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Symptom Chart

WARNING: This page is about a different car, the 2002 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Self-test diagnostics must be carried out before proceeding to the Symptom Chart.
SPEED CONTROL SYMPTOM

Condition Possible Sources Action
  • The Speed Control Is Inoperative - No Flash Codes
  • Speed Control Cable Not Attached To The Throttle.
  • Central Junction Box (CJB) Fuse 10 (7.5A).
  • Circuitry.
  • Brake Pedal Position (BPP) Switch.
  • Speed Control Cable.
  • Speed Control Switches.
  • Powertrain Control Module (PCM).
  • Speed Control Servo.
  • Speed Control Connector C122 Not Connected.
  • The Set Speed Fluctuates
  • PCM.
  • Speed Control Servo.
  • Speed Control Switch.
  • Circuitry.
  • Speed Control Cable.
  • Engine.
  • REPAIR The Engine As Necessary.
  • The Speed Control Does Not Disengage When The Brakes Are Applied
  • CJB fuse 9 (7.5A).
  • BPP Switch.
  • Circuitry.
  • Deactivator Switch.
  • Binding Speed Control Cable.
  • Speed Control Servo.
  • The Speed Control Does Not Disengage When The Clutch Is Applied
  • Clutch Pedal Position (CPP) Switch.
  • Circuitry.
  • The Speed Control Switch Is Inoperative
  • Speed Control Switch.
  • Speed Control Servo.
  • Flash With Last Switch Pressed And Dynamic Pull Occurs At The Throttle
  • -
  • Test Passed.
  • Flash With Last Switch Pressed, But No Dynamic Pull Occurs At The Throttle And The Speed Is Control Inoperative
  • Speed Control Cable.
  • Speed Control Servo.
  • Flash With Last Switch Pressed, Dynamic Pull Occurs At The Throttle And The Speed Is Control Inoperative
  • Circuitry.
  • PCM.
  • Flash Code 2 - Brake Pedal Position Switch Circuit Failure
  • Circuitry.
  • BPP Switch.
  • CPP Switch.
  • Speed Control Servo.
  • Flash Code 3 - Deactivator Switch Circuit Failure
  • CJB Fuse 13 (20A).
  • Circuitry.
  • Deactivator Switch.
  • Speed Control Servo.
  • Flash Code 4 - Speed Signal Circuit Failure
  • Circuitry.
  • Speed Control Servo.
  • PCM.
  • Flash Code 5
  • Speed Control Servo.
  • INSTALL A New Speed Control Servo. REFER To SPEED CONTROL SERVO . CARRY OUT The Self-Test Diagnostics.
  • The Speed Control Indicator Lamp Is Always On
  • Circuitry.
  • Instrument Cluster.
  • Speed Control Servo.
  • The Speed Control Indicator Is Inoperative
  • Circuitry.
  • Instrument Cluster.
  • Speed Control Servo.
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