Test C: The Message Center Switch Does Not Operate Correctly

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

C1-C3:

C4-C5:

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

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