Author Question: Which wire on a typical TP sensor should back-probed to check the voltage signal to the PCM? (Read 77 times)

panfilo · **on:** Aug 13, 2021

Question 1

Which sensor is generally considered to be the electronic accelerator pump of a fuel-injected engine?
◦ O2S
◦ ECT sensor
◦ Engine MAP sensor
◦ TP sensor

Question 2

Which wire on a typical TP sensor should back-probed to check the voltage signal to the PCM?
◦ 5-volt reference (Vref)
◦ Signal wire
◦ Ground wire
◦ Meter should be connected between 5-volt reference and ground