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)
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Information Bus: Testing and Inspection
ECM Data Line1.
If all components are not accessible with a scan tool, check for an open in the ORN (461) wire between
ALDL connector, terminal M and S144.
2.
If a single component is not accessible with a scan tool, check for an open in the ORN (461) wire between S144 and the component. If the wire is OK, refer to
Electronic Control Module diagnosis and/or ABS diagnosis.