How to Reset the ECM
You can reset the ECM in either of 2 ways:
How to End a Troubleshooting Session (required after any troubleshooting)
- Reset the ECM as described above.
- Turn the ignition switch OFF.
- Disconnect the scan tool or Honda PGM Tester from the DLC.
NOTE: The ECM is part of the immobiliser system. If you replace the ECM, it will have a different immobiliser code. In order for the engine to start, you must rewrite the immobiliser code with the Honda PGM Tester.
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How to Remove the ECM for Testing
If the inspection for a trouble code requires voltage or resistance checks at the ECM connectors, remove the ECM and test it:
- Remove the passenger's dashboard lower cover, refer to the 2001 Civic Shop Manual (see page 20-78), the passenger's kick panel, refer to the 2001 Civic Shop Manual (see page 20-64), and the glove box, refer to the 2001 Civic Shop Manual (see page 20-79).
- Remove the ECM mounting bolt (A) and the bracket.
- Remove the ECM.
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