Engine Control Module: Service and Repair

PCM Replacement




1. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.
2. Make sure the HDS communicates with the PCM. If it doesn't, skip steps 3 to 5 and clean the throttle body after this procedure.
3. Turn the ignition switch ON (II).
4. Select the INSPECTION MENU with the HDS.
5. Do the TP POSITION CHECK in the ETCS TEST.
6. Turn the ignition switch OFF.
7. Jump the SCS line with the HDS.




8. Remove the cover (A).
9. Disconnect the PCM connectors (B).
10. Remove the bolts (C), then remove the PCM (D).
11. Install a known-good PCM in the reverse order of removal.
12. Open the SCS with the HDS.
13. Turn the ignition switch ON (II).

NOTE:
For 2005-2006 models: DTC P0630 "VIN Not Programmed or Mismatch" may be stored because the VIN has not been programmed into the PCM; ignore it, and continue this procedure.

14. Input the VIN to the PCM with the HDS.
15. Rewrite the immobilizer code with the PCM replacement procedure in the HDS; it allows you to start the engine.
16. Reset the PCM with the HDS.
17. Do the PCM idle learn procedure.
18. Do the CKP pattern learn procedure.