Tracker 2WD L4-1.6L VIN 6 (2000)
Throttle Body: Description and Operation
Throttle Body Unit
Throttle Body
The throttle body consists of the main bore, the air bypass passage, the vacuum passage, and the following parts:
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A throttle valve (1) which is interlocked with the accelerator cable and controls the amount of intake air.
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An Intake Air Control (IAC) Valve (2) which supplies the bypass air when the engine is cold.
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A Throttle Position (TP) (3) sensor which detects the throttle valve opening and sends a signal to the PCM.
