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Test C: The Audio Control Unit is Inoperative/Does Not Operate Correctly

PINPOINT TEST C: THE AUDIO CONTROL UNIT IS INOPERATIVE/DOES NOT OPERATE CORRECTLY


C1:






C2-C6:






C6-C8:






Normal Operation
The audio control unit can be powered up when the ignition is in the ON or ACC position. The audio control unit provides audio signals to the speakers, thus producing sound.

Possible Causes
- circuit 1006 (BK/PK) open or short to ground
- circuit 1111 (VT) open or short to ground
- circuit 1204 (BK/OG) open
- circuit 1772 (VT) short to voltage
- audio control unit