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AV-262 < DTC/CIRCUIT DIAGNOSIS > [BOSE AUDIO WITHOUT NAVIGATION] CONTROL SIGNAL CIRCUIT CONTROL SIGNAL CIRCUIT Description INFOID:0000000009721780 TEL adapter unit identifies the vehicle model according to the control signal and performs the control. Diagnosis Procedure INFOID:0000000009721781 1. CHECK CONTINUITY CONTROL SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect TEL adapter unit connector. 3. Check continuity between TEL adapter unit harness connector and ground. Is the inspection result normal? YES >> Replace TEL adapter unit. Refer to AV-293, "Removal and Installation" . NO >> Repair harness or connector. TEL adapter unit Ground Continuity Connector Terminals B39 20 Existed 24 |