#1: Peugeot 206 1.1 cooling fan Author: balder07, Location: norwayPosted: Thu Apr 12, 2012 8:26 am ---- Fan wont kick in when temp goes over 90 degrees. Checked fan with connecting to batteries and it works.
When engine heats up to about 90 degrees the connection plug into fan gets 14V or 12v if motor is switched off.
But when this is connected to fan again it goes to 0V, measuring the amp to only a few mA and dropping to zero when connected. When disconnecting again it shows 14V.
Does anyone knows why the fan wont start?
#2: Re: Peugeot 206 1.1 cooling fan Author: Deckchair5, Location: Bath UKPosted: Thu Apr 12, 2012 9:29 am ---- To have the voltage there but not enough current to drive the fan shows a poor connection/ high resistance in the circuit and if you're saying niether the low or high speed fan settings are working then I'd check the fuse for integrity or poor contact as the same fuse powers both low and high speed fan relays
Whilst you're there I'd check the fusebox connectors for similar poor contact
If the high speed fan comes on but the low speed doesn't then I'd check the slow speed relay and slow speed resistor circuit
#3: Re: Peugeot 206 1.1 cooling fan Author: balder07, Location: norwayPosted: Fri Apr 13, 2012 3:51 am ---- I have checked and cleaned all of the connection i could see beside the batteri. Though I found the fault when i saw some white powder on the earth screw going on the gearbox. But it did not, fan still not going.
I have only one speed on the fan, the car is 1.1 with no aircondition.
I think the connection goes from the batteri - fuse - fan - one wire teminal switch right side of engine block behind therminal housing - earth through engine block so it has no relay or resistor
I have tried to search for similar problem, but i can only find 1.1 206 with terminal switch on radiator. Even when I look up my car in peugeot servicebox, with cars unique number VF32CHFXF41133095, it say that terminal switch is lokated on radiator. But it does not, it is only a plug with no wire.
Any idea where the foult could be?
#4: Re: Peugeot 206 1.1 cooling fan Author: balder07, Location: norwayPosted: Fri Apr 13, 2012 10:35 am ---- any clues?
#5: Re: Peugeot 206 1.1 cooling fan Author: Deckchair5, Location: Bath UKPosted: Sat Apr 14, 2012 2:20 am ---- Your VFxxxxxxx number shows you should have a simple in radiator on/off thermo switch controlling the fan (as you've found) but you're saying you don't have one these
So if you have a wiring diagram or pics of your set up then post them up
In the meantime you could wire your fan with a manual switch to avoid overheating problems
#6: Re: Peugeot 206 1.1 cooling fan Author: Lee, Location: EnglandPosted: Sat Apr 14, 2012 2:32 am ---- Have you wired the fan direct to see if it works?
Turned the fan on via the diag port?
#7: Re: Peugeot 206 1.1 cooling fan Author: VorTechS, Location: Gloucestershire, UKPosted: Sat Apr 14, 2012 3:01 am ----
Lee wrote:
Have you wired the fan direct to see if it works?
Turned the fan on via the diag port?
I'm currently investigating the same problem, and have access to several diag machines. One we couldn't hook up because it would only read Bosch 7.4.4 ( mine is apparently 7.2.x) and with those we could hook up - we couldn't find a function to switch on the fan. Is a preplex meant to be able to do this via diag. ?
#8: Re: Peugeot 206 1.1 cooling fan Author: Deckchair5, Location: Bath UKPosted: Sat Apr 14, 2012 3:13 am ---- Balder says he's checked the fan operation by direct battery voltage
It seems to be a year 2000 model, I'm guessing this is an ECU controlled fan with engine temp info fed from the single wire engine temp sensor?
#9: Re: Peugeot 206 1.1 cooling fan Author: Lee, Location: EnglandPosted: Sat Apr 14, 2012 5:30 am ----
VorTechS wrote:
Lee wrote:
Have you wired the fan direct to see if it works?
Turned the fan on via the diag port?
I'm currently investigating the same problem, and have access to several diag machines. One we couldn't hook up because it would only read Bosch 7.4.4 ( mine is apparently 7.2.x) and with those we could hook up - we couldn't find a function to switch on the fan. Is a preplex meant to be able to do this via diag. ?
Yes you should be able to. I can do it with dealer as well as multidiag. Normally in actuator tests.
And balder, here is the wiring diagram for your engine and emission levels
#10: Re: Peugeot 206 1.1 cooling fan Author: Deckchair5, Location: Bath UKPosted: Sat Apr 14, 2012 6:16 am ---- Hi Lee
If that's Balder's wiring diagram then that's a normal 2 speed fan set up with hi and low speed relays and low speed resistor. If so then it's going to be relays and resistor connections checking time
#11: Re: Peugeot 206 1.1 cooling fan Author: Lee, Location: EnglandPosted: Sat Apr 14, 2012 6:48 am ---- Used his VIN and build code for the diagram.
Should have really checked the relays and resistors anyway, they always fail on the 206 due to the stupid place they are located, causes water ingest and corrosion
#12: Re: Peugeot 206 1.1 cooling fan Author: Deckchair5, Location: Bath UKPosted: Sat Apr 14, 2012 7:13 am ---- Indeed, it's getting the cooling airflow around that resistor that causes the problem of where to site it as the thing would get pretty hot otherwise but the relays could easily have been positioned elsewhere
Still, Balders is going to be happy to discover he has a 2 speed fan when it's all working
#13: Re: Peugeot 206 1.1 cooling fan Author: balder07, Location: norwayPosted: Sat Apr 14, 2012 9:34 am ---- Wow, 2 speed fan would be great:)
I cant find the relays supposed to be in the front, dont think there are any since I can follow the cables from the fan to engine fuse box with no releys in between.
Have taken some picture, maybe its easier to see what cooling system I use. Since I did not find how to put it in here with the text, I made a blog.
Does anyone know if is the thermal switch that I have beside engine block?
#14: Re: Peugeot 206 1.1 cooling fan Author: Lee, Location: EnglandPosted: Sat Apr 14, 2012 10:33 am ---- You need to take the bumper off to see the relays
#15: Re: Peugeot 206 1.1 cooling fan Author: Edward, Location: In the garagePosted: Sat Apr 14, 2012 11:08 am ---- The relays are behind the front bumper under a cover on the fan housing.
The only switch is in the ECU...it monitors the coolant temperature and at certain levels it switches the cooling fan on via the relays behind the bumper.
#16: Re: Peugeot 206 1.1 cooling fan Author: balder07, Location: norwayPosted: Sun Apr 15, 2012 4:13 am ---- without taking off my bumber i could see clearly that there where no wires going in like on Edwards car.
In haynes manual it shows the wire diagram for cooling system for car without aircondition. It also shows that there is temperature switch directly to earth.
Could this also be the case for my car, but with temperature switch in engine block?
#17: Re: Peugeot 206 1.1 cooling fan Author: balder07, Location: norwayPosted: Sun Apr 15, 2012 6:49 am ---- I think i found wiring diagram for my car, peugeot206cooling.blogspot.com/
Having trouble reading peugeot wiring diagram, can anyone help?
Where is fuse F7 on BM34. What is C001 and BB00?
#18: Re: Peugeot 206 1.1 cooling fan Author: Lee, Location: EnglandPosted: Sun Apr 15, 2012 7:03 am ---- I gave you your wiring diagram. It's the exact one from your car.
#19: Re: Peugeot 206 1.1 cooling fan Author: mtempsch, Location: Gothenburg, SwedenPosted: Sun Apr 15, 2012 7:08 am ----
Having trouble reading peugeot wiring diagram, can anyone help?
Where is fuse F7 on BM34. What is C001 and BB00?
BB00 would be the battery.
BM34 is the engine compartment fuse box.
No idea as to C001...
#20: Re: Peugeot 206 1.1 cooling fan Author: balder07, Location: norwayPosted: Sun Apr 15, 2012 7:19 am ----
Lee wrote:
I gave you your wiring diagram. It's the exact one from your car.
I know, but it does not match what I see in my car. Relay and resistor is not located where they supposed to be. Also the therminal switch should be on radioter, but it is not.
#21: Re: Peugeot 206 1.1 cooling fan Author: Deckchair5, Location: Bath UKPosted: Sun Apr 15, 2012 11:32 am ---- A little tricky because although Lee has given you the supposed wiring diagram for your car what you are actually seeing is a very different set up
The wiring diagram you've supplied,Balders, is for the cars with the radiator thermo switch, but you haven't got that. Maybe you should have? Has the radiator been changed? Has the fan ever worked whilst you've had the car?
To help with identifying components for your wiring diagram have a look here Peugeot components identity << click here
C001 is where the fan supply connects to the diagnostic connector for self test
So you do not have a radiator thermal switch ( even though Service box says you have)
And you do not have air con ( even though Service box says you have)
So you are really going to have to go with what you see actually on your car
Has your rad fan ever worked ie have you just bought the car with existing wiring problems?
I would try, as a test, putting an additional wire from the fan fuse at the fuse box directly to the fan supply as this seems to be the problem. Also you could put an additional earth to the fan.
Fan now working permanently with ign on? Hope so
Now disconnect your additional earth and check if the fan operates on its own with engine coming up to temperature. If it doesn't then you need to check where the earth wiring goes from the rad fan, if it goes to that thermo switch on your thermostat housing then you need to make sure that is going to earth and supplying earth to the rad fan at the trigger temperature
If you want to, you could even install the radiator thermo switch which servicebox believes you have anyway, connect the rad fan earth to one side of the switch, supply earth to the other side and off you go, just as it shows in YOUR wiring diagram
#22: Re: Peugeot 206 1.1 cooling fan Author: balder07, Location: norwayPosted: Sun Apr 15, 2012 1:02 pm ---- Thanks for info.
The car have had 2 previously owner, but the fan has worked with me as owner. Although it did make a squeaky sound when it did, and then eventially died. Not any changes to cooling system after this. Therefore I now changed the fan, assuming this was the problem. This fan have been testet with directly power from battery, and are spinning both ways, depening on polarity.
I could probably built it with a radiator thermo switch, but im also eager to find out how it is connected now.
I could have a radiator thermal switch but its not located on radiator. I have a sensor that might be a switch, its located besides engine block behind thermal housing. I have found a similar on ebay cgi.ebay.co.uk/ws/eBay...1251wt_905 it have a purple ring. (thought it was black, but that was only dirt)
Is there anywhere else fan relays could be located on peugeot 206, besides fan housing?
#23: Re: Peugeot 206 1.1 cooling fan Author: Deckchair5, Location: Bath UKPosted: Sun Apr 15, 2012 2:45 pm ---- Disconnect the wire going to your thermo switch and with ignition on connect that wire to earth by a separate cable.
If that thermo switch is the fan controller then your fan should then start and if it does then it shows
1 the electrics to the fan are good
2 the thermo switch is the controller of the fan and is the fan's earth supply
3 the thermo switch is not functioning at the required temperature
If you don't have a 2 speed fan then logically you don't need relays in the system
#24: Re: Peugeot 206 1.1 cooling fan Author: balder07, Location: norwayPosted: Mon Apr 16, 2012 1:39 pm ---- Deckchair5, you are a genius. Connected the sensor to earth with a separate cable, the engine did something with idling, and after a few seconds the fan kicked in.
Need to buy a new temp.sensor.
I think I have fan relay somwhere, becouse the fan is not connected directly to sensor, and sensor wiring are going in direction towards ecu.
Thanks for the help fellows
#25: Re: Peugeot 206 1.1 cooling fan Author: balder07, Location: norwayPosted: Wed Apr 18, 2012 12:04 pm ---- Crap. Changed to a new temp. sensor but with a pink ring. (man in the stoor said the colour did not matter on this type of sensor) But it did not work. Had engine temperature to about 100 degrees, but the fan still wont kick in.
Noticed that the inside where the sensor was fitted was dry, and the coolant did not drain out. Should it, or is it just screwed in metal?
#26: Re: Peugeot 206 1.1 cooling fan Author: Deckchair5, Location: Bath UKPosted: Wed Apr 18, 2012 2:09 pm ---- A coolant temp sensor should normally be in direct contact with the coolant so if there's no coolant in your thermostat housing then it sounds like there is an air lock and the system needs bleeding properly or there is a blockage
The temp switch (if that's what you have) needs to take the rad fan earth wire to earth so check if the sensor switch makes contact at the right temp, you could test for continuity across the switch contacts after emersing the sensor in near boiling water.
If there's only ever been one wire going to the sensor then the sensor would need to connect that wire to earth internally, if it doesn't act like that and the two terminals make contact at the right temp (like it shows in the wiring diagram you have) then you'll need to make it go to earth by making a new wire for the other sensor contact and make that connect to a good earth somewhere nearby
Very difficult to help without the confirmed correct wiring diagram for your vehicle. One system has a two speed fan with relays and a low speed resistor and the other system doesn't. If you say you don't have relays or resistor then your system is different from the wiring diagrams Last edited by Deckchair5 on Thu Apr 19, 2012 8:05 am; edited 1 time in total
#27: Re: Peugeot 206 1.1 cooling fan Author: balder07, Location: norwayPosted: Thu Apr 19, 2012 5:57 am ---- The sensor is not actually on the thermostat housing but right under. I checked again and there completely blocked by metal where the sensor should be, only room for sensor screw.
Checked resistance to contact that is in contact with the only wire connected. It measure 0L when cold, and 1,4Mohm when warn, 90 somthing degree water.
Does it seem that I bought a wrong sensor?
#28: Re: Peugeot 206 1.1 cooling fan Author: Deckchair5, Location: Bath UKPosted: Thu Apr 19, 2012 10:57 am ---- It's difficult to be certain of your system when niether of those wiring diagrams relate to your car
But looking at one of your photos, this is your engine temp sensor.
The blue thermo switch you've circled in red with the single wire is a final fail safe warning to the ECU of an over temp condition in the event of ETS not working etc and simply switches open/ closed which will also turn the rad fan on. That's why it's not actually in the coolant as it is a cylinder head temperature thermoswitch
So the ETS will be telling the ECU of engine temp
The fact your rad fan works when you open circuit the blue temp switch shows the ECU is controlling the fan at that time and the wiring from the ECU to the fan and its earth are ok
#29: Re: Peugeot 206 1.1 cooling fan Author: balder07, Location: norwayPosted: Sat Apr 21, 2012 4:00 am ---- I see. Any clue how I could test the ETS?
When I disconnect the ETS the temperature in car dashboard goes to max, so it not completely broken
Does anyone have internal wiring diagram for ETS, and also operating temperature`?
#30: Re: Peugeot 206 1.1 cooling fan Author: Deckchair5, Location: Bath UKPosted: Sat Apr 21, 2012 7:45 am ---- An ETS is usually a simple negative coefficient thermistor ie it's a resistor whose resistance reduces as its temperature rises. They vary a lot but a typical one might range from approx 10k at 10C down to 200ohms at 100C. If your dashboard coolant temp gauge is acting correctly then your ETS is probably working correctly.
So I'd look to find out why your ECU is not triggering your rad fan to start at the required temperature eg a problem with the wiring from ECU to rad fan?
To save time and to save frying your engine you could either put a 200ohms resistance in place of your ETS so you are simulating a hot engine condition in which case your ECU should be commanding the rad fan to start or, even better, use a variable resistor up to say 20k so you can simulate the complete range of engine temps. (Your tickover will alter too as the ECU is fooled into sensing a cold or hot engine condition)
This is all you need, about £1 in any good electrical component store and some basic soldering skills
Or you can simulate rad fan operation with Peugeot Planet of course
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