Pinout Values and Diagnostic Parameters

TERMINALS OF ECM

CHECK ECM

Terminals Of Control Module/Pinouts (Part 1):

Terminals Of Control Module/Pinouts (Part 2):

a. Measure the voltage and resistance of the wire harness side connectors. If the result is not as specified, the ECM may have a malfunction.

Oscilloscope Waveforms:

b. Inspect using an oscilloscope.

HINT: The wavelength becomes shorter as vehicle speed increases.