Section 36 (Seats - Power): Self-Diagnostics: Notes

WARNING: This page is about a different car, the 1997 Lincoln Mark VIII. However, it is still accessible from the selected car via links, so may be relevant.

Before beginning any testing, retrieve any existing Diagnostic Trouble Codes (DTCs) from Driver Door Module (DDM), Driver Seat Module (DSM), Passenger Seat Module (PSM) and Steering Column/Ignition/Lighting (SCIL) control module. See ON-DEMAND SELF-TEST in MODULE COMMUNICATIONS NETWORK article. Make any repairs that may be indicated. See code related SYMPTOM TESTING . If symptoms remain, or if no DTCs exist, see SYMPTOM CHART table. Go to appropriate symptom related test. If any DTC begins with letter "U", see MODULE COMMUNICATIONS NETWORK article.

A New Generation Star (NGS) tester is required to test the power seat system. Connect NGS tester to data link connector, located beneath instrument panel. Perform data link diagnostics test. If NGS responds with NO RESPONSE/NOT EQUIPPED for driver seat module, go to TEST B under SYMPTOM TESTING . If NGS responds with NO RESPONSE/NOT EQUIPPED for driver door module, go to TEST C under SYMPTOM TESTING . If NGS responds NO RESPONSE/NOT EQUIPPED for steering column/ignition/ lighting control module, go to TEST D under SYMPTOM TESTING . If data link diagnostics test is passed for driver door module, driver seat module or steering column/ignition/lighting control module, retrieve continuous DTCs and perform appropriate DTC TEST. If self-test is passed and no DTCs are retrieved, go to SYMPTOM CHART under SYMPTOM TESTING.

DRIVER'S SEAT MODULE (DSM) DTC DEFINITIONS

DTC	Source Module	Description
B1342	DSM	ECU Defective
B1597	DSM	Driver Seat Back Auto-Glide Forward Ckt Short
B1676	DSM	Battery Voltage Out Of Range
B1703	DSM	Driver Seat Recline Forward Ckt Short To Voltage
B1707	DSM	Driver Seat Recline Rearward Ckt Short To Voltage
B1711	DSM	Driver Seat Front Up Ckt Short To Voltage
B1715	DSM	Driver Seat Front Down Ckt Short To Voltage
B1719	DSM	Driver Seat Forward Ckt Short To Voltage
B1723	DSM	Driver Seat Rearward Ckt Short To Voltage
B1727	DSM	Driver Seat Rear Up Ckt Short To Voltage
B1731	DSM	Driver Seat Rear Down Ckt Short To Voltage
B1950	DSM	Driver Seat Rear Up/Down Feedback Ckt Failure
B1954	DSM	Driver Seat Front Up/Down Feedback Ckt Failure
B1958	DSM	Driver Seat Recline Forward/Backward Feedback Ckt Failure
B1962	DSM	Driver Seat Horizontal Forward/Backward Feedback Ckt Failure
B1986	DSM	Driver Seat Auto-Glide Rearward Switch Ckt Failure

PASSENGER'S SEAT MODULE (PSM) DTC DEFINITIONS

DTC	Source Module	Description
B1248	PSM	Passenger Seat Auto-Glide Rearward Switch Open
B1342	PSM	ECU Defective
B1360	PSM	Ignition Switch RUN/ACC Circuit Open
B1565	PSM	Door Ajar Signal Short To Voltage
B1599	PSM	Passenger Seat Back Auto-Glide Forward Ckt Short
B1676	PSM	Battery Voltage Out Of Range
B1962	PSM	Passenger Seat Horizontal Forward/Backward Feedback Ckt Failure
B1972	PSM	Passenger Seat Rear Up Switch Short To Voltage
B1973	PSM	Passenger Seat Rear Down Switch Short To Voltage
B1974	PSM	Passenger Seat Recline Forward Switch Short To Voltage
B1975	PSM	Passenger Seat Recline Rearward Switch Short To Voltage
B1976	PSM	Passenger Seat Forward Switch Short To Voltage
B1977	PSM	Passenger Seat Front Up Switch Short To Voltage
B1978	PSM	Passenger Seat Front Down Switch Short To Voltage
B1979	PSM	Passenger Seat Rearward Switch Short To Voltage