Pinpoint Tests
PINPOINT TEST A: NO COMMUNICATION WITH VEHICLE SECURITY MODULEA1-A2:
A2 Continued:
Normal Operation
The vehicle security module voltage is supplied by the central junction box (CJB) through circuits 517 (BK/WH) and 640 (RD/YE). The vehicle security module is grounded through circuits 1205 (BK) and 57 (BK).
Possible Causes
- fuse
- circuit 57 (BK) open
- circuit 517 (BK/WH) open or short to ground
- circuit 640 (RD/YE) open or short to ground
- circuit 1205 (BK) open