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
Shift Change Signal
SHIFT CHANGE SIGNALDescriptionECM receives current gear position signal, next gear position signal, shift change signal, shift pattern signal through CAN communication line from
TCM (Transmission control module). ECM uses these four signals for engine control.