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
If it fails:
lemon-manuals.org.ua
Or, hide this message:
temporarily or
permanently
X2 - Check Battery Ground
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Key "ON", engine "OFF".
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Measure voltage between SIG RTN circuit in the Data Link Connector and battery negative post.
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Is voltage greater than 0.5 volt? Yes -- Go to X3.
X3 - Ground Fault Isolation No -- Go to X6.
X6 - Measure Voltage and Ground to CCRM