THROTTLE POSITION (TP) SENSOR CONSTRUCTION/OPERATION [MZR 1.6]


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•  Built into the throttle body.
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•  The Hall element design has been adopted for the sensor.
•  The TP sensor is composed of the main sensor and sub sensor, and detects the throttle valve opening angle with these two sensors (main and sub).
•  Even if a malfunction occurs in either one of the sensors, the detection is performed with a normal sensor and drive-by-wire control is maintained.
•  If both the MAIN and SUB sensors for the TP sensor malfunction, signals necessary for the drive-by-wire control are not input to the PCM and the drive-by-wire control is disabled.
•  However, even though the drive-by-wire control is disabled, the throttle valve opening angle necessary for minimum driving is maintained mechanically.

TP sensor characteristic

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