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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 507 (Rear View Mirror -- F250-F550 Super Duty) >> Diagnosis And Testing >> Rear View Mirrors >> Symptom Chart

Symptom Chart

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SYMPTOM CHART

Condition Possible Sources Action
  • The mirrors are inoperative
  • Fuse.
  • Circuitry.
  • Exterior mirror control switch.
  • Exterior mirror.
  • The mirrors are inoperative - turn indicators
  • Fuse.
  • Circuitry.
  • Exterior mirrors.
  • A single mirror is inoperative
  • Circuitry.
  • Exterior mirror.
  • Exterior mirror control switch.
  • 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 C  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.
  • The heated mirror does not defrost
  • Fuse.
  • Circuitry.
  • Exterior mirror.
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