Symptom Chart

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 .