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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Heater Control Valve: Description and Operation
The dual coolant valves regulates the flow of engine coolant to each half of the
heater core. Two electric solenoids, which are individually actuated by the DATC module, are the control elements. The valve contains five ports.
