FixVault

Symptom Table

SYMPTOM TABLE

Condition Possible Sources Action
  • Mirror vibrates/loose
  • Mirror glass adjustment motor screw loose.
  • REMOVE mirror glass and TIGHTEN mirror glass adjustment motor screws.
  • Mirror mounting nuts loose.
  • TIGHTEN nuts to 12 N.m (9 lb-ft).
  • Aftermarket air deflector/stone shields.
  • If possible, REMOVE aftermarket air deflector/stone shield, then ROAD TEST the vehicle. If concern is no longer present, advise customer that aftermarket components were causing undesired vibration.
  • Power fold mirror was folded or unfolded manually.
  • The mirrors are inoperative
  • Circuitry.
  • Fuse.
  • Exterior mirror control switch.
  • A single mirror is inoperative
  • Circuitry.
  • Exterior mirror control switch.
  • Exterior mirror motor.
  • A single mirror does not function with switch logic
  • Exterior mirror control switch.
  • Exterior mirror motor.
  • Circuitry.
  • The memory mirror is inoperative
  • Driver seat module(DSM).
  • Circuitry.
  • Fuse.
  • Exterior mirror motor.
  • Mirror control switch.
  • The power folding mirrors do not operate - Expedition
  • Circuitry.
  • Power folding exterior mirror.
  • Driver seat module (DSM).
  • Fuse.
  • The power folding mirrors do not operate - Navigator
  • Circuitry.
  • Power folding exterior mirror.
  • Fuse.
  • The memory mirror is inoperative - does not operate from the memory set switch
  • Circuitry.
  • Driver seat module (DSM).
  • Exterior mirror motor.
  • Memory set switch.
  • The memory mirror is inoperative - the heated exterior mirrors do not defrost
  • Circuitry.
  • Exterior rear view mirror.
  • Fuse.
  • The auto dimming mirror does not operate correctly
  • Obstructed rear-facing sensor.
    • Stickers, window decals, tags.
    • Non-OEM window tinting.
  • Obstructed forward-facing sensor.
    • Stickers, window decals, tags.
    • Non-OEM window tinting.
  • If possible, remove the obstruction. If the obstruction cannot be removed, GO to PINPOINT TEST D  to test the auto dimming mirror for correct function.
  • Light source near or inside of vehicle.
  • None. Any light source the rear-facing sensor is exposed to can be considered glare.
  • Vehicle inside garage or tunnel.
  • None. Ambient light conditions are similar to nighttime.
  • Fuse.
  • Auto dimming interior mirror.
  • Circuitry.