Circuit Description

WARNING: This page is about a different car, the 2002 Isuzu Rodeo Sport, 2002 Isuzu Rodeo, 2002 Isuzu Axiom, and 2002 Honda Passport. However, it is still accessible from the selected car via links, so may be relevant.

Throttle Position Sensor 2 (TPS2) circuit provides a voltage signal relative to throttle valve position. Throttle valve angle will vary from about 8 percent at closed throttle to about 92 percent at wide open throttle at specified voltage of about 5 volts. DTC is stored when PCM detects a continuous short to ground or high resistance in either circuit or TPS2 sensor.

When DTC sets, PCM illuminates MIL on second trip after fault was detected. When DTC sets, PCM will store conditions present when DTC was set as freeze frame data in FAILURE RECORDS data.

PCM will turn MIL off on third consecutive trip cycle during which diagnostic runs and fault is no longer recognized. A history DTC will clear after 40 consecutive trip cycles during which diagnostic runs and fault is no longer recognized. DTC can be cleared with scan tool, or by disconnecting battery voltage feed to PCM.