AV control unit Terminal Terminal 153 20 4.5 - 5.25 V 5.0 V |