Toyota Corolla (E120): Components

Replacement

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    Circuit description
    Refer to dtc p0120 Dtc no. Dtc detection condition Trouble area P0121 The following condition is met 4 times. After the vehicle speed has exceeded 19 mph (30 km/h) once, the throttle position sensor output value is out of normal range when the throttle ...

    Replacement
    1. Remove proportioning valve assy Using sst, disconnect the 5 brake tubes from the proportioning valve assy. Sst 09023–00100 Remove the 2 bolts and proportioning valve assy from the body. 2. Install proportioning valve assy Install the proportioning valve assy w ...

    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. ...