Operation CHARM: Car repair manuals for everyone.

Pinpoint Tests

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


C1:






C2:






Normal Operation
Voltage is supplied through central junction box (CJB) on circuit 1524 (DB). The DSM is grounded through circuit 676 (PK/OG).

Possible Causes
- fuse
- circuit 676 (PK/OG) open
- circuit 1524 (DB) open or short to ground
- DSM