Pinout Values and Diagnostic Parameters
ECM Terminals and Reference ValuePREPARATION
1. ECM is located behind the instrument lower cover. For this inspection:
- Remove instrument lower cover.
2. Remove ECM harness protector.
3. Perform all voltage measurements with the connector connected. Extend tester probe as shown 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.
ECM Harness Connector Terminal Pinouts:
ECM Harness Connector Terminals 1 - 4:
ECM Harness Connector Terminals 5 - 19:
ECM Harness Connector Terminals 20 - 32:
ECM Harness Connector Terminals 35 - 47:
ECM Harness Connector Terminals 49 - 59:
ECM Harness Connector Terminals 60 - 101:
ECM Harness Connector Terminals 102 - 123:
ECM Harness Connector Terminal 124:
ECM INSPECTION TABLE
Specification data are reference values and are measured between each terminal and ground.
CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than the ECM terminals, such as the ground.