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)
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Radiator Fan Control System
This system controls operation (ON/OFF) of the radiator fan motor. Radiator fan motor is turned ON and OFF by its relay which ECM controls.
Radiator fan motor is turned ON/OFF under above engine coolant temp.
^
Radiator Fan Motor:
-
On with coolant temperature above 98°C (208°F)
-
Off with coolant temperature above 93°C (200°F)