Cooling Fan Operation Dodgeintrepid Net Forums This is from a '94 fsm. the same fsm says both fans work together as one. energizing the low speed relay should make both fans run low speed. energizing the high speed relay should make both fans run high speed. the pcm will only energize one relay at a time.note the wire color changes at the fan connector. Dodge intrepid first generation forums (1993 1997) cooling fan operation. 705 views 4 replies 4 participants last post by ottowrkr, jan 5, 2003 jump to latest i.
Cooling Fans Dodgeintrepid Net Forums D76g12. 10195 posts · joined 2003. #21 · mar 16, 2006. strongt said: the cooling fans will operate based on inputs to the pcm. when fan operation is determined necessary, the pcm provides a ground to the fan relay control circuit. the inputs provided to the pcm that influence fan operation are: coolant temperature sensor. With two fans, there is no resistor but the second fan is 'used' as resistor, resulting in half the speed off both fans. but with two fans you can create three kind off air speeds. 1 = low: both fans on half the power, creating little air flow. 2 = medium: one fan at full speed, creating bit more air flow than low speed. The fan is energized whenever the engine is running and coolant temp or trans oil temp is greater than 220*f or air conditioning head pressure is greater than 220 psi. the fan will turn off when engine coolant or trans oil temp drops below 216*f or air conditioning head pressure drops to 170 psi." reply like. Jumper wires. garden hose pressure washer (for cleaning) step 1 – clean any debris. before beginning diagnosis for a faulty cooling fan, ensure the fan and radiator are free of excessive dirt, mud, or debris. many jk owners regularly take their wrangler off road and often drive through some rugged terrain.
Cooling Fan Operation Dodgeintrepid Net Forums The fan is energized whenever the engine is running and coolant temp or trans oil temp is greater than 220*f or air conditioning head pressure is greater than 220 psi. the fan will turn off when engine coolant or trans oil temp drops below 216*f or air conditioning head pressure drops to 170 psi." reply like. Jumper wires. garden hose pressure washer (for cleaning) step 1 – clean any debris. before beginning diagnosis for a faulty cooling fan, ensure the fan and radiator are free of excessive dirt, mud, or debris. many jk owners regularly take their wrangler off road and often drive through some rugged terrain. No, the pcm only uses the temp switch to verify an overheat condition the trigger for fail safe cooling and the red temp light on the dashboard. if the car is running in fail safe, then you might want to look into it. else, it's not part of your problem. for fan operation, it does use the coolant temp sensor. Ive got the wiring manuals and propaly need to purchase the workshop (service) manuals. on my 2005 zx4 ive heard the fans running in both low and high speed but not sure ive heard them run in medium speed. on my 2002 wagon im pretty sure ive only heard them run in low speed (so far). paul. 2006 zxw se 2.0l duratec 4f27e 45k miles.
Cooling Fans Dodgeintrepid Net Forums No, the pcm only uses the temp switch to verify an overheat condition the trigger for fail safe cooling and the red temp light on the dashboard. if the car is running in fail safe, then you might want to look into it. else, it's not part of your problem. for fan operation, it does use the coolant temp sensor. Ive got the wiring manuals and propaly need to purchase the workshop (service) manuals. on my 2005 zx4 ive heard the fans running in both low and high speed but not sure ive heard them run in medium speed. on my 2002 wagon im pretty sure ive only heard them run in low speed (so far). paul. 2006 zxw se 2.0l duratec 4f27e 45k miles.
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