Section 01-14A: Handles, Locks, Latches and Mechanisms
1996 F-150, F-250, F-350, F-Super Duty and Bronco Workshop Manual
DIAGNOSIS AND TESTING

Inspection and Verification

  1. Verify the original concern by operating the handles, locks, latches and mechanisms to duplicate the concern.

  1. NOTE: Before starting electrical diagnosis, check for mechanical binds by manually operating door lock. Then operate lock system several times from each switch, while observing the operation of all door locks. Be sure battery is fully charged.

    Inspect to determine if one of the following mechanical or electrical concerns apply:



    VISUAL INSPECTION CHART
    MechanicalElectrical
    • Binding latch mechanisms
    • Binding linkage
    • Misaligned door
    • Circuitry open/shorted
    • Damaged door lock switch
    • Damaged power door lock actuator

  1. If the concern(s) remains after the inspection, determine the symptom(s) and proceed to the following symptom chart.