Test D: No Communication With the Driver Seat Module (DSM)

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

D1:

D2:

Normal Operation
The power driver seat is controlled by the DSM. Voltage is supplied through central junction box (CJB) fuse 7 (5A) and battery junction box (BJB) fuse 21 (20A) on circuits 29-AH80 (OG/WH) and 30-AH80 (RD). The DSM is grounded through circuits 31-AH80 (BK) and 91-AH80 (BN/WH).

Possible Causes
- CJB fuse: 7 (5A)
- BJB fuse: 21 (20A)
- circuit 29-AH80 (OG/WH) open or shorted to ground
- circuit 30-AH80 (RD) open or shorted to ground
- circuit 31-AH80 (BK) open
- circuit 91-AH80 (BN/WH) open