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Home >> Isuzu >> 1999 >> Rodeo LS, 2.2 D >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Tests (2.2L) >> Diagnostic Trouble Code Identification >> DTC P0122: TP Sensor Circuit Low Input >> Circuit Description

Circuit Description

Throttle Position (TP) sensor measures amount of throttle plate opening. PCM uses TP sensor information for fuel delivery calculations. TP sensor reading during Wide Open Throttle (WOT) is about 4.75 volts and 0.25 volt at closed throttle.

Conditions required to set DTC are:

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