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: Testing and Inspection
INSPECTIONIf, after Performing individual component tests, it is determined that problem(s) may exist in the
Engine Control Module (ECM), It will be necessary to substitute the ECM with a known good ECM and retest as needed.