Engine Control Module: Testing and Inspection

PREPARATION
1. ECM is located behind the glove box. For this inspection:




- Remove glove box bucket.
- Remove lower finisher panel by reaching through the glove box and releasing the spring clips.




2. Remove ECM harness protector.
3. Perform all voltage measurements with the connector connected.




Extend tester probe as shown above to perform tests easily.
- Open harness securing clip to make testing easier.
- Use extreme care not to touch 2 pins at one time.
- Data is for comparison and may not be exact.

View: ECM Connector:

ECM HARNESS CONNECTOR TERMINAL LAYOUT

ECM Pin Terminals 1 Through 13:

ECM Pin Terminals 14 Through 25:

ECM Pin Terminals 26 Through 50:

ECM Pin Terminals 51 Through 114:

ECM Pin Terminals 103 Through 118:

ECM INSPECTION TABLES
Specification data are reference values and are measured between each terminal and (43)(ECCS ground).