Test B: The Audio Unit Is Inoperative/Does Not Operate Correctly

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

B1-B5:

B5-B7:

Normal Operation
Voltage is supplied to the audio unit when the ignition switch is in the ON or ACC position. The audio unit provides audio signals to the speakers, thus producing sound.

Possible Causes
- Fuse
- Circuit 797 (LG/VT) open
- Circuit 687 (GY/YE) open
- Circuit 1000 (RD/BK) short to voltage
- Circuit 1204 (BK/OG) open
- Audio unit