How to End a Troubleshooting Session

How to Reset the ECM

You can reset the ECM in either of two ways:

NOTE: after resetting the ECM, do the ECM idle learn procedure.

Reset the ECM with an OBD II scan tool or the HDS

1. Turn the ignition switch ON (II). Do not start the engine.
2. Use a scan tool or the HDS to clear the DTC.

NOTE: For specific operations, refer to the user's manu, that came with the scan tool or the HDS.

Reset the ECM by removing the fuse

1. Turn the ignition switch OFF.




2. Remove the No. 18 (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 a scan tool or the HDS from the 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 HDS.
- Do the ECM idle learn procedure.