2002 Mini Cooper

Go to Google and do a search using "2002 mini cooper radiator fan sensor" there were many hits.

If there is a plug connector somewhere near the fan, you should be able to unplug this and run a wire direct to the battery from the plug (don't forget to run a ground wire as well). Watch that you connect the polarity correctly.

Good Luck!

google it

http://www.google.co.uk/search?q=2002+Mini+Cooper+coolong+fan+sesor&sourceid=ie7&rls=com.microsoft:en-gb:IE-SearchBox&ie=&oe=&rlz=1I7GGLT_en&redir_esc=&ei=AVivTKbKB9L24AatzM2SBg

Peter, I don't mess with your suggestion. So please tell me what you think or how I can go about sorting the snag out. Look Pete, getting spares here in Lagos isn't easy but what I would like to do is to short the thermoswitch, which is bypassing the bi-metal characteristics of the thermostat in essence no temp sensing but the fan will work as soon as the engine starts. What do you reckon? Looking forward to hearing from you soon. Where is the thermoswitch located precisely? That's where I want to go. Would let you know what happened to the Benz in my next posting. I got it going with your invaluable help. More grease to you. Don't go away. Have a lovely day. Take care.

it seems that there are a lot of problems with this circuit, I would look at the thermostat housing for the temp sensor, it feeds info to the computer, see if you can rewire to a stand alone sensor and relay with a illuminated switch on the dash, the switch will be wired to light up when the fan comes on or will show that the switch is on in the override position, I did this switch installation in Peugeots for years, it does not make sense to repair a system that has by design many problems, the cost of an engine dictates that you don't want to fool around with a poor circuit, I used to rewire the overtemp light to the seat belt buzzer in the aforementioned Peugeots also, loud buzzing overtemp warning saved many customers huge repair cost's. I will be rewiring my Mercury Mystique the same way.

Sincerely
retired Peugeot Mechanic

I like your fix activating the buzzer. Too bad the manufacturer can't incorporate something like that. Nice move!

h

If the engine runs cooler than necessary, there will be slightly less fuel mileage. This would be more of an issue in a cold climate, but probably not serious in Lagos.

it looks like the cooling fan sensor feeds its information into the ecu so it may be the sensor is not at fault but the ecu.relay output, i would try testing the relays first

the apply feed to fan via the relay socket to prove wiring and fan motor

http://www.highbeam.com/doc/1G1-86431057.html?key=01-42160D517E10126D100B021A012256213F4A374C1820234C3E0E0A60641A617F127119731B7B1D27

The culprit was a 5 amps fuse in the control box in the engine compartment. Got the fuse replaced and the system works perfectly. Shorting the Sensor didn't change the snag. But all is well now. Thanks so much man. Am grateful.