Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the powertrain control module (PCM)	Circuitry PCM	REFER to MODULE COMMUNICATIONS NETWORK .
The speed control is inoperative	Clockspring Circuitry Powertrain control module (PCM) Speed control switch	GO to PINPOINT TEST A .
The speed control switch is inoperative	Powertrain control module (PCM) Speed control switch	GO to PINPOINT TEST A .
The speed control indicator lamp is always on	Circuitry Instrument cluster Powertrain control module (PCM)	REFER to INSTRUMENT CLUSTER to continue diagnosis of the speed control indicator.