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Home >> Saturn >> 2005 >> Ion Red Line >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - DTC P0132 - DTC P0340 >> Diagnostic Information & Procedures >> DTC P0223 >> Circuit Description
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Circuit Description

The throttle position (TP) sensor 1 and sensor 2 are located within the throttle body assembly. Each sensor has the following components:

This provides the powertrain control module (PCM) with a signal voltage proportional to throttle plate movement. TP sensor 1 signal voltage at closed throttle is near the 5-volt reference and decreases as the throttle plate is opened. TP sensor 2 signal voltage at closed throttle is near the low reference and increases as the throttle plate is opened. If the PCM detects that the TP sensor 2 signal voltage is not within the predicted range, DTC P0223 sets.

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