Throttle Valve Position Sensor

Diesel diagnostics

Electronic Engine Control Sensors

Actuators

Ignition Systems

Complex Engine Diagnostics

CSS script documentation

Px script documentation

ElPower script documentation

Software

Overview
Video
Waveform

Position sensor is a potentiometer with one or two characteristic curves.

Engine coolant temperature sensor

Application:

Throttle position sensor
Accelerator pedal position sensor
Air flow sensor
EGR valve position sensor
Fuel level sensor
Transmission range sensor

Typical location of the throttle position sensor.

Connection of the USB Autoscope IV to the sensor signal wire.

Setting the USB Autoscope IV to the throttle position sensor testing mode

Output voltage waveform of the throttle position sensor in good condition on a Mitsubishi Lancer 1.6 2005, recorded with the ignition on and the engine off while smoothly opening and closing the throttle.

Output voltage waveform of the dual throttle position sensor in good condition on a Toyota Avensis 1.8i 2007, recorded with the ignition on and the engine off while smoothly opening and closing the throttle

Output voltage waveform of a malfunctioning throttle position sensor with a malfunction, recorded with the ignition on and the engine off while smoothly opening and closing the throttle

Output voltage waveform from a properly functioning throttle position sensor on Mitsubishi Lancer 1.6 2005. A B – throttle valve opening; C D – throttle valve closing

Output voltage waveforms from a properly functioning throttle position sensor on Toyota Avensis 1.8i 2007

Properly-functioning-tps-VW-Passa-1.8TSI-2008

Output voltage waveforms from a properly functioning throttle position sensor on VW Passat 1.8TSI 2008

Properly-functioning-TPS-VW-Passat-1.8-1991

Output voltage waveforms from a properly functioning throttle position sensor on VW Passat 1.8 1991

Output voltage waveform from a malfunctioning throttle position sensor. The resistor track is worn and the wiper loses electrical contact in certain positions

Malfunctioning-throttle-position-sensor-2

Output voltage waveform from a malfunctioning throttle position sensor. The resistor track is worn and the wiper loses electrical contact in certain positions

Diesel diagnostics

Electronic Engine Control Sensors

Actuators

Ignition Systems

Complex Engine Diagnostics

CSS script documentation

Px script documentation

ElPower script documentation

Software

Throttle Valve Position Sensor

Engine coolant temperature sensor

Typical location of the throttle position sensor.

Connection of the USB Autoscope IV to the sensor signal wire.

Setting the USB Autoscope IV to the throttle position sensor testing mode

Output voltage waveform of the throttle position sensor in good condition on a Mitsubishi Lancer 1.6 2005, recorded with the ignition on and the engine off while smoothly opening and closing the throttle.

Output voltage waveform of the dual throttle position sensor in good condition on a Toyota Avensis 1.8i 2007, recorded with the ignition on and the engine off while smoothly opening and closing the throttle

Output voltage waveform of a malfunctioning throttle position sensor with a malfunction, recorded with the ignition on and the engine off while smoothly opening and closing the throttle

Output voltage waveform from a properly functioning throttle position sensor on Mitsubishi Lancer 1.6 2005. A B – throttle valve opening; C D – throttle valve closing

Output voltage waveforms from a properly functioning throttle position sensor on Toyota Avensis 1.8i 2007

Output voltage waveforms from a properly functioning throttle position sensor on VW Passat 1.8TSI 2008

Output voltage waveforms from a properly functioning throttle position sensor on VW Passat 1.8 1991

Output voltage waveform from a malfunctioning throttle position sensor. The resistor track is worn and the wiper loses electrical contact in certain positions

Output voltage waveform from a malfunctioning throttle position sensor. The resistor track is worn and the wiper loses electrical contact in certain positions

Video

Waveform examples