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)

Or, hide this message: temporarily or permanently

Using SST (ECM Adapter Harness)

1. Turn the ignition switch to LOCK.
2. Access PCM.
3. Disconnect the PCM connector.




4. Connect the SST (ESM adapter harness) between the PCM and the vehicle harness connectors.






NOTE: In order to measure the voltage, insert the positive voltmeter probe into the female terminal of the SST (ESM adapter harness) connectors.

5. Inspect the PCM terminal voltage according to following table.




Part 1 Of 6:




Part 2 Of 6:




Part 3 Of 6:




Part 4 Of 6:




Part 5 Of 6:




Part 6 Of 6:




*: The voltages above will be measured when the battery voltage is 12 - 14 V

PCM Terminal voltage table (Reference)