|
Title: coding out the N249 valve..? Post by: sn00k on February 28, 2012, 07:11:07 AM What would need to be changed to be able to remove this one without throwing DTCs?
my german is bad, but im thinking maps concerning "Schubumluftventil-Endstufe" has something to do with this one? Title: Re: coding out the N249 valve..? Post by: masterj on February 28, 2012, 08:46:12 AM What would need to be changed to be able to remove this one without throwing DTCs? my german is bad, but im thinking maps concerning "Schubumluftventil-Endstufe" has something to do with this one? What DTC it pulls? (Pxxxx) Title: Re: coding out the N249 valve..? Post by: sn00k on February 28, 2012, 10:55:13 AM no clue atm.. i was going to turn it off before i removed it.. i will have a look =)
is there a specific way to turn of the codes based on the Pxxxx number? (i have the box fully specified) Title: Re: coding out the N249 valve..? Post by: littco on February 28, 2012, 01:02:24 PM I found these
But I can look tomorrow as my n249 is unplugged so can get the code N80, EVAP deletion... (Alex@unitronic.ca) 05-01-2009 12:13 AM #4 So here are all the codes i have aquired: 17608 - boost pressure control vavle (N249) mechanical malfunction P1200 - 35-00 - - 16795 - secondary air injection system incorrect flow detected P0411 - 35-00 - - 16825 - evap. emission system incorrect purge flow P0441 - 35-00 - - 17840 - Secondary Air Injection Solenoid Valve (N112): Open Circuit P1432 - 35-00 - - 17695 - Boost Pressure Control Valve (N249): Open Circuit P1287 - 35-00 - - 17834 - EVAP Purge Valve (N80): Open Circuit P1426 - 35-00 - - Title: Re: coding out the N249 valve..? Post by: sn00k on February 28, 2012, 01:58:24 PM thats great =)
it seems the P1287 and P1200 are the ones im after here.. and also need to find the codeword for the N249 to turn it off like in the pre 2000 cars which doesnt have the N249. Title: Re: coding out the N249 valve..? Post by: sn00k on February 28, 2012, 02:09:30 PM what can the N249 be named in german? =)
is it this one: "Schubumluftventil-Endstufe"? Title: Re: coding out the N249 valve..? Post by: masterj on February 28, 2012, 02:44:41 PM I found these But I can look tomorrow as my n249 is unplugged so can get the code N80, EVAP deletion... (Alex@unitronic.ca) 05-01-2009 12:13 AM #4 So here are all the codes i have aquired: 17608 - boost pressure control vavle (N249) mechanical malfunction P1200 - 35-00 - - 16795 - secondary air injection system incorrect flow detected P0411 - 35-00 - - 16825 - evap. emission system incorrect purge flow P0441 - 35-00 - - 17840 - Secondary Air Injection Solenoid Valve (N112): Open Circuit P1432 - 35-00 - - 17695 - Boost Pressure Control Valve (N249): Open Circuit P1287 - 35-00 - - 17834 - EVAP Purge Valve (N80): Open Circuit P1426 - 35-00 - - in my bin file P1200 is between CLALDRA and CLALKVDK P0411 is between CLASLPE and CLASLV P1432 - CLASLVE P1287 - CLAVAR P1426- CLATEVE Title: Re: coding out the N249 valve..? Post by: Giannis on March 06, 2012, 02:33:48 PM i think is CLALDUV: Fehlerklasse: Schubumluftventil-Endstufe try and report
Title: Re: coding out the N249 valve..? Post by: elRey on March 06, 2012, 06:12:04 PM i think is CLALDUV: Fehlerklasse: Schubumluftventil-Endstufe try and report A couple of options. 1) Change the fault class like mentioned above so if diagnosis of N249 fails it does not throw DTC. 2) Change conditions needed to start diagnosis to unreachable values i.e DLDUVES, TMDLDUV, TMFDUV, TMMZUV so diagnosis never starts. These will help the malfunction DTC but not the open circuit DTC. Thus far I haven't found a way to prevent ECU from checking for open circuit. DTC can be surpressed BUT more than likely interfere with fuel trims adaptation. Maybe something in DEKON function and ESKONF Title: Re: coding out the N249 valve..? Post by: elRey on March 07, 2012, 11:22:33 AM Try changing byte3 of ESKONF from 00 00 00 00 to 00 00 11 00
or from 0 to 12 dec function DMDSTP defines what errors interfere with fuel adaptation. |