Toyota Corolla Quiz
Electrical System

Cruise Control System

In this manual: Electrical System
Owner's Manual — 7Controls and Instruments — 49Engine Starting and Vehicle Operation — 5Actions if the Engine Does Not Start — 18Maintenance — 30Gasoline Engines - Repair Procedures Without Engine Removal from Vehicle — 17Gasoline Engines - Removal and Overhaul — 21Diesel Engine — 26Engine Electrical Equipment — 13Cooling and Heating Systems — 17Fuel and Exhaust Systems — 14Emission Control System — 19Manual transmission — 6Automatic transmission — 9Clutch and Axle Shafts — 11Brake System — 20Suspension and Steering — 24Body — 29Electrical System — 24Wiring Diagrams — 24
~2min read

Расположение элементов системы круиз-контроля
Cruise Control System Component Location 1. Ignition switch
2. Cruise control switch
3. Fuse block N1
(cruise control ECU fuse)
4. Clutch pedal switch
5. Stop lamp switch
6. Cruise control ECU
7. Parking brake switch
8. Actuator
9. Vehicle speed sensor
10. Starter interlock switch
(neutral start switch)

The cruise control system (if equipped) maintains a constant vehicle speed using an electronic control unit (computer) located in the passenger compartment and an actuator located near the battery in the engine compartment. The actuator is connected to the throttle linkage by a cable or rod. In addition to the actuator, the system includes a brake switch, clutch switch, control switches, relays, or connecting wires.
Checking some functions of this system requires special equipment and special diagnostic procedures that are not available to the average vehicle owner.
The following describes general procedures for checking the cruise control system that may help locate the source of a malfunction.

Inspection

PROCEDURE
1. Check the fuse (refer to Subsection 12.1).
2. Ask an assistant to depress the brake pedal while you check their operation and the system. Activating the stop lamp switch and, if equipped, the clutch pedal switch, deactivates the cruise control system.
3. If the stop lamps do not come on or do not go off, repair the fault and recheck the cruise control system. Check the clutch pedal switch (refer to Subsection 8.2.6).
4. Inspect the vacuum hose (if equipped) connected to the servo, and check the linkage between the cruise control servo and the throttle valve, and replace if necessary.
5. Cruise control systems use a number of different devices to determine vehicle speed. On these models, the speed sensor is located in the transmission. Remove the bolt and remove the sensor (refer to Subsection 7.2.3), rotate its gear and check the sensor signals with a digital voltmeter while turning it. If the resistance does not change as the sensor rotates, the sensor is faulty.
6. Drive the vehicle to check the cruise control system. If it does not operate, consult a qualified technician for further diagnosis and repair.

Test yourself

A quick Toyota Corolla quiz: every answer comes with an explanation and a link to the manual page.