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
ECM
IMPORTANT: Make sure the
ECM has shut down prior to measuring the reference ground circuit resistance. This can be verified by the loss of communication on the scan tool. Do not use a test lamp to test the continuity of the reference ground circuit. Damage to the ECM will result.