Toyota Corolla (E120): Problem symptoms table

The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot the problem when a normal code is displayed in the diagnostic trouble code chart but the problem is still occurring. Numbers in the table indicate the order in which the circuits or parts should be checked.

Hint: when the problem is not detected by the diagnostic system even though the problem symptom is present, it may be that the problem is occurring outside the detection range of the diagnostic system.

Circuit inspection

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    Circuit description
    This circuit turns on the magnetic clutch inside the actuator during cruise control operation according to the signal from the ecu. If a malfunction occurs in the actuator or speed sensor, etc. During cruise control operation, the rotor shaft between the motor and control plate is released. ...

    Wireless remote control (if equipped)
    The keys are equipped with the following wireless remote control: Vehicles without a smart key system Locks the doors Unlocks the doors Opens the windows*1 and moon roof*1, 2 Opens the trunk Sounds the alarm Vehicles with a smart key system Locks the doors Unlocks the doors Opens the ...

    Sound setting
    1 Display the “Phone/Message Settings” screen. 2 Select “Sound Settings” on the “Phone/Message Settings” screen. 1 Set the desired ringtone. 2 Adjust the ringtone volume. 3 Adjust the message readout volume. 4 Set the desired incoming SMS/MMS tone. 5 Adjust the incoming SMS/ MMS t ...