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)
Or, hide this message:
temporarily or
permanently
Control Module HVAC: Description and Operation
Coolant FC (Fan Control) Control Module J293NOTE: There are various construction styles.
This control module switches on and off the A/C clutch and therefore the A/C compressor. It switches the coolant fans and (in vehicles with High Pressure Sensor G65 or A/C Pressure/temperature Sensor G395) calculates the pressure in the refrigerant circuit.