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Home >> Mercury >> 2002 >> Villager Estate >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Vehicle Speed Control >> Diagnosis And Testing >> Speed Control >> Symptom Chart >> Symptom Chart
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Symptom Chart

NOTE: Refer to SYSTEM WIRING DIAGRAMS for schematic and connector information.
SYMPTOM CHART

Condition Possible Sources Action
  • The speed control is inoperative
  • Central junction box (CJB) fuses.
    • 37 (10A).
    • 51 (20A).
  • Circuitry.
  • Speed control module.
  • Speed control actuator servo.
  • Brake pedal position (BPP) switch.
  • Deactivator switch.
  • Speed control switch.
  • Steering wheel clockspring.
  • Horn relay.
  • Inhibit relay.
  • Vehicle speed sensor (VSS).
  • The set speed fluctuates
  • VSS.
  • Speed control module.
  • Vacuum leak.
  • Speed control cable.
  • Circuitry.
  • Engine.
  • The speed control does not disengage when brakes are applied
  • Speed control module.
  • The speed control switch is inoperative
  • Speed control switch.
  • Speed control module.
  • The speed control indicator lamp is always on - cruise indicator
  • Circuitry.
  • Instrument cluster.
  • Speed control module.
  • The speed control indicator lamp is always on - set indicator
  • Circuitry.
  • Instrument cluster.
  • Speed control module.