How to Substitute the PCM
- Connect the HDS to the DLC.
- Turn the ignition switch OFF.
- Jump the SCS line with the HDS.
- Remove the PCM, and install a known-good PCM.
- Open the SCS with the HDS.
- 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.
- Input the VIN to the PCM with the HDS.
- Rewrite the immobilizer code with the PCM replacement procedure in the HDS; it allows you to start the engine.
- Reset the PCM with the HDS.
- Do the PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ).
- Do the CKP pattern learn procedure.
- After completing your test, reinstall the original PCM and rewrite the immobilizer code with the PCM replacement procedure in the HDS again.