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

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

B1-B2:

B3-B6:

B6-B7:

Normal Operation
The audio unit is powered up when the ignition switch is in the ON or ACC position. The audio unit provides audio signals to the speakers, subwoofer amplifier, and center imaging or audio amplifier (if equipped), producing sound.

Possible Causes
- central junction box (CJB) fuse(s):
- 2 (5A)
- 18 (20A)
- 27 (10A) (CDX6, DM100i)
- circuit 10-MD15 (GY/OG) open or short to ground (Navigation)
- circuit 29-MD15 (OG/BK) open or short to ground
- circuit 31-MD15 (BK/GN) open (DM100i)
- circuit 31-MD15A (BK/GN) open (CDX6 and Navigation)
- circuit 31-MD15B (BK/GN) open (Navigation)
- circuit 50-MD15 (GY/OG) short to voltage
- circuit 75-MD15 (YE/GN) open or short to ground (CDX6 and DM100i)
- audio unit