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Home >> Mercury >> 2005 >> Mountaineer 2WD V6-4.0L VIN E >> Repair and Diagnosis >> Body and Frame >> Body Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Driver Seat Module (DSM) >> Pinpoint Tests >> Test B: No Communication With The Driver Seat Module (DSM)
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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
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