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AV-104 < DTC/CIRCUIT DIAGNOSIS > [MONOCHROME DISPLAY - W/ BOSE] POWER SUPPLY AND GROUND CIRCUIT 2. CHECK POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect BOSE speaker amp connector. 3. Check voltage between BOSE speaker amp harness connector and ground. Is battery voltage present? YES >> GO TO 3. NO >> Check harness between BOSE speaker amp and fuse. 3. CHECK GROUND CIRCUIT Check continuity between BOSE speaker amp harness connector and ground. Does continuity exist? YES >> Inspection End. NO >> Repair harness or connector. BLUETOOTH® CONTROL UNIT INFOID:0000000009471227 Regarding Wiring Diagram information, refer to AV-138, "Wiring Diagram - With BOSE Audio System" . 1. CHECK FUSE Check that the following fuses of the Bluetooth ® control unit are not blown. Are the fuses OK? YES >> GO TO 2. NO >> Be sure to eliminate cause of malfunction before installing new fuse. 2. CHECK POWER SUPPLY CIRCUIT (+) (-) Voltage (approx.) Connector Terminal B110 10 Ground Battery voltage 11 AWNIA1689ZZ (+) (-) Continuity Connector Terminal B110 7 Ground Yes 12 AWNIA1690ZZ Power source Fuse No. Battery 24 Ignition switch ACC or ON 17 Ignition switch ON or START 3 |