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/PCM
ECM With PROM And Cal-Pak:
Passkey System Diagram - Typical:
In PASSkey(R) equipped vehicles, the ECM will not pulse the fuel injectors unless it receives a fuel enable, pulse width modulated signal from the
decoder module.
