Operation CHARM: Car repair manuals for everyone.
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

System Outline

System Outline

CAN has two lines as a pair which make communication with operating voltage. Can has excellent data speed and error detecting capacity. It consists of vehicle control systems such as gateway ECU, data link connector 3, distance control ECU, engine control module, skid control ECU with actuator, steering sensor and yaw rates sensor. Gateway ECU has communication circuit to correspond with different types of communication data. Different types of communication data can be shared among communication parts after it goes through gateway ECU.