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: Testing and Inspection
Check Engine Speed Detecting Circuit
1)
Run the engine and operate the air conditioner.
2)
Check that the magnetic clutch disengages at the specified engine revolution.
Cut-off rpm:
450 - 550 rpm 3)
If the cut-out rpm is too high, turn the rpm knob clockwise to adjust.
4)
If the cut-out rpm is too low, turn the rpm knob counterclockwise to adjust.
