Toyota Corolla (E120): Components

Overhaul

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    Circuit description
    The throttle position sensor is mounted in the throttle body and detects the throttle valve opening angle. When the throttle valve is fully closed, a voltage of approximately 0.3 To 1.0 V is applied to terminal vta of the ecm. The voltage applied to terminal vta of the ecm increases in pro ...

    Circuit description
    The shift solenoid valve sl is turned ”on” and ”off” by signals from the ecm in order to control the hydraulic pressure operation, the lock–up relay valve, which then the controls operation of the lock–up clutch. Fail safe function: if the ecm detects a malfunction, it turns the ...

    Inspection procedure
    1 Check door lock When the door does not operate manually, proceed to ”a”.  when the door does not operate via the key, proceed to ”b”. 2 Inspect door lock control switch W/ power window: remove the power window regulator master switch assy.  Inspect th ...