0391341 JOHNSON POWERHEAD GASKET SET

Table 1
"Fan Control Type" Is Programmed to "On/Off DC"
Output Terminal Signal When the Fan Is Off Signal When the Fan Is On
P1-21 Battery Voltage 0 VDC
P1-13 P1-13 is not used P1-13 is not used
Any of these conditions will cause the cooling fan to turn on Coolant temperature is greater than 102 °C (216 °F)
Inlet manifold temperature is greater than 87 °C (189 °F)
The A/C high pressure switch is On
The PTO on/off switch is On and the "PTO Activates Cooling Fan" parameter is programmed to "Continuous"
The manual fan override switch is On
The transmission requests the cooling fan to turn on via the J1939 data link
A stationary regeneration is in progress
There is an active diagnostic trouble code for the coolant temperature sensor
Table 2
"Fan Control Type" Is Programmed to "On/Off PWM"
Output Terminal Signal When the Fan Is Off Signal When the Fan Is On
P1-21 A PWM signal with a 90 percent duty cycle "OL"
P1-13 P1-13 is not used P1-13 is not used
Any of these conditions will cause the cooling fan to turn On Coolant temperature is greater than 102 °C (216 °F)
Inlet manifold temperature is greater than 87 °C (189 °F)
The A/C high pressure switch is On
The PTO on/off switch is On and the "PTO Activates Cooling Fan" parameter is programmed to "Continuous"
The manual fan override switch is On
The transmission requests the cooling fan to turn on via the J1939 data link
A stationary regeneration is in progress
There is an active diagnostic trouble code for the coolant temperature sensor
Table 3
"Fan Control Type" Is Programmed to "Three Speed Fan Option 1 DC"
Output Terminal Signal When the Fan Is in "Brake" Mode
(Off) Signal When the Fan Is in "Slip" Mode
(Medium Speed) Signal When the Fan Is in "Direct" Mode
(High Speed)
P1-21 Battery Voltage Battery Voltage 0 VDC
P1-13 Battery Voltage 0 VDC 0 VDC
Any of these conditions will cause the cooling fan to operate in the "Direct" mode The A/C high pressure switch is On
The PTO on/off switch is On and the "PTO Activates Cooling Fan" parameter is programmed to "Continuous"
The manual fan override switch is On
The transmission requests the cooling fan to turn on via the J1939 data link
A stationary regeneration is in progress
There is an active diagnostic trouble code for the coolant temperature sensor
Temperature Increase "Slip" mode is activated when the coolant temperature increases above 91 °C (196 °F) or the inlet manifold temperature increases above 52 °C (126 °F). "Direct" mode is activated when the coolant temperature increases above 102 °C (216 °F) or the inlet manifold temperature increases above 82 °C (180 °F).
Temperature Decrease "Slip" mode is activated when the coolant temperature falls below 96 °C (205 °F) and the inlet manifold temperature is less than 52 °C (126 °F). "Brake" mode is activated when the coolant temperature falls below 81 °C (178 °F) and the inlet manifold temperature is less than 39 °C (102 °F).
Table 4
"Fan Control Type" Is Programmed to "Three Speed Fan Option 1 PWM"
Output Terminal Signal When the Fan Is in "Brake" Mode
(Off) Signal When the Fan Is in "Slip" Mode
(Medium Speed) Signal When the Fan Is in "Direct" Mode
(High Speed)
P1-21 A PWM signal with a 90 percent duty cycle A PWM signal with a 90 percent duty cycle "OL"
P1-13 A PWM signal with a 90 percent duty cycle "OL" "OL"
Any of these conditions will cause the cooling fan to operate in the "Direct" mode The A/C high pressure switch is On
The PTO on/off switch is On and the "PTO Activates Cooling Fan" parameter is programmed to "Continuous"
The manual fan override switch is On
The transmission requests the cooling fan to turn on via the J1939 data link
A stationary regeneration is in progress
There is an ac