How to Substitute the PCM
- Jump the SCS line with the HDS.
- Remove the PCM from the vehicle.
- Install a known-good PCM.
- Turn the ignition switch ON (II).NOTE: DTC P0630 "VIN Not Programmed or Mismatch" will be stored because VIN has not been programmed into the PCM, but 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.
- After completing your tests, install the original PCM, and rewrite the immobilizer code with the PCM replacement procedure in the HDS.
- If you substitute a new PCM select the INSPECTION MENU with the HDS, with the original PCM installed.
- Do the TP LEARNING CHECK in the ETCS TEST.
- Replace the PCM, and rewrite the immobilizer code with the PCM replacement procedure in the HDS.