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Fan Control Parameters
Fan Control Type
Description:
The Fan Control Type parameter is used to defi ne
the type of cooling fan the ECM is to control. When
programmed to one of the “DC” options the driver
is limited to 1.0 Amps. This parameter should be
programmed to NONE if the ECM is not controlling the
cooling fan.
Available:
All electronically controlled on-highway engines
covered in this handbook
Range:
Engine Range
Cat
Default
3126E, C7, C9 PM
MAR03 and before
None,
On/Off,
Variable Speed Option S
None
C7, C9
PM MAR04 and
after
None,
On/Off PWM,
On/Off DC,
Variable Speed Option S
None
C-10, C-12, C-15,
C-16, C11, C13, C15
PM MAR03 and
before
None,
On/Off,
Three Speed Fan
None
C-10, C-12, C-15,
C-16, C11, C13, C15
PM MAR04 and
after
None,
On/Off PWM,
On/Off DC,
Three Speed Fan PWM,
Three Speed Fan DC,
Variable Speed Fan Option S
(Variable ratings)
None
EPA’07 and newer
C7, C9, C13 & C15
None,
On/Off PWM,
On/Off DC,
Three Speed Fan Option 1 PWM,
Three Speed Fan Option 2 PWM,
Three Speed Fan Option 1 DC,
Three Speed Fan Option 2 DC,
Variable Speed Fan Option S
(Sauer Sundstrand),
Variable Speed Option BW
(Borg Warner),
Variable Speed Option H
(Horton w/ fan speed feedback),
Variable Speed Option C
(Caterpillar w/ Fan Speed
Feedback)
None