Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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How to Remove and Install the PCM For Testing

How to Remove and Install the PCM for Testing
If DTC troubleshooting requires voltage or resistance checks at the PCM connectors, remove the PCM and test it:

1. Jump the SCS line with the HDS.
2. Remove the covers (A).





3. Disconnect the PCM connectors (B).
4. Remove the bolts (C), then remove the PCM (D).
5. Install the PCM in the reverse order of removal.
6. Exit the SCS mode with the HDS.
7. 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.

8. Input the VIN to the PCM with the HDS.
9. Rewrite the immobilizer code with the PCM replacement procedure in the HDS; it allows you to start the engine.
10. Reset the PCM with the HDS.
11. Do the PCM idle learn procedure.