CRUISE CONTROL SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Cruise Control System
Symptom	Suspected Area	See page
The cruise control main switch cannot be turned on.	Cruise control switch circuit	Click here
	CRUISE main indicator light circuit	Click here
	Power management control ECU	Click here
Vehicle speed setting cannot be performed (the cruise main indicator light on the combination meter illuminates when the main switch is turned on, but turns off when SET function is operating).	Cruise control switch circuit	Click here
	Power management control ECU	Click here
Vehicle speed setting cannot be performed (the cruise main indicator light on the combination meter illuminates when the main switch is turned on, and remains illuminated when SET function is operating).	Stop light switch circuit	Click here
	Vehicle speed sensor circuit	Click here
	Cruise control switch circuit	Click here
	Hybrid control system	Click here
	Power management control ECU	Click here
The cruise control is canceled while it is operating.	Stop light switch circuit	Click here
	Hybrid control system	Click here
	Electronically controlled brake system	Click here
	Cruise control switch circuit	Click here
	Vehicle speed sensor circuit	Click here
	Power management control ECU	Click here
Pulling back on the control main switch does not cancel the cruise control. (The cruise main indicator light remains on.)	Cruise control switch circuit	Click here
	Power management control ECU	Click here
Pulling back on the control main switch does not cancel the cruise control. (The cruise main indicator light goes off.)	Power management control ECU	Click here
The cruise control is not canceled when vehicle speed drops below the low speed limit. (The cruise main indicator light remains on.)	Vehicle speed sensor circuit	Click here
	Power management control ECU	Click here
The cruise control is not canceled when vehicle speed drops below the low speed limit. (The cruise main indicator light goes off.)	Power management control ECU	Click here
Depressing the brake pedal does not cancel the cruise control. (The cruise main indicator light remains on.)	Stop light switch circuit	Click here
	Power management control ECU	Click here
Depressing the brake pedal does not cancel the cruise control. (The cruise indicator main light goes off.)	Power management control ECU	Click here
Moving the shift lever does not cancel the cruise control. (The cruise main indicator light remains on.)	Hybrid control system	Click here
	Power management control ECU	Click here
Moving the shift lever does not cancel the cruise control. (The cruise indicator main light goes off.)	Power management control ECU	Click here
Hunting (Speed is not constant.)	Vehicle speed sensor circuit	Click here
	SFI system (w/ EGR system)	Click here
	SFI system (w/o EGR system)	Click here
	Power management control ECU	Click here
The cruise main indicator light remains blinking.	TC and CG terminal circuit	Click here
The cruise main indicator light remains blinking.	Power management control ECU	Click here
The "SET" indicator does not comes on (SET function operate normally)	Cruise SET indicator light circuit	Click here
	Power management control ECU	Click here