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Home >> Ford >> 2002 >> Taurus SES, 3.0 S >> Repair and Diagnosis >> External Pages >> Different car >> Section 437 (Anti-Theft- Pats System - Excursion & F250-F550 Super Duty) >> Diagnosis And Testing >> Anti-Theft - Passive Anti-Theft System (PATS) >> 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 passive anti-theft system (PATS) module
  • Central junction box (CJB) fuse(s):
    • 34 (10 A)
    • 44 (10A)
  • Circuitry
  • PATS module
 Go To PINPOINT TEST A  .
The anti-theft indicator is always/never on - no three second anti theft indicator prove out
  • Passive anti-theft system (PATS) module
  • Circuitry
  • Central junction box (CJB) fuse 45 (10A)
  • Theft indicator
 Go To PINPOINT TEST B  .
The vehicle does not start - theft indicator proves out for three seconds as normal
  • Passive anti-theft system (PATS) module
  • Powertrain control module (PCM)
  • Circuitry
  • Encoded ignition key
  • Ignition key code
  • Ignition key transponder key code
  • Ignition key transponder key code format
 Go To PINPOINT TEST C  .
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