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
Electronic Spark Advance (ESA) Control System
View: System Relational Diagram:
PURPOSE To provide optimum engine performance through the utilization of computer controlled ignition spark timing.
View: System Operation:
OPERATION The
engine control module (ECM) provides the most suitable
ignition timing according to data sent from various sensors and switches.
