#16: Re: engine coolant fans/sensor Author: kandlbarrett, Location: SwindonPosted: Tue Feb 05, 2013 5:03 pm ---- I think you will find that in the drawing supplied by V9977 that item 2 (plug) is where the fan control sensor should be.
Now here is where the confusion starts (or Haynes b******s) the drawings in there suggest that there is an "alternative" sensor arrangement! So you could have fan / gauge control via just a single sensor or two seperate sensors!
I have seen cars with three sensors. One in the head and two on the thermostst housing.
On that note I repeat previous advice. Go to Peugeot and ask to see their sensors for your car. Last edited by kandlbarrett on Wed Feb 06, 2013 1:00 pm; edited 1 time in total
That's the 3-pin type pins 1&2 for ECU and pin 3&chassis for dash temp-gauge iirc.
yes i would agree with you if i were talking about a DW10 HDIthat uses all 3 wires
but this 206 only uses just the two
Idon't know what you're trying to say because 3 pins are not just for that engine, I have two 1.4i 206 (mux&non-mux) TU3 and can assure you they don't just chuck in there pins for cost saving when it comes to sensors.
I hope you get it working but I really have made an incredible f-up on this keyboard which I have to quickly throw in the rubish before the 'boss' finds-out.
Good luck!
#19: Re: engine coolant fans/sensor Author: kandlbarrett, Location: SwindonPosted: Tue Feb 05, 2013 5:08 pm ---- Some cars do have a sensor where that plug is. I have seen them!
Some cars do have a sensor where that plug is. I have seen them!
Yes, and some use a bung too.
Peugeot definately good idea agreed.
S186 is indeed the overheat trip switch (classic gauge jump to red) incase of airlock preventing flow to the sensor up top.
#21: Re: engine coolant fans/sensor Author: cully, Posted: Tue Feb 05, 2013 5:15 pm ---- thanks guys i will have another look, but i cant get the car to peugeot garage as its sorned,
i guess i best right down all the info and take a trip down to peugeot in the trusty 306
#22: Re: engine coolant fans/sensor Author: kandlbarrett, Location: SwindonPosted: Tue Feb 05, 2013 5:38 pm ---- V9977: on the 1.4 8V preplex the blue sensor in the side of the head as I have described and is definitely for variable reading of the gauge. I have replaced it on my daughters car and that fixed the gauge. Also unplugging it makes the gauge drop to zero and all other gauge readings seem accurate. I don't think the 1.4 8V has the jump to red sensor.
Peugeot certainly know how to confuse or keep info to themselves with the temp sensors on these cars.
#23: Re: engine coolant fans/sensor Author: kandlbarrett, Location: SwindonPosted: Tue Feb 05, 2013 5:40 pm ---- cully: take photos on your phone of both the sensors with connectors fitted and with the connectors disconnected so you can see the pin arrangements. Worth a thousand words and you won't forget anything.
V9977: on the 1.4 8V preplex the blue sensor in the side of the head as I have described and is definitely for variable reading of the gauge. I have replaced it on my daughters car and that fixed the gauge. Also unplugging it makes the gauge drop to zero and all other gauge readings seem accurate. I don't think the 1.4 8V has the jump to red sensor.
Peugeot certainly know how to confuse or keep info to themselves with the temp sensors on these cars.
Not on my 1.4 8V 2001.
Definately on-off jump to red single-pin ref. chassis. (from bitter experience!)
Might be different in your case which I would find surprising because of the much lower position water level, in relation to the other one up top.
But hey it's Peugeot as you say, so yeh they can do whatever they want.
#25: Re: engine coolant fans/sensor Author: kandlbarrett, Location: SwindonPosted: Tue Feb 05, 2013 7:29 pm ---- My daughter's gauge always reads about 80 deg rather than an expected 90. I have assumed that is because of the relatively low positioning of the sensor.
Her car is 2000 "W" plate.
Haynes shows her blue gauge sensor exactly where I found it on the engine!
Weird or what? Confusing as hell.
If I have time I will take some pics and post them some time soon.
I think I might try to get some pics of sensors on other cars - get a collection for a "how to" clarifying posts.
#26: Re: engine coolant fans/sensor Author: V9977, Location: Athens, GreecePosted: Wed Feb 06, 2013 3:41 am ----
kandlbarrett wrote:
My daughter's gauge always reads about 80 deg rather than an expected 90. I have assumed that is because of the relatively low positioning of the sensor.
Her car is 2000 "W" plate.
Haynes shows her blue gauge sensor exactly where I found it on the engine!
Weird or what? Confusing as hell.
If I have time I will take some pics and post them some time soon.
I think I might try to get some pics of sensors on other cars - get a collection for a "how to" clarifying posts.
Yep, had exactly the same too.
Only when I compared the gauge reading with that from the live-data in PP2000 did I realise how inaccurate the dash gauge really is, on a non-mux 206 at least. Before that I had replaced thermostat, coolant, pump and so on and forth. Gauge was 8 to 12 C out depending on position, and about 80 C, at actual engine temp of 90 C .
3-pin temp sensors have two thermistor elements inside: One for the gauge (pin 3&chassis) and a different isolated one within the same sensor for the ECU (pin1 & 2).
Correlation between ECU reading and dash temp reading is random, way-way out, and this is normal.
The mux 2008 model 1.4i is OK on this though. Go figure.
#27: Re: engine coolant fans/sensor Author: cully, Posted: Wed Feb 06, 2013 5:51 am ---- i see the jury is still out on this
i will take some pictures of the sensors
and some screen shots of Peugeot planet showing the sensor values
the ECU dont need to be calabrated to read the thermistor correctly does it??
#28: Re: engine coolant fans/sensor Author: V9977, Location: Athens, GreecePosted: Wed Feb 06, 2013 6:51 am ----
cully wrote:
i see the jury is still out on this
i will take some pictures of the sensors
and some screen shots of Peugeot planet showing the sensor values
the ECU dont need to be calabrated to read the thermistor correctly does it??
No.
#29: Re: engine coolant fans/sensor Author: cully, Posted: Wed Feb 06, 2013 10:44 am ---- everyone likes photos
PP2000
scan
BSI Temp readings car cold not running
Engine ECU temp readings car cold not running
BSI temp after running 10 mins notice coolant temp increasing!
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