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masterj
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« on: December 22, 2011, 10:30:48 AM »
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Hello everyone! First of all - yes I've read s4wiki  Now I've managed to disable SAI and CAT completely. But aftercat O2 gives me headaches... No matter what I try I always get "Failed or incomplete" under Oxygen Sensor(s) in READLINESS section. Oxygen Sensor Heating is "Passed" but not Oxygen Sensor(s)... Maps that I've edited: CWDLSAHK @ 18613 SET TO 0 CDSLS @ 181B0 SET TO 0 CDLSHV @ 181AB SET TO 0 CDLSH @ 181AA SET TO 0 CDLASH @ 181A4 SET TO 0 CDKAT @ 181A2 SET TO 0 CDHSHE @ 1819F SET TO 0 CDHSH @ 1819E SET TO 0 CLRHK @ 121AC SET TO 39 (previous was 38) CLAHSH @ 10882 SET TO 0 CLAHSHE @ 10884 SET TO 0 CLALSH @ 108A3 SET TO 0 CLASLPE @ 108B9 SET TO 0 CLASLVE @ 108BA SET TO 0 Ofcourse there are no damos files for this ecu, so I have to find maps manually and that is hard especially for constant maps... So maybe someone with assembler skills could at least confirm that these addresses are OK?  BTW: My car is in soft limp mode (0.5bar) with secondary o2 sensor completely disconnected so I think that it is the problem here... |
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« Last Edit: December 22, 2011, 10:38:10 AM by masterj »
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s5fourdoor
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« Reply #1 on: December 22, 2011, 04:26:02 PM »
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you are right. this doesn't fix the check. however, if you run the set OBD codes, it will set them. then your oxygen sensor will read. go through the readiness and do the 35 steps and then recheck. i didnt believe it at first, but it works.
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masterj
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« Reply #2 on: December 22, 2011, 05:01:10 PM »
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Wait what?  What 35 steps are you speaking of? |
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s5fourdoor
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« Reply #3 on: December 23, 2011, 12:15:24 AM »
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go into engine on vagcom and "set readiness"
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masterj
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« Reply #4 on: December 23, 2011, 04:31:52 AM »
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go into engine on vagcom and "set readiness"
I've tried going through groups in basic settings and found that primary o2 sensor test never finishes (unless I lower rpm than specified 2000). Secondary o2 sensor test stops without any message (like it wasn't even started) |
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s5fourdoor
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« Reply #5 on: December 23, 2011, 02:35:59 PM »
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Are we referring to different menus? I'll try to get the "exact path" when I flash my car tonight for you to do the proper thing.
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masterj
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« Reply #6 on: December 23, 2011, 05:32:44 PM »
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Are we referring to different menus? I'll try to get the "exact path" when I flash my car tonight for you to do the proper thing.
If you're reffering to "Output Tests" then I did them. None of them tested o2 sensors, only n75, sai pump etc. |
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nyet
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« Reply #7 on: December 23, 2011, 05:48:00 PM »
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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masterj
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« Reply #8 on: December 23, 2011, 06:15:34 PM »
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Oh... My bad Never even thought that there is guided readliness... Hope my VCDS LITE has this option. Going to test it |
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masterj
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« Reply #9 on: December 24, 2011, 10:10:13 AM »
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Just checked READLINESS section of the VCDS, there is no button to start guided readliness... Any other instructions to activate readliness testing? I mean maybe someone could post instructions from vcds here... I could test them through basic settings...
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phila_dot
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« Reply #10 on: December 24, 2011, 10:13:04 AM »
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masterj
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« Reply #11 on: December 24, 2011, 10:15:28 AM »
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Nice! Thank you, gonna try these instructions.. |
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TTQS
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« Reply #12 on: December 24, 2011, 11:24:27 AM »
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My car is in soft limp mode (0.5bar) with secondary o2 sensor completely disconnected so I think that it is the problem here...
Sorry if I missed on a previous thread the reason why you are doing this. Is your post-cat oxygen sensor faulty or broken? If so, is this not a lot of trouble to code it out rather than just replacing it, even with a used part from a breaker's yard? TTQS |
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« Last Edit: December 24, 2011, 02:24:29 PM by TTQS »
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nyet
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« Reply #13 on: December 24, 2011, 12:32:59 PM »
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No. Coding it out is far, far easier and cheaper.
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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masterj
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« Reply #14 on: December 24, 2011, 12:50:40 PM »
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No. Coding it out is far, far easier and cheaper.
I have gutted cat and by the way I want to code it out not just use the fouler P.s>I've attached my current version, but haven't tested it yet... Looks like I have mixed up few bits in 18xxx zone in my earlier version... Dunno if it is correct now, but if you have some free time please open my file and tell me |
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