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

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    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, the ...

    Displaying the device status
    Select “Bluetooth* info” using . ● Displaying the device name Select “Device Name” using . ● Displaying the device address Select “Device Address” using . *: Bluetooth is a registered trademark of Bluetooth SIG, Inc. ...

    Follow the correction procedures. (vehicles with a smart key system and with a drive monitor display)
    After taking the specified steps to correct the suspected problem, check that the warning light turns off. ■SRS warning light This warning light system monitors the airbag sensor assembly, front impact sensors, side impact sensors (front door), side impact sensors (front), side impac ...