CRUISE CONTROL SYSTEM PROBLEM SYMPTOMS TABLE

Tip:

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.

Table 1. Cruise Control System
Symptom	Suspected Area	Link
Cruise control switch cannot be turned on (Cruise control indicator light in combination meter assembly does not illuminate)	Cruise control switch circuit	Click here
	Cruise control indicator light circuit	Click here
	ECM (for 1UR-FE)	Click here
	ECM (for 1GR-FE)	Click here
SET not occurring or CANCEL occurring (DTC is not output)	Cruise control switch circuit	Click here
	Combination meter assembly	Click here
	ECM (for 1UR-FE)	Click here
	ECM (for 1GR-FE)	Click here
Actual vehicle speed deviates above or below set speed	Master cylinder solenoid (skid control ECU)	Click here
	ECM (for 1UR-FE)	Click here
	ECM (for 1GR-FE)	Click here
Cruise control not canceled when brake pedal is depressed	Stop light switch circuit	Click here Click here
	ECM (for 1UR-FE)	Click here
	ECM (for 1GR-FE)	Click here
Cruise control not canceled when shift lever is moved to N	Park/neutral position switch assembly (for A760F)	Click here
	Park/neutral position switch assembly (for A750F)	Click here
	ECM (for 1UR-FE)	Click here
	ECM (for 1GR-FE)	Click here
Control switch does not operate (-SET, +RES, CANCEL not possible)	Cruise control switch circuit	Click here
	ECM (for 1UR-FE)	Click here
	ECM (for 1GR-FE)	Click here
SET possible at 40 km/h (25 mph) or less, or CANCEL does not operate	Master cylinder solenoid (skid control ECU)	Click here
	ECM (for 1UR-FE)	Click here
	ECM (for 1GR-FE)	Click here
Poor response in ACCEL and RESUME modes	Cruise control switch circuit	Click here
	ECM (for 1UR-FE)	Click here
	ECM (for 1GR-FE)	Click here
DTC memory is cleared	ECM (for 1UR-FE)	Click here
DTC memory is cleared	ECM (for 1GR-FE)	Click here
DTC is not output or is output when it should not be	TC and CG terminal circuit	Click here
	ECM (for 1UR-FE)	Click here
	ECM (for 1GR-FE)	Click here
Cruise control indicator light does not illuminate	Cruise control switch circuit	Click here
	Cruise control indicator circuit	Click here
	Combination meter assembly	Click here
	ECM (for 1UR-FE)	Click here
	ECM (for 1GR-FE)	Click here
Cruise control SET indicator light does not come on (SET function operates normally)	Cruise control SET indicator light circuit	Click here
	ECM (for 1UR-FE)	Click here
	ECM (for 1GR-FE)	Click here