Zaid
Finding my way
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@Breezy_Pete oh okay, thank you so much for your guidance. This car has become super annoying suddenly.
- 30 replies
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- air conditioner
- bcm
- compressor
- ecm
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Hey @Breezy_Pete, as suggested by you I ignored the control module error and went ahead and fixed the wiring for the outside temperature sensor and the problem still persists. I was reading somewhere that the compressor needs to be calibrated or that an adaption must be selected after a compressor change to tune the ECU and compressor. Will I have to do this? Can that be the problem? How do I proceed from here? please help. Thanks
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Hey @Breezy_Pete, sorry for the messy images. I don’t seem to find the text file of the scan, however I can go ahead and type the data that is in those images for ease of access for everyone. Before cooling stops coolant fan stage 1 ON coolant fan stage 2 OFF compressor load 85% comprossor shut off 0.0 refrigerant pressure G65 12.6 bar After cooling stops coolant fan stage 1 ON coolant fan stage 2 OFF compressor load 0% comprossor shut off 12.0 refrigerant pressure G65 7.4 bar Can the outside temperature sensor wiring cut off be the reason for EcU to give the shutdown signal to compressor? what else will I have to check to pin point the error if this doesn’t work(I ask because this error was not there earlier but the problem of AC still persisted. I suspect this to be a new error arising out of rat bites from when my car was parked at the technician) please help me @Breezy_Pete,thank. I am very grateful
- 30 replies
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- air conditioner
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Hey @Breezy_Pete, I got my kkl cable and I got an opportunity to test the shut down code on my car as suggested by you. Turns out I’m getting shut down code 12. Both the stage fans are being switched on as well. How do i proceed with diagnosis from here. Please help me. I also noticed that the outside temperature sensor that comes in the left part of the bumper has been cut off die to rat bite (I’m going to fix it - can that be an issue as well), Also when the car is being driven I’m getting an internal control module error. I’ve attached the images of the scan. The other errors like high pressure sensor error, etc were cleared upon clearing the codes however the internal control module error continues to pop up even after clearing after driving the car a bit. - https://www.transfernow.net/dl/20241017cnoRMwgo
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The fans are spinning at low and high speed. Atleast thats what it looks. Immediately switching off and igniting the car again starts the AC cooling. If the car was heating- the AC wouldn’t start almost immediately after it was switched off and switched on, right?
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Okay so now there is another update. I have changed the expansion valve, condenser, and compressor since this system was contaminated. But unfortunately, the ac still shuts cooling after 45 minutes. This is super annoying, no electrical fault reported in scan, ac system completely flushed and replaced. Ugh!
- 30 replies
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Actually the 00898 error popped up today on the official authorised dealership scanner. I have attached a pic of the scan. I thought you noticed it. Sorry
- 30 replies
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Yes I’m aware of the systems of replacing the left component with a pressurised system and the right thing needs to be replaced with removing the refrigerant and charging it again. The temperature of the surrounding was 28-29 degrees centigrade. Could it be a wiring issue or the power switch to the compressor malfunction. When i search for the error 00898, it shows videos of the switch.
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I mean i changed the high pressure valve. Sorry my bad. The high pressure switch is what I was told. I’ll attach a pic of things i changed. Have a look. yes you are right the second photo of the manifold was immediately clicked as soon as the cooling stopped(you couldn’t feel the car getting warm yet, it will take some time) if i waited further in sure the compressor wouldn’t start again and the gauge reading would change.
- 30 replies
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Hey @Breezy_Pete, it will still take a week for my generic kkl cable vag com to arrive from china. meanwhile I took my car to the authorised dealership to run some test and this is the test that came out, i have attached it with this post. i have also attached the before cooling goes off and after cooling goes off low and high pressure on the manifold. Have a look. Thanks
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I’ve ordered a kkl cable which will take 7 days to arrive. Turns out it is not very easily available in India. I will look for local shops as well tomorrow. Just curious if this device will work too - https://amzn.in/d/a5LgFbW - looked interesting. Let me know. Thanks
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Okay thanks a lot @Breezy_Pete. I’m going to get started on getting you the info. Thanks
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Okay ill get back to to you with what it says. Thanks Ps -just curious what is a better problem, if they compressor does shut off or nah? Thanks
- 30 replies
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Okay i can connect the kkl cable to the free version of vcds. And then run a scan before the compressor cutting off and after it cuts off, if the compressor says shut off it is wiring problem it it doesn’t says **** off it is compressor problem. Am i right? Sorry for explaining it in a noob way. Thanks
- 30 replies
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Thanks @Breezy_Pete, do you think i can set up vcds and study it on my own? Can i fix this on my own? I don’t have much knowledge regarding low pressure and high pressure and gas, etc. I’m not getting a technician good enough to do this. Please help. Thanks
- 30 replies
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- bcm
- compressor
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