Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
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Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
The engine cooling fan on my 2003 Zara Picasso 1.8sx does not work. I took it for an MOT and they abandoned it when it overheated during the emissions test. Under normal driving conditions it does not overheat. I tested the two fan resistors with my multimeter and both .54 Ohm and .8 Ohm were faulty so I replaced with new ones, but the fan will still not work. When I switch the aircon on, I hear the clutch noise and there is a drop in power so I assume it is trying to work, but again the fan does not kick in. I'm not sure how to test the three green relay boxes and I don't know which fuse controls the fan, so any advice appreciated.
Last edited by Fartblast on 26 Mar 2020, 09:02, edited 4 times in total.
Citroen Xsara Picasso 1.8SX 2003
- Paul-R
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Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
Almost certainly the Maxi fuse has blown - this is what happened to both our old Xsara and Mk1 C5. Unfortunately I can't point you at which one nor even where the fusebox is located!
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Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
Would be interesting to see the circuit diagram for that one, Marc — a triple relay set AND two resistors ??
Presumably a single fan.
Presumably a single fan.
Chris
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Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
Thanks for the replies. I know where the fuse boxes are, just not which one is for the fan as I cant find the information online.
Last edited by Fartblast on 25 Mar 2020, 18:09, edited 2 times in total.
Citroen Xsara Picasso 1.8SX 2003
Re: Radiator Fan NOT Working Zara Picasso 1.8sx 2003
The 2 main fuses you are interested in are maxi fuse 1 located underneath the under bonnet fusebox. Also the normal fuse 1 in the under bonnet fusebox.
Does the fan turn freely by hand? does the fan operate if you give it 12v directly on pin 1?
EDIT: I just saw your fusebox pic after i posted at the same time, are you sure this is a 2003 model? that is an earlier non com2000 model fusebox. Do you have the RP number? the changeover was 2001/2002 ish.
Ignore what I said about fuses above as that is for a later model fusebox.
Does the fan turn freely by hand? does the fan operate if you give it 12v directly on pin 1?
EDIT: I just saw your fusebox pic after i posted at the same time, are you sure this is a 2003 model? that is an earlier non com2000 model fusebox. Do you have the RP number? the changeover was 2001/2002 ish.
Ignore what I said about fuses above as that is for a later model fusebox.
Last edited by wheeler on 25 Mar 2020, 16:45, edited 1 time in total.
- Paul-R
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Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
A very good point. The cause of the of all the problems in both cars was the fan had seized up over winter when it wasn't needed.
As I get older I think a lot about the hereafter - I go into a room and then wonder what I'm here after.
Inside every old person is a young person wondering what the hell happened.
"Trying is the first step towards failure" ~ Homer J Simpson
Inside every old person is a young person wondering what the hell happened.
"Trying is the first step towards failure" ~ Homer J Simpson
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Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
Yes the fan turns freely and I purchsed the car brand new in March 2003. I have only taken off the bonnet cross member, not the bummper so I cant see the 12v feed. What is the RP number?
Last edited by Fartblast on 26 Mar 2020, 09:01, edited 1 time in total.
Citroen Xsara Picasso 1.8SX 2003
Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
Need to know the RP number of the car (shown at E on the tyre pressure sticker or sometimes on the back of the interior fusebox cover)
Does it have single or automatic A/C?
Does it have single or automatic A/C?
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Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
Aircon is manual, just pus a button on the dash. Only three rows of RP numbers and letters on my car.
09475FV
EZRC
20245
09475FV
EZRC
20245
Citroen Xsara Picasso 1.8SX 2003
Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
Ok so you car was actually built October 18, 2002. The RP number is the 9475.
Maxi fuses 2 & 3 are the ones you are interested in (middle 2 big fuses in the bottom row of your picture).
If you disconnect both the big resistors & power up pin 3 with 12v this should put the fan motor on full speed to prove the fan is ok.
Maxi fuses 2 & 3 are the ones you are interested in (middle 2 big fuses in the bottom row of your picture).
If you disconnect both the big resistors & power up pin 3 with 12v this should put the fan motor on full speed to prove the fan is ok.
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Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
OK many thanks for this info. I will try later this evening or tomorrow and let you know how I get on.
Citroen Xsara Picasso 1.8SX 2003
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Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
I just checked and the fuses look good. Can you tell me the location of pin 3.
Citroen Xsara Picasso 1.8SX 2003
- Paul-R
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Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
You say they look good but have you tested them with a meter or test light? Or possibly exchanging them with known good fuses?
As I get older I think a lot about the hereafter - I go into a room and then wonder what I'm here after.
Inside every old person is a young person wondering what the hell happened.
"Trying is the first step towards failure" ~ Homer J Simpson
Inside every old person is a young person wondering what the hell happened.
"Trying is the first step towards failure" ~ Homer J Simpson
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- Posts: 33
- Joined: 25 Mar 2020, 14:22
- Location: England
- My Cars: Citroen Xsara Picasso 1.8SX 2003
Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
No but they are not obviously blown. I will test them tomorrow. Thanks again.
Citroen Xsara Picasso 1.8SX 2003
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Re: Radiator Fan NOT Working Xsara Picasso 1.8sx 2003
I have had an occasion where the fuse had not blown, but corrosion on the fuse blades and holder clips stopped the rear wiper from working. I plugged/unplugged the fuse a few times and the wiper returned to normal service.
James
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