Test A

PINPOINT TEST A: THE AUDIO UNIT IS INOPERATIVE

Test A1-A2:

Normal Operation
When the key is in the ON position and the audio unit is turned on. For vehicles equipped with navigation system audio unit, the communication occurs between the diagnostic tool and the audio unit. The diagnostic tool retrieves codes and data.

Possible Causes
- battery junction box (BJB) fuse(s):
- 1 (60A)
- 6 (60A)
- 29 (60A)
- central junction box (CJB) fuse(s):
- 3 (20A)
- 6 (5A)
- 28 (5A)
- 29 (10A)
- circuit 1001 (WH/YE) short to ground or open
- circuit 1002 (BK/PK) short to ground or open
- circuit 1203 (BK/LB) open
- circuit 1204 (BK/OG) open
- circuit 1205 (BK) open
- audio unit