Flow of Diagnosis

1. Verify the customer's concern by operating the power seat or power lumbar support system to duplicate the condition.
2. Inspect to determine if one of the mechanical or electrical concerns apply:

VISUAL INSPECTION CHART

Mechanical
^ Seat tracks obstructed.
^ Seat at limit(s) of travel.
^ Damaged front seat adjusting motor drive tube.
^ Damaged support bag hose.

Electrical
^ Open POWER SEAT Fuse (25 A).
^ Loose, corroded or damaged connectors.
^ Damaged seat control switch.
^ Damaged seat regulator control switch.
^ Damaged seat regulator motor.
^ Circuit.
^ Damaged front seat back pad adjusting pump.

3. If the inspection reveals obvious concern(s) that can be readily identified, service as required.
4. If the concern(s) remains after the inspection, determine the symptom(s) and go to the Symptom Chart. Symptom Related Diagnostic Procedures