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:
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lemon-manuals.org.ua
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Information Bus: Description and Operation
CCD BUS (+/-) CIRCUITS - PCM OUTPUTS The
Powertrain Control Module (PCM) sends certain output signals through the CCD bus circuits/ These signals are used to control certain instrument panel located items and to determine certain identification numbers.
Refer to Instrument Panel and Gauges for additional information.