With PGM Tester/Scan Tool

How to Remove and Install the PCM
1. Remove the dashboard lower cover under the glove box.





2. Disconnect PCM connectors.
3. Loosen the bolt (A) on the back of the PCM (B), and remove the two bolts (C) and PCM.
4. Install the PCM in the reverse order of the removal.

PCM Reset Procedures
1. Make sure you have the anti-theft code for the radio, then write down the radio station presets.
2. Turn the ignition switch OFF.
3. Use one of these methods to reset the PCM memory.





- Use the OBD II Scan Tool or the Honda PGM Tester.





- Remove the No. 6 ECU fuse (A) in the under-hood fuse/relay box (B) for more than 10 seconds.

How to End a Troubleshooting Session
This procedure must be done after any troubleshooting.
1. Turn the ignition switch OFF.
2. Reset the PCM using one of these methods:
- Use the OBD II Scan Tool or the Honda PGM Tester (A), then disconnect the scan tool or PGM tester from the DLC.
- Disconnect the OBD II Scan Tool or the Honda PGM Tester from the DLC, then reset the PCM by removing the No. 6 ECU fuse in the under-hood relay/fuse box for more than 10 seconds.
3. Turn the ignition switch ON (II).
4. Enter the radio code, reset the preset stations, and set the clock.
5. To verify that the problem is repaired, test-drive the vehicle for several minutes at speeds over 30 mph (50 km/h) or in freeze data range.

PCM Updating and Substitution for Testing

Special Tools Required
Honda Interface Module 07

Use this procedure when you have to substitute a known-good PCM in a troubleshooting procedure. Update the PCM only if the PCM does not already have the latest software loaded.

NOTE: Do not turn the ignition switch OFF while reprogramming the PCM. If you turn the ignition switch OFF, the PCM can be damaged.

How to Update the PCM
1. Turn the ignition switch ON (II). Do not start the engine.





2. Connect the Honda Interface Module (HIM) (A) to the Data Link Connector (DLC) (B) located under the driver's side of dashboard.
3. Do the PCM update procedure as described on the HIM label and in the PCM update system. If the software in the PCM is the latest version, substitute the PCM.

How to Substitute the PCM
1. Remove the PCM from the vehicle.
2. Install a known-good PCM in the vehicle.
3. Rewrite the immobilizer code with the PCM replacement procedure on the Honda PGM Tester. It allows you to start the engine.
4. After completing your tests, reinstall the original PCM and rewrite the immobilizer code with the PCM replacement procedure on the Honda PGM Tester again.