C3 hdi 2002 fun runs after turns the key off

[mexanico1971]

I have a c3 from 2002 sid 802 !
connect lexia erase all errors , but after I switch the key off the fun starts and no stops ! only if I turn on the key again !
have anyone ever see one of this situation ?!
every sensors are good switch the car on and make it goes to 90? c the funs switch on and cooled the water !
on 89? switch off everything normal !
:hmmmm2:

any suggestions

thanks in advanced
merry Christmas

[cipijoint]

check wires if you have some under the battery.
I have found the same simptom on a skoda octavia 2005 year one coroded wire because of battery leak .
That coroded wire was short to ground and give supply to the cooling fan relay . :joyman:

[powerpower]

Hi

turn off a.c pressor switch if it stops you now what?s the problem

sorry for my english

[mexanico1971]

Hi

turn off a.c pressor switch if it stops you now what?s the problem

sorry for my english

thanks any way ! my ingles isint it better ! the car have travel to varios garages ! and one of those garage ask me if I cant fix the problem ! i see all the wires the 3 ! 2 goes to the ecu and 1 goes to the BSI !

whem the dashbord turn of I herd a clic on the fuse box near the motor, and the fun start runs !

thanks !

best regards