LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2002 >> Windstar Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 193 (Cruise Control System) >> Diagnosis And Testing >> Speed Control >> Symptom Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Symptom Chart

WARNING: This page is about a different car, the 2003 Ford Windstar. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
No communication with the speed control servo
  • Central junction box fuse (CJB) 10 (15A).
  • Circuitry.
  • Speed control servo.
 Go To PINPOINT TEST A .
The speed control is inoperative - unable to enter self-test
  • CJB fuse 10 (15A).
  • Circuitry.
  • Speed control servo.
 Go To PINPOINT TEST B .
The speed control is inoperative - no DTCs
  • Circuitry.
  • Speed control switch.
  • Speed control servo.
 Go To PINPOINT TEST G .
The set speed fluctuates
  • Anti-lock brake control module.
  • Speed control cable.
  • Throttle lever.
  • Speed control servo.
 Go To PINPOINT TEST H .
The coast switch is inoperative
  • Speed control switch.
  • Speed control servo.
 Go To PINPOINT TEST J .
The SET/ACCEL switch is inoperative
  • Speed control switch.
  • Speed control servo.
 Go To PINPOINT TEST K .
The RESUME switch is inoperative
  • Speed control switch.
  • Speed control servo.
 Go To PINPOINT TEST L .
The OFF switch is inoperative
  • Speed control switch.
  • Speed control servo.
 Go To PINPOINT TEST M .
The speed control indicator lamp is always on
  • Speed control servo.
  • Instrument cluster.
 Go To PINPOINT TEST O .
The speed control indicator lamp is inoperative
  • Speed control servo.
  • Instrument cluster.
  • Circuitry.
 REFER to INSTRUMENT CLUSTER .
scientia non olet · About LEMON Manuals