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Home >> Mercury >> 2007 >> Milan Base, 2.3 Z, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Speed Control >> Diagnostic Tests >> Speed Control >> Symptom Chart

Symptom Chart

Symptom Chart

Condition Possible Sources Action
  • The speed control is inoperative
  • Powertrain control module (PCM) not configured for speed control
  • Stoplamp switch
  • Clutch pedal position (CPP) switch
  • Speed control switch
  • Digital transmission range (TR) sensor
  • Vehicle speed signal
  • PCM
  • The speed control does not disengage when the clutch is applied
  • Circuitry
  • Clutch pedal speed control deactivator switch (manual transaxle)
  • PCM
  • The speed control indicator lamp is always on
  • Circuitry
  • Instrument cluster
  • PCM
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