Symptom Chart

WARNING: This page is about a different car, the 2002 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 (10A). Circuitry. Speed control servo.	GO to PINPOINT TEST A: NO COMMUNICATION WITH THE SPEED CONTROL SERVO .
The speed control is inoperative - unable to enter self-test	CJB fuse 10 (10A). Circuitry. Speed control servo.	GO to PINPOINT TEST B: THE SPEED CONTROL IS INOPERATIVE - UNABLE TO ENTER SELF-TEST .
The speed control is inoperative - no DTCs	Circuitry. Speed control switch. Speed control servo.	GO to PINPOINT TEST G: THE SPEED CONTROL IS INOPERATIVE - NO DTCS .
The set speed fluctuates	Anti-lock brake control module. Speed control cable. Throttle lever. Speed control servo.	GO to PINPOINT TEST H: THE SET SPEED FLUCTUATES .
The coast switch is inoperative	Speed control switch. Speed control servo.	GO to PINPOINT TEST J: THE COAST SWITCH IS INOPERATIVE .
The SET/ACCEL switch is operative	Speed control switch. Speed control servo.	GO to PINPOINT TEST K: THE SET/ACCEL SWITCH IS INOPERATIVE .
The RESUME switch is inoperative	Speed control switch. Speed control servo.	GO to PINPOINT TEST L: THE RESUME SWITCH IS INOPERATIVE .
The OFF switch is inoperative	Speed control switch. Speed control servo.	GO to PINPOINT TEST M: THE OFF SWITCH IS INOPERATIVE .