ES 300 V6-3.0L (3VZ-FE) (1992)
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Throttle Position Sensor: Description and Operation
Throttle Position Sensor
PURPOSE
The throttle position sensor detects throttle angle and idle position of the throttle plate. The ECM will set a trouble code if a malfunction occurs.
LOCATION
Mounted on the throttle body.
CONSTRUCTION
The sensor contains a potentiometer and an idle switch.
OPERATION
Whenever the throttle is opened, a varied resistance signal is reported to the ECM. When the throttle is returned to the idle position, the idle switch
portion of the sensor is closed.
