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
Engine Control Module
ECM Terminal Voltage Charts (Reference) ECM Pin Terminal Layout:
Pin Terminals 1A Through 1N:
Pin Terminals 1O Through 3A:
Pin Terminals 3B Through 3P:
Pin Terminals 4A Through 4T:
Pin Terminals 4U Through 4Z:
Remarks:B+ Battery positive voltage
* When all following conditions are satisfied
-
Fan switch ON at 2nd or higher
-
rear window defroster switch ON
-
headlights ON
