Accord L4-2.4L (2005)
Engine Control Module: Programming and Relearning
How to Remove the ECM/PCM for Testing
If DTC troubleshooting requires voltage or resistance checks at the ECM/PCM connectors, remove the ECM/PCM and test it:
1. Jump the SCS line with the HDS.
2. Remove the center lower covers (A).
3. Remove the duct (B).
4. Disconnect the ECM/PCM connectors (C).
5. Remove the bolts (D), then remove the ECM/PCM (E).
6. Install the ECM/PCM in the reverse order of removal.
7. Exit the SCS mode with the HDS.
8. Turn the ignition switch ON (II).
NOTE: If DTC P0630 "VIN Not Programmed or Mismatch" is stored at this time, ignore it and continue this procedure.
9. Input the VIN to the ECM/PCM with the HDS.
10. Rewrite the immobilizer code with the ECM/PCM replacement procedure in the HDS; it allows you to start the engine.
11. Reset the ECM/PCM with the HDS.
12. Do the idle learn procedure.