LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2012 >> Taurus Limited, FWD >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Starting System >> Diagnosis And Testing >> Starting System >> Symptom Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Symptom Chart

NOTE: Refer to INTELLIGENT ACCESS (IA) WITH PUSH BUTTON START IGNITION MODES Description and Operation, Intelligent Access with Push Button Start to review the procedures for achieving the various ignition states (ignition OFF, ignition in ACCESSORY, ignition ON, ignition START) on vehicles with this feature.
SYMPTOM CHART

Condition Possible Sources Action
  • The engine does not crank
  • Battery
  • Fuse(s)
  • Starter motor
  • Circuitry
  • PCM
  • Starter relay
  • Anti-theft system
  • Ignition switch
  • Start diode
  • Remote Function Actuator (RFA) module
  • One-Touch Integrated Start (OTIS) does not operate correctly
  • Circuitry
  • PCM
  • Unusual starter noise
  • Starter motor mounting
  • Starter motor
  • Incorrect starter drive engagement
  • The engine cranks slowly
  • Battery
  • Starter motor
  • Circuitry
  • The starter spins but the engine does not crank
  • Starter motor
  • Damaged flexplate/ring gear teeth
  • INSPECT the flexplate/ring gear for damaged, missing or worn teeth. REPAIR as necessary.