heater fan help please

[dieselink]

mine is a 2002 51 plate 2l hdi glx,have removed the fan and tested,works fine,tested wires to heater fan ,no power there,need advice please on how to trace this 1 black wire and 1 red wire,which are very heavy duty wires,i have wiggled ignigtion,but that did not work,and i cant see any black wires going to ignigtion,any one with a wireing diagram or something like that would be helpfull thanks or even might be the fuse,but not sure where the fuse is on this year model.

[lozz]

It might be the contacts in the ignition switch, very comon problem
there is loads of threads about this on the forum,

iresorted to by passing mine afew others have too,
search the forum for heater blower By pass something shouid come up

fuse for the heater are under the bonnet

[dieselink]

if u bypass it from the battery can u still control the speed ????????????????? via the normal controls

[lozz]

You wouid be best checking everything 1st before bypassing it,
it couid be the Resistor pack as gone,

this thing here http://www.ebay.co.uk/itm/CITROEN-C2-C3 ... 3f10eb4d63

Have a read of this, viewtopic.php?f=3&t=13315&hilit=transistor

[dieselink]

thankyou lozz,u are a great help m8,if weather good will investigate tomoz,will let u know how i get on.

[Doggy]

You might find this handy too: http://www.petrila.net/pug/Service/index.htm

[lozz]

@ dieselink
alot of us on here have had the heater blower problems,
start off with the basics, iwent straight to the ign barrel after following the advice of afew chaps on here, wiggled the wires heater blower burst into life,
it lasted abit after that,

theres plenty of stuff on here about all this, its just trial and error working your way through it all,
406s are good reliable motors once all the little faults are sorted

[jasper5]

The easiest way to check if the control module is the problem (usually is on the 2001 on cars) is to check if the red and black wires at the passenger's side of the module (located behind the centre console) are live or not....engine must be running to check if live!!!

If there is a live then the module is ok.

If there is no live then the module is faulty.

This can be tested in 2 minutes with a test lamp.

Sometimes wiggling the module connectors brings on the fan at full speed.

[marius]

hi,

I'm a keen "listener" to all posts regarding ventilation fan, although most people her seem to have a never model than I. Mine is a 1997 2.1 td, and I have looked around for the vntrol module suugested in this line of posts. The closest post I found relating to my situation seems to be "Blower gone into overdrive!" Postby plod » Wed Mar 21, 2012 9:27 pm.

Do any of you know how these control modules work ? I think the control module is in my case mounted on the ventilation fan housing itself. has the shape of a boomerang with fins and lsome power transistors by the look of it. The symptom I had was the fan running on nearly ful blast. I replaced this unit with a brand new spare, and now the fan doesn't operate at all regardless of setting. So I've been looking for some description of how these units works; the ventilation control unit on the facia, the motor control unit (may be called reesister).

I made a post to the mentioned string where I referred the measurements I did. I still have to do the same measurements with the ventilation fan connected.

SO if you guys have any description of how the ventilation fan is controlled and operates, please let me know.

Best regards from Marius

[lozz]

http://www.honestjohn.co.uk/forum/post/ ... tm?t=69447

[dieselink]

right people,i have took to bits the left hand side of the centre consol looking for the resistor thing,nothing there,so now i am totaly confused and not sure what step to take now,any ideas please or is it somewhere else on my model ???????. also if i wire the fan to a new sorce of power how can u then control the fan speed ????????

[lozz]

The fan speed will work as normal if you bypass it the right way,
thats if the module thing is working correctly, thats held in place by 2 8mm torques screws iirc
surely you shouid of seen it if youve had the side console off,

[lozz]

viewtopic.php?f=3&t=14191&hilit=heater+blower#p132215

[dieselink]

thanks lozz m8,will try again tomoz,what dose iirc meen ???????

[lozz]

iirc = if i rember correctly, sorry mate, its abit of lazy forum typing , (http://www.acronymfinder.com/AFAIK.html)
you will see other stuff like AFAIK very lazy forum typing gets confusing at times,

if you decide to have ago at By passing the heater blower have aread of this viewtopic.php?f=3&t=15834&p=157416&hili ... re#p157416

but please remember its all done at your own risk, becareful if you wire it up wrong you couid fry a loom,
it was something idid my self just to get the blower to work through the winter,