Initial Inspection and Diagnostic Overview

1. Verify the customer concern by operating the power seat(s).
2. Visually inspect for obvious signs of mechanical and electrical damage.

VISUAL INSPECTION CHART

Mechanical
^ Switch(es)
^ Seat tracks obstructed or damaged
^ Hose(s)
^ Pad adjuster

Electrical
^ Fuse(s)
^ Wiring harness
^ Loose or corroded connections
^ Motor(s)
^ Adjusting pump

3. If the concern remains after the inspection connect the New Generation STAR (NGS) Tester to the data link connector located beneath the instrument panel and select the vehicle to be tested from the NGS menu. If the NGS does not communicate with the vehicle:
^ check that the program card is correctly installed.
^ check the connections to the vehicle.
^ check the ignition switch position.

4. If the NGS still does not communicate with the vehicle, refer to the New Generation STAR Tester manual.
5. Perform the DATA LINK DIAGNOSTIC TEST. If the NGS responds with:
^ CKT914, CKT915 or CKT70 = ALL ECUS NO RESP/NOT EQUIP, refer to Information Bus.
^ NO RESP/NOT EQUIP for DSM, go to Pinpoint Test K. K: No Communication/Unable to Perform On-Demand Self-W/DSM
^ SYSTEM PASSED, retrieve and record the continuous Diagnostic Trouble Codes (DTCs), erase the continuous DTCs and perform self test diagnostics for the driver seat module (DSM).

6. If the DTCs retrieved are related to the concern, go to DSM DTC Index to continue diagnostics. Diagnostic Trouble Code Tests and Associated Procedures
7. If no DTCs related to the concern are retrieved, proceed to Symptom Chart to continue diagnostics. Symptom Related Diagnostic Procedures