How to Substitute the PCM
How to Substitute the PCM1. Connect the HDS to the DLC.
2. Turn the ignition switch ON (II).
3. Select READ DATA in the REPLACE ECM/PCM with the HDS.
4. Turn the ignition switch OFF.
5. Jump the SCS line with the HDS.
6. Remove the PCM, and install a known-good PCM.
7. Open the SCS 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 PCM with the HDS.
10. Select WRITE DATA in the REPLACE ECM/PCM with the HDS.
11. Rewrite the immobilizer code with the PCM replacement procedure in the HDS; it allows you to start the engine.
12. Reset the PCM with the HDS.
13. Do the PCM idle learn procedure.
14. Do the CKP pattern learn procedure.
15. After completing your test, reinstall the original PCM, and rewrite the immobilizer code with the PCM replacement procedure in the HDS again.