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 volts at closed throttle.

Conditions required to set DTC are:

• Engine running.
• No MAP, ECT, TP, CKP, EGR or EVAP DTCs set.
• ECT reading is greater than 14°F (-10°C).
• IAC counts are between 10 and 160 counts.
• MAP value changes by less than 2 kPa.
• Listed conditions present for 12.5 seconds over a 25-second period.