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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Anti-Theft - Pats) >> Diagnosis And Testing >> Anti-Theft - Passive Anti-Theft System (PATS) >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2002 Lincoln LS. 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 instrument cluster
  • CJB Fuse 204 (5A).
  • Circuitry.
  • Instrument cluster.
 GO to PINPOINT TEST A .
The anti-theft indicator is always/never on - no three second theft indicator prove out
  • Instrument cluster.
  • Circuitry.
  • CJB Fuse 207 (5A).
 GO to PINPOINT TEST B .
The alarm system does not operate correctly - the vehicle starts but flashes rapidly at key on
  • Incorrect PCM calibration.
 GO to PINPOINT TEST C .
The vehicle does not start - theft indicator does not prove out and flashes rapidly
  • SCP not connected/failure.
  • PCM.
  • Instrument Cluster.
 GO to PINPOINT TEST L .
The vehicle does not start - theft indicator proves out for three seconds as normal, vehicle does not crank
  • Starter circuit.
  • Steering column lock module.
 REFER to STARTERS .
CARRY OUT steering column lock module diagnostics. REFER to STEERING COLUMN SWITCHES .
The vehicle does not start - theft indicator proves out for three seconds as normal but the starter does not engage
  • Powertrain concern.
 CARRY OUT powertrain diagnostics. REFER to SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV article.
The vehicle starts and runs for longer than one second, then stalls This is not a PATS issue. PATS never disables a running engine. CARRY OUT powertrain diagnostics.REFER to SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV article.
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