|
|
AV-72 < COMPONENT DIAGNOSIS > [BOSE AUDIO WITHOUT NAVIGATION] POWER SUPPLY AND GROUND CIRCUIT 1. Connect Bluetooth control unit connector. 2. Turn ignition switch ON. 3. Check voltage between Bluetooth control unit harness connec- tor and ground. Is proper voltage present? YES >> Inspection End. NO >> Replace Bluetooth control unit. Refer to . 4. CHECK GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect Bluetooth control unit and microphone connectors. 3. Check continuity between microphone harness connector R7 terminal 2 and Bluetooth control unit harness connector B126 terminal 8. Is continuity present? YES >> Inspection End. NO >> Repair harness or connector. Connector No. Terminal No. Ignition switch po- sition Value (Approx.) B126 29 ON 5V ALNIA0133ZZ Signal name Continuity Microphone ground Continuity should exist. ALNIA0170ZZ |