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
Ignition Timing Control
PURPOSEThe
Engine Control Module contains memories for basic
ignition timing at various engine speeds and manifold pressures. Ignition timing is also adjusted for engine coolant temperature, and retarded during shifts on automatic transmission vehicles.