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THROTTLE POSITION (TP) SENSOR CONSTRUCTION/OPERATION [L8, LF, L3]

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• The sensor is built into the throttle body and detects the throttle valve opening angle.

1 | TP sensor

• The Hall element design has been adopted for the sensor.
• A non contact type sensor has been adopted to improve durability.
• 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 Voltage Characteristics

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1 | TP sensor No.1
2 | TP sensor No.2
3 | Output voltage
4 | Throttle opening angle
5 | High
6 | Large