THROTTLE VALVE OPENING CONTROL





System Configuration Diagram


THROTTLE VALVE OPERATION


When engine is running
    The throttle valve control servo is normally off, so that the throttle valve is open.
When engine is stooped
    When the ignition switch changes from on to off, the throttle valve control servo turns on for 3 second to close the throttle valve. After this, the throttle valve control servo turns off and the throttle valve opens.
When a problem develops
    The throttle valve closes if diagnosis code No. P0088, P0089, P0191, P0192, P0193, P0219, P0605,P0606, P0607, P0628, P0629, P1273, P1274, or P1275 is generated.