BMW E46 Ambient Temperature Sensor Replacement - A/C fix
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- Опубліковано 7 лип 2024
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This video will show you how to replace the ambient sensor on a BMW E 46 this will also fix your AC
created by Garage Boys for explicit use by subscribers and people in need only.
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Disclaimer: Due to factors beyond the control of GarageBoys, I cannot guarantee against improper use or unauthorized modifications of this information. GarageBoys assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. GarageBoys recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of GarageBoys, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not GarageBoys. - Навчання та стиль
if your steering wheel is on the right side then your cable is on the other side. I'm in the US my car is left hand steering wheel
Even after so many years you still save time and energy to figure it out where is the leftover from the cable 😅.
Thx brother!🎉
Thank you bro! There are about 10 videos about the same thing but no one actually pointed out what wires we needed to extract. The damn cable was completely gone. Worked like a charm.
Glad I was able to help man, if you can, help me back by liking and subscribing :-)
Awesome video, I had the same exact problem. The beeping is so annoying. Thank you!
Excellent video - Exact same issue for me - Previous owner had tidied back the wiring and neatly re-wrapped it so to stop it dangling - Thanks for the upload!!
Please Don’t Forget to like and subscribe 😃
Thank you! I’m going to try this! I changed the sensor awhile back ago..but I’m starting to think I may need to get a kit and change the whole deal. My AC won’t blow and it shows a minus reading as well…my heat won’t even come on when the minus shows up.
I just got this issue sorted with my Mechanic today . I thought I wanted a new sensor set but he managed to check and redo the wiring plus the connector exactly as shown in your video . He just charged me 10 KWD which is almost USD 35.00 and my Ac is back to normal . No minus temperature reading and back to normal 👍
awesome, glad I could help!
Thanks, I purchased a new sensor over a year ago. Mine ripped off as well and could find where the connector wires were. Now I'm back in business because of you... Thx
glad I could help! if you can, share the love back by liking and subscribing
Excellent. Very helpful and easy to follow. Thank you very much.
Glad I could help! Please like and subscribe 😃
Dude you are killer thank you so much for posting this very informative video
the thing that you mentioned that it fixes A/C was very important for me because my AC clutch isn't engaging and also have the -40F ambient temperature issue. hopefully replacing the sensor will turn ON my A/C as well. Thanks buddy. SUBSCRIBED
Just curious, did that fix your issue?
@@JJ-xo7zv Hi . Yeah I installed the ambient temperature sensor and connected the wires. The temperature is now shown correctly on the instrument cluster.
However the AC compressor still doesn’t turn ON only because the refrigerant level is low. The ECU doesn’t allow it when pressure is low .
The compressor is activated perfectly when i turn it ON separately using ISTA software.
I’ll just have to put refrigerant and hopefully it will turn ON simply by the AC switch .
At the moment the refrigerant pressure sensor voltage is 0.83V and it should be above 4.5V so that ECU allows the compressor to engage .
Very nice video! Thank You very much indeed! 👍
Thank You so much. Your video saved me a ton.
Glad I could help! If you can, help me back by liking or subscribing 😃
thank you!
really good video, helped me a ton, i have the exact same issue
Glad I could help! If you can please like and subscribe 😃
Great video but if you are like me living in the uk, I spent around 5 hours pulling up wires etc on the passenger side like in the video but on my e39 530d msport it's on the drivers side the right hand side again on.the fog light harness
Thank you
Thank you a lot for the video!
Glad I could help.... have you considered liking, subscribing and donating??? Doesn’t have to be done in that exact order...
I been needing to see how this is fixed and it makes sense
Easy job
Thanks very Helpful
Glad I was able to help! If you can, please like and subscribe
Perfect Bro thanks
Glad I could help! If you can, like and subscribe 😃
Thank you!!!!
I had a problem with the drain out bolt the one next to the coolant filler cap, I had to replace it and found my engine bay full of coolant. I heared this is a common problem, engine temperature went up to 103 celsius, now it stays around 87 at idle, but I am a bit concered and so sad about this, I never had any problem like this😑😥
yeah good video but wire goes to what side blue/purple purple/blue stripes ? I t's not random,so what side goes where?
can u plug it in without the harness ?
I figured it wasnt really that important but i am also having that a/c problem and was going to recharge the a/c but im gonna change the sensor instead and see if it foxes the issue
hey i know this is old video, but 2 weeks ago i went on a drive to another city, and it was snowy in that area, mid road i get a -40 Celsius fluctuation, i stop on right side turn engine off turn engine on, does it again a few times then never again. I go back home 2 days later, AC working perfectly no -40 error anymore i park my car in my yard no1 touched it for 2 days then i turn it on and try to go to town, and my AC now doesn't blow any air, being it cold or hot.. like the blower motor doesn't spin at all... is it this sensor? cause i checked all relays and i checked all fuses and all are fine, i don't want to go and swap the FSU cause i don't know how to test if that FSU is bad or not since is a piece of a aluminum part that makes no noise. and the motor is way is encapsulated and i can turn it easily by hand from outside and i don't want to fk it up where it is ... would this senzor be the fault? to mention now there is no error -40 is fronzen outside right now winter time right... but no temp indicator in dashboard no bipping noise nothing AC controller turn lights on all button work fine increases decreases on display fan speed but the motor for the AC doesn't blow air in or turns on... is weird... i don't want to replace the motor or the FSU cause both of them are worth more than the car if i buy them OM
So it’s on the drivers side? I thought it was the right because I have two wires hanging? What could they be I know it’s not the fog light ?
You saved me so much money thanks
I’m glad I was able to help! :-)
Hey, what color is that E46?
Nice watch..
Thx 😃 👍🏻
Did the placement of the wires matter? Positive/negative? Or you can place the two for the sensor either way and it works? Thanks for the help.
It doesn’t matter, either way will work
Hey I saw your airbag and seatbelt light is on? Mine is too just like yours. How did you end up shutting it off ?
I had that too but intermittent. It was the passenger side occupancy sensor. It is a mat inside the seat. You can bypass it with a emulator you can plug into the connector below the seat.
Does it matter which wire goes where in the plug? I’m gonna be soldering so I don’t wanna mess it up.
No it doesn’t matter, you can put them either way
I have an 08 bmw 328i the ambient sensor is connected on the driver side or passenger side ?
Driver side
I have this same symptoms in my 2013 535i except the car in limp mode is this the same thing?
It sounds like it’s a different issue
So my AC fan doesn't blow air at all. I replaced both my resistor and my blower motor. My ambient temp sensor is bad for sure but will it let me use my ac again?
Yes your problem is the ambient sensor, it’s telling the vehicle that outside is very cold so the vehicle won’t turn on your A/C. You have to replace the ambient sensor
@@GarageBoys Thanks. I hope this works because I'm going to sell this thing if it doesn't hahaha
Check the FSU as well
That little yellow sleeve Is finicky. Get all the copper wire in the hole and twist it on. Makes it easier
My sensor fell off, but I found it..so can I just plug it back on the wires where it was connected, it shouldn't be problem with that, right?!
If your sensor is still good then yes plug it back, but new sensor is not expensive. Check the link in the description
Awesome video! Question, what style rims are those? Look nice on the e46.
Style 72
Hi so when I replaced the sensor only, the +122 degrees and -40 degrees didn’t show up anymore, but there’s now just 4 horizontal lines that show up instead of the right amount of degrees. Does it mean it fixed or should I recheck it still?
It kinda looks like this: _____-_____
Recheck it, it’s not giving a signal
@@GarageBoys alright
@@GarageBoys there wasn’t any click at all, I bought a harness as well so maybe I can replace the harness as well.
I just found two mysterious wires at the right/passenger side of 2003 325i fog light /horn bundle, Canadian import, so wondering if someone knows what these might be for? I'm just to check for temp sensor wires at the left, hope I'll find them, otherwise ill suspect mine sensor was at the right side?!?!?🤔
My vehicle had the steering wheel on the left hand. If you have a right hand steering wheel then your sensor is on the right
@@GarageBoys my car is with left hand steering wheel (Canada eh😀), so it should be on the left. Thanks brother!
I have the same temperature sensor problem and my fan doesnt blow at all, is that normal?
By fan do you mean the a/c blower?
I think she/he means fan clutch cause that what happen to mine
Then it’s probably because the vehicle believes it’s under very cold temperatures so it doesn’t turn on the fans
Hey bro my sensor fell off of my bmw and my “service engine soon” came on. Is this normal?
It’s very very common
Garage Boys thank you for replying! I noticed the one in the vid didn’t have the light on and every mechanic wants to charge me 200+ smh. Will the light go turn off if I do it myself?
It took mine 2 months to finally start giving a reading, would stay at 110. And when raining jump to minus 40. Talk about finicky electronics
So i think i have this problem check engine light came on then i noticed like 2 weeks later my car will try to overheat on me only in idle my fans dont turn on could it be this sensor is responsible for telling the fans to cool my engine to spin
Yes, what temperature does your dash board say?
@@GarageBoys 37
Best fucking advice ever
Right on! I’m glad I was able to help!!!
'Go back home'....lolololol
You didn't cut the wire to fit perfectly. You cut too much. Seal must be crimped together with terminal. Cut the wire 5 mm or less. Put the seal and terminal together. With first wings on terminal crimp the wire and with second the bigger one crimp the seal. You can find on internet picture of terminal with the seal and you will know how to fit them. Good video but your crimping is really bad.
Yes, I noticed the crimping and wire being to long in the crimp too !