Section 01-10: Seats and Tracks
1996 F-150, F-250, F-350, F-Super Duty and Bronco Workshop Manual
DIAGNOSIS AND TESTING

Inspection and Verification — Power Seat

  1. Verify customer concern by operating the power seat system.

  1. Visually inspect the components of the power seat system.



    VISUAL INSPECTION CHART
    MechanicalElectrical
    • Damaged air tubes/hoses
    • Improper air hose routing
    • Damaged lumbar support bags
    • Damaged lumbar support switch
    • Blown fuse:
      • 30A POWER SEAT
    • Loose or corroded connectors
    • Damaged wiring
    • Damaged switches
    • Damaged motors

  1. Check the wiring harness for obvious signs of shorts, opens, bad connections, or damage.

  1. If one of the power seat positions (slide, tilt, lift) does not work, check for opens/damage in the pigtail circuit wires coming off the seat back control switch that lead to the seat regulator motors.

  1. Check the lumbar support system for disconnected, kinked, or damaged air tubes/hoses. Also, look for leaking/damaged lumbar support bags.

  1. If an obvious cause for malfunction can be found, correct the cause of the malfunction (if possible) before proceeding further.

  1. If the fault is not visually evident, determine the symptom and proceed to the following Symptom Chart.