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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    Luggage door hinge torsion bar rh
    Replacement Hint: installation is in the reverse order of the removal. But the installation is indicated only when it has a point. In the lh side, work in the same procedure as in the rh side. Since the removal of the torsion bar will cause no tension, operation of opening and closi ...

    Using the AUX port
    This port can be used to connect a portable audio device and listen to it through the vehicle’s speakers. Press until “AUX” is displayed. Connecting a portable player ■Operating portable audio devices connected to the audio system The volume can be adjusted using the vehicle's ...

    Problem symptoms table
    If a normal code is displayed during the dtc check but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page. Notice: when replacing skid control ecu, sensor or etc., Turn the ignition swi ...