Engine Control Module: Testing and Inspection

PREPARATION
1. Engine Control Module (ECM) is located behind the center console. For this inspection remove the front passenger center console panel.




2. Remove ECM harness protector.




3. Perform all voltage measurements with the connectors connected. Extend tester probe as shown to perform tests easily.




ECM HARNESS CONNECTOR TERMINAL LAYOUT




ECM Terminals 1-13




ECM Terminals 14-24




ECM Terminals 25-48




ECM Terminals 49-63




ECM Terminals 64-118

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