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Home >> Lincoln >> 2008 >> MKZ AWD >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Starting System >> Diagnostic Tests >> Starting System >> Symptom Chart

Symptom Chart

Symptom Chart

Condition Possible Sources Action
  • The engine does not crank
  • Battery
  • Battery junction box (BJB) fuse(s):
    • 2 (60A)
    • 14 (15A)
  • Smart junction box (SJB) fuse(s):
    • 10 (30A)
    • 22 (7.5A) - 3.0L and 3.5L vehicles
  • Starter motor
  • PCM
  • Circuitry
  • Starter motor relay - non-serviceable (part of SJB)
  • Ignition switch
  • Anti-theft system
  • Start diode
  • Transmission range (TR) sensor - automatic transmission
  • Clutch cutoff switch - manual transmission
  • One-touch integrated start (OTIS) does not operate correctly
  • Circuitry
  • PCM
  • The engine cranks slowly
  • Battery
  • Starter motor
  • Circuitry
  • CARRY OUT the Starter Motor Component Test.
  • Unusual starter noise
  • Starter motor mounting
  • Starter motor
  • Incorrect starter drive engagement
  • The starter spins but the engine does not crank
  • Starter motor
  • INSPECT the starter motor mounting and engagement. REPAIR as necessary.
 
  • Damaged flywheel/flexplate ring gear teeth
  • INSPECT the flywheel/flexplate ring gear for damaged, missing or worn teeth. REPAIR as necessary.