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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Vacuum Advance Control Solenoid: Description and Operation
Ignition Timing ControlThe
PCM contains the memory for basic
ignition timing at various engine speeds and manifold air flow rates. It also adjusts the timing according to engine coolant temperature. The PCM detects misfiring by using the CKP sensor to monitor fluctuations in crankshaft speed. It will then set DTCs depending on how much misfiring occurs.