Toyota Corolla (E120): 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 switch to off.

Right/Left front speed sensor circuit

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    Adjusting the set speed
    To change the set speed, operate the lever until the desired set speed is obtained. 1 Increases the speed 2 Decreases the speed Fine adjustment: Momentarily move the lever in the desired direction. Large adjustment: Hold the lever in the desired direction. The set speed will be increased or dec ...

    Seat belt warning lamp for driver’s seat does not operate
    Wiring diagram Inspection procedure 1 Check combination meter assy Ground terminal c9–12 on the combination meter side. check that the warning lightlights up. Ok: warning light lights up. 2 Inspect front seat inner belt assy lh Disconnect the front seat inner belt ...

    Speaking on the phone
    The following screen is displayed when speaking on the phone. To adjust the call volume Select “-” or “+”. You can also adjust the volume using the steering switches or the volume knob. To prevent the other party from hearing your voice Select “Mute”. Inputting tones When using ...