How to End a Troubleshooting Session
How To Reset The ECMYou can reset the ECM in either of two ways:
NOTE: after resetting the ECM, do the ECM idle learn procedure.
Reset the ECM with the OBD II scan tool or Honda PGM Tester
1. Turn the ignition switch ON (II). Do not start the engine.
2. Use the OBD II scan tool or Honda PGM Tester to clear the DTC.
NOTE: For the specific operations, refer to the use's manual that came with the scan tool or Honda PGM Tester.
Reset the ECM by removing the fuse
1. Turn the ignition switch OFF.
2. Remove the No.25 BACK UP (7.5 A) fuse (A) from the under-dash fuse/relay box (B) for 60 seconds.
How to End a Troubleshooting Session (required after any troubleshooting)
1. Reset the ECM as described above.
2. Turn the ignition switch OFF.
3. Disconnect the OBD II scan tool or Honda PGM Tester from the data link connector (DLC).
NOTE:
- The ECM is part of the immobilizer system. If you replace the ECM, it will have a different immobilizer code. In order for the engine to start, you must rewrite the immobilizer code with the Honda PGM Tester.
- Do the idle learn procedure.