Toyota Corolla (E120): Circuit description

The cruise control ecu assy power source supplies power to the actuator and sensors, etc., When terminal gnd and the case of the cruise control ecu assy are grounded.

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Inspection procedure
    Hint: read freeze frame data using the hand–held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, th ...

    Checking and adding the brake fluid
    ■ Checking fluid level The brake fluid level should be between the "MAX" and "MIN" lines on the tank. ■ Adding fluid 1. Slide and lift up the rubber strip to partly remove it as shown. 2. Disconnect the claws and remove the service cover. 3. Remove the reservoir cap. 4. Add brake fluid slowl ...

    Data list/active test
    1. Data list Hint: using the data list displayed by the hand–held tester or the obd ii scan tool, you can read the value of the switches, sensors, actuators and so on without parts removal. Reading the data list as a first step of troubleshooting is one method to shorten diagnostic time. ...