Tests AJ

PINPOINT TEST AJ: THE MESSAGE CENTER SWITCH DOES NOT OPERATE CORRECTLY

Test AJ1:

Test AJ2-AJ4:

Test AJ5:

Normal Operation
The message center switch assembly uses circuits 9-GG25 (BN/WH) and 7-GG25 (YE/VT) to communicate the requested switch function to the message center.

Possible Causes
- circuit 9-GG25 (BN/WH) open or shorted
- circuit 7-GG25 (YE/VT) open or shorted
- message center switch assembly
- instrument cluster