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 Control Unit (ECU)

Mounted in the passenger compartment, this component consists of a printed circuit board enclosed in a protective metal box. The ECU receives analog inputs from the various sensors and converts them to digital signals. These digital signals are processed and used by the ECU to control the fuel delivery, secondary air management, deceleration spark control and throttle opener systems.