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finally problem cured I replaced the BSI unit .soldered older eeprom to new bsi and fit to the car AC stared to work ...fine
Out side temperature on the malfunction display is still show blank --
my lexia3 still not recognizing the other ECU on the car i mentioned earlier ..
thanks verymuch

thanks steve i plugged planet for scanning bsi but it didn't work , get this fault in engine ecu after running global scan . there is a bit rattling sound around 3000 rpm . i located the sensor with the image posted by Steve. it not easy to unplug and re plug coz its under the inlet manifold . have ...

Hi my car is 406 1.8 petrol with ew7 . i scanned my car using planet and found the one permanent fault in engine ecu . ( 406 knock sensor permanent fault ) but no check engine light .have few questions to ask from you is that safe to drive with this fault ? why doesn't i get the check engine light ?...

hi , after about 2 months i just received the pp2000 interface today ,a Chinese clone . installed diagbox 7.02 in win xp sp3 virtual machine and hoked up to diagnosis socket and run the peugeot planet from the diagbox. then did a global scan and its only read the engine ecu ,airbag ecu and abs ecu h...

Fyi I fitted a new passenger side (RH) wing mirror from fleabay UK to my French LHD 406 not realising it would come minus the outside temparature sensor. Now outside temp indication on the display is a blank but A/C works fine... thanks malc .i don't know what pugs are doing when wiring problem occ...

http://www.pug306.net/forum/archive/index.php/t-49069.html Relevant... i just checked the voltage between the wires of the sensor .it shows only 0.5v .also i check the wire continuity all good .and the outside temperature sensor show 535 ohm reading .and when i move the soldering iron to the sensor...

That suggests that the sensor is not connected properly (e.g. sensor faulty, wiring faulty, connector faulty, or - less likely - BSI faulty) PP2000 might throw an error to let you know what's going on, and if you measure the sensor you'll have an idea if it's an open circuit. There's a slight chanc...

Ah, now that I have no idea about (anyone?), I'd just test it anyway, hoping for something meaningful. Is it always zero? Never below? sory it was not 00 its only -- . no any numbers http://thumbs.ebaystatic.com/images/g/ZPsAAOxyVaBS4W9C/s-l225.jpg (this photo is not mine .but my MFD show tempratur...

thanks steve how do i check the sensor whether its working or not .
i just dissemble the wing mirror and found the sensor which leads 2 black wires .

which voltage does the wires supply to the sensor .i have a multi meter so i can check the sensor wires have power at the connector in the door .

thanks steve how do i check the sensor whether its working or not .
i just dissemble the wing mirror and found the sensor which leads 2 black wires .

which voltage does the wires supply to the sensor .i have a multi meter so i can check the sensor wires have power at the connector in the door .

Update
found that the MFD it show up -- at the temperature display position all the time . i guess out side temperature is about 25c .

can this be a cause to compressor not to engage?

i remember it was worked fine before this AC problem occurs .

The RPO is 08829 (the 89 means it was built at Sochaux, like the majority of 406s), Thu 11 Jan 2001 so definitely a semi-mux. I forgot there are 4 1.8 engines but the diagrams all appear to be the same. I'll add the descriptions in a minute... Thanks very much for the detailed info Steve. ill check...

How does it regulate low speed? Is there some kind of series resistor that might be broken? On the twin-fan models the two fans are used in series for low speed. there is a resister on the cover of the fan . its fine i already checked . wire number 1592 is the problem its comes from ecu and no powe...

[quote="8Jb9"]I think PP2000 is quite important in your case, because you have two possible causes: fan-fault causing the BSI to not engage the AC, or alternatively the relay. The fan problem is typical, and I currently suffer from the same. As you say, one of the fans go on on high for a few second...

lozz wrote:Have you checked the relays for the fans.
iirc..there's two or three behind the grille.

I might be wrong tho.

fan low speed is not working . i think normally it would start in low speed when switching on the ac.

i checked the relays all are good ..