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Home >> Lincoln >> 2004 >> LS V8-3.9L VIN A >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Pinpoint Tests >> Module Controlled Functions >> Driver Seat Module (DSM) >> Test V
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Test V

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


Test V1-V2:






Normal Operation
The power driver seat is controlled by the DSM. Power 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
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