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

Engine Control Module: Description and Operation

The engine management system utilizes a 150 pin three connector design powertrain control module which provides precise control of basic engine calibration parameters. The powertrain control module controls the coil on plug ignition system, electronic returnless fuel system, digital transmission range control, cruise control and the electronic throttle control system.