Pinout Values and Diagnostic Parameters
ECMECM <M/T> Or PCM <A/T> Terminal Voltage Reference Chart Part 1:
ECM <M/T> Or PCM <A/T> Terminal Voltage Reference Chart Part 2:
1. Disconnect the ECM
2. Measure the voltages between the check connector terminals of special too MB991923 and ground terminals 63 or 76.