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Home >> Ford >> 2002 >> Taurus SES, 3.0 S >> Repair and Diagnosis >> External Pages >> Different car >> Section 427 (Parking Aid System -- Excursion & F250-F550 Super Duty) >> Diagnosis And Testing >> Parking Aid >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
No communication with the parking aid module (PAM)
  • Circuitry.
  • Central junction box (CJB) Fuse 27 (15 A).
  • PAM.
 Go To PINPOINT TEST A .
Parking aid is inoperative
  • Circuitry.
  • Parking aid sensor.
  • Parking aid speaker.
  • Parking aid switch.
  • PAM.
 Go To PINPOINT TEST B .
Continuous tone (or intermittent tone) when no obstacles or fault codes are present (certain obstacles may appear "stealthy" to the system, depending on geometric shape, size and material.)
  • Dirty or iced over parking aid sensor(s).
  • Parking aid sensor.
  • Parking aid sensor bezel(s) or parking aid sensor(s) locked into the rear bumper incorrectly.
  • Parking aid sensors are not aligned correctly.
 CLEAN the rear bumper and sensors with high pressure water.
  • False detection from parking aid sensor
 Go To PINPOINT TEST C .
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