Manuals through 2025 now available!
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Cooling Fan Control System
Radiator Fan Control Inputs And Outputs:
The
Engine Control Module (ECM) controls the radiator fan corresponding to the following conditions.
1.
Vehicle speed
2.
Engine coolant temperature
3.
Air conditioning discharge side pressure
4.
Air conditioning ON signal
The control system has a 3-step control [HIGH/LOW/OFF].
