Test B: No Communication With The Driver Seat Module (DSM)

PINPOINT TEST B: NO COMMUNICATION WITH THE DRIVER SEAT MODULE (DSM)

B1-B3:

B3-B4:

Normal Operation
The DSM receives voltage on circuits 566 (DG) and 1003 (GY/YE) and ground on circuits 1205 (BK) and 1203 (BK/LB).

Possible Causes
- circuit 1205 (BK) open
- circuit 566 (DG) open or short to ground
- circuit 1203 (BK/LB) open
- circuit 1003 (GY/YE) open or short to ground
- DSM