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)
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USA
ECM And Diagnostic LED Locations:
PURPOSE It controls all of the Electronic Concentrated Engine Control System
(ECCS) functions.
OPERATION The
ECCS Control Module (ECM) consists of a diagnostic mode selector, inspection lamp, microcomputer and connectors for inputs, outputs and power supply.
It takes input signals from the system sensors and controls system components according to a set of internally pre-mapped values.