Throttle Position Sensor: Description

The throttle position sensor mounts to the side of the throttle body. See Fig 1 and Fig 2. The sensor connects to the throttle blade shaft. The TPS is a variable resistor that provides the Powertrain Control Module (PCM) with an input signal (voltage).

Fig 1: TPS/IAC 2.4L

Courtesy of DAIMLERCHRYSLER CORP.

1 - Idle Air Control Valve

2 - Throttle Position Sensor

Fig 2: TPS/IAC 3.3/3.8L

Courtesy of DAIMLERCHRYSLER CORP.

1 - Idle Air Control Valve

2 - Throttle Position Sensor