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

Diagnosis System

DIAGNOSIS SYSTEM




1. BUS CHECK

HINT: The ECUs that are properly connected to the CAN communication system can be displayed using the intelligent tester via CAN VIM.

a. Select "BUS CHECK" from the "OBD/MOBD MENU" screen.




b. Press "ENTER" on the intelligent tester via CAN VIM.




c. The screen displays the ECUs and sensors that are properly connected to the CAN communication system.

HINT: There is a communication stop in the system of any properly connected ECUs or sensors that are not displayed.