Technical Radiator fan not working.

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Technical Radiator fan not working.

janpenuel

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The radiator fan on my Multipla 2002 1.6 patrol stopped working, it doesn't have an air-con.

I have tried to find some information on how it is wired and where the temperature sensor for the fan is located, but I could not find any information online. I have checked all the fuses.

Can any one point me in the right direction please.
 
First try the fan , follow the wires back from the fan motor till you find a connector , disconnect it and apply 12v to the wires going to fan motor.
If fan doesn't work you either have a broken wire or the fan motor has failed.
Silly question is it now over heating in traffic?
 
If the connector going to the fan motor has three wires don't apply 12v to any of them.
 
Have you checked all the fuses under the bonnet?
 
Thanks jackwhoo.

I have checked all the fuses under the lid in the car, and in the engine bay.
 
How many wires on the fan electrical connector will clue if fan resistor or not.
 
There is only 2 wires on my radiator fan, that are directly connect to the fan electric engine.
 
If you only have two wires at connector you can safely apply 12 volts from battery . If fan spins your fan is good but problem is elsewhere.
 
On the diesel engined multi,
The radiator fan relay is under the bonnet in the relay/fuse box .
It's 50A relay.
The petrol version may be similar.
 
I tried to apply 12v to the fan directly from the battery. And the fan did not spin, so I have to get a new fan. And hopefully it will solve the problem.
 
If you put 12v +ve to one wire and -ve to the other wire and fan did not spin then the fan is definitely broken.
 
Hi All.

I did finally get time to work on the Multipla.

I took off the radiator fan and connected it directly to the battery. Sometimes it did run, while other times it did short circuit, so I will buy another one.

But I think that something is broken because I tried the engine overhead a little connected a lamp to the power connector for the fan, but nothing lighted up. I checked the fuse for the radiator fan in the engine bay, but it appears not to be OK.
 

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I did mean: "I checked the fuse for the radiator fan in the engine bay, but it appears to be OK"
 
I can see that many have read my post, but no one have a command.

What I more specific need help for is the elektronic to turn on the fan, I do not know so much about such things. Are their any relay under the dash which maybe I need to change? Has anyone a wiring diagram which can help me understand the wiring of the fan.

I did have a Golf mk2 before, at it was more simple, there was a sensor
screwed into the radiator.
 
I can see that many have read my post, but no one have a command.

What I more specific need help for is the elektronic to turn on the fan, I do not know so much about such things. Are their any relay under the dash which maybe I need to change? Has anyone a wiring diagram which can help me understand the wiring of the fan.

I did have a Golf mk2 before, at it was more simple, there was a sensor
screwed into the radiator.
On my diesel multipla one wire to the fan motor is constantly +ve
There is a relay that the ECU turns on when engine needs cooling. The relay connects the other wire to fan motor to vehicle body. The relay on diesel multipla is in box near battery.
Use a volt meter between battery -ve and then each wire in turn where they connect to fan motor.
If you do not read battery volts at one of the wires then it is likely you have a burnt out fuse.
Yes I have read you checked the fan fuse but it is possible that you have checked the wrong fuse due to handbook being confusing.
Plus you said your fan short circuiting which would definitely blow a fuse.

In the meantime buy and fit a working fan motor and see if that works.

Anyone else with petrol multi who knows which is fan fuse 100% please jump in.
 
Last edited:
Hi All.

I have bought a new use fan, and tried to connect it directly to the battery and it did run, but it did not start when the engine began to overhead.

Jackwhoo did mention the fuse box beside the battery, I did check all the fuses, but none of them was bad, their is something with I think is relays, but I am not sure.

What could I do next to solve the problem.
 

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