yashsingh1/xdaforums huggingface dataset:
[MTCD Android Head Units General] dcman008:
Subaru Impreza line up for 2004(first year they offered the full line up in the us) has a variance of 10% (205, 215, 225) this may be an out of the norm but its a car line I know best.

Again yes and no on the output shaft sensor. Some cars have the output sensor my 02 WRX has one on the drivers side front. Cars with fancy traction control have them on each drive wheel(all 4 on newer WRXs).

On my 1995 Ford Ranger the sensor was in the top of the diff and never reached the ECU it plugged directly into the gauge cluster. I had to replace two of them on mine: One when I went long travel and it was pulled out of the top of the diff and one when it freaked out and showed me going 40 when parked. late 90s Ford F150 automatics are also different they had sensors on the trans output and the rear diff. The transmission would read the output shaft speed and the speed of the ring gear to determine shift points then send that info to the gauge cluster, again by passing the ECU. This became an issue if you re-geared or swapped out the Ford 8 or a 9in. When we put a 9in in my friends F150 we had to have ring cut with the same number of lands and groves as the stock ring gear weld it to the drive shaft and mount the sensor above it.

Just because newer cars(2004 I think that is when OBDII was required) have speed sensors that connect to the ECU. Dose not mean that the DOT rules were updated or that cars from the olden days are off the road.
[MTCD Android Head Units General] newell63:
Hello.

I have the new model for audi A4, anyone know if someone will make a rom for the new Joying or just an app radio like MTCFLATRADIO?

Thanks
[MTCD Android Head Units General] dcman008:
No software in the 90s Fords. You can fallow the leads from where the plug into the back of the gauge pod to where they connect to the speedo dial its an analog system. They way I understand how the system works is as voltage increase or resistance decreases the indicated speed increases. Something along the lines of a magnet in the sensor and one on the ring gears teeth. As the ring gear spins faster it creates a higher current or lowers the resistance. In the end the result is the same, more power gets to the needle moving it.

STI suicide car? STI ~300 HP vs WRX ~260. Better breaks, suspension, airo, and tires on the STI I would call it the safer car. Think the real issue is the divers, STI attract a larger number of "special" people.
[MTCD Android Head Units General] CadillacMike:
No offense, but can we get away from cars and speedometer and whatever and get back to the newer Joying units
[MTCD Android Head Units General] marchnz:
In not, you're apparenly not a lawyer either thus refer to my post to not assert nonsense legal advice.

To assert your position is rather naive.
[MTCD Android Head Units General] doitright:
My point is correct. I am suggesting that you go to a lawyer and pay him to, effectively CONFIRM.

Since you clearly don't know the law, that really is your only option.
[MTCD Android Head Units General] marchnz:
No that's not the case, but to keep asserting that doesnt make it so. Seems to be a common thread in your posts.

" If you get tagged at 60 in a 55 and your radio reads 55, then you get off. If you get tagged at 70 in a 55 and your radio reads 65, then you get hit with 10 over instead of 15."

Really, think about that for a moment. The argument is so logically fallacious and naive to assert it as so. Your argument falls over one the first test - validating the speed reading of the certified equipment that the officer has verified your speed vs "chinese GPS". Thats almost as halarious as the Joying Post claiming they're manufacturing units with "corning gorilla glass". But hey, make a flippent assertion claming it as fact and prepare to be tested.

If you still think your "chinese head unit" defense might hold up in court, well good luck to you, but suggest you *dont* assert it to be fact or law to others.

You are however correct that a lawer would answer it and prove it, but you made the statement and the burden sits with you. I suggest retracting the comment.
[MTCD Android Head Units General] doitright:
Really? So points and condensers? Carburetors? I'd be surprised if something like that would be able to qualify for emissions... You pretty much couldn't make a completely non digital car past the mid 80's that was still legal.

Those toothed gears aren't analog. At least not in the way you are imagining. They actually create a digital pulse up the wire, the number of pulses within a sample period corresponds to the speed the shaft is turning.

... From the point of view of stylistically appealing to that certain special demographic. Personally, from my point of view, those are about 200 HP more than a car that size should be. I mean there is no legal way to use that all!

---------- Post added at 05:10 AM ---------- Previous post was at 04:59 AM ----------

Once again, a complete lack of understanding of the law. It doesn't have to be a VALID reading, it only has to be a reading that is CLOSE ENOUGH that you could HONESTLY BELIEVE.

It is a very similar concept to INTENT. There is a legal difference between INTENDING to do something, and ACCIDENTALLY doing it.

If your gauges are reading wrong, but not so far wrong that you obviously would know that they're wrong, then you didn't KNOWINGLY drive too fast. It was UNINTENTIONAL.

If they can't assert that you would have been aware of your situation, then they CANNOT CONVICT.

Oh, one other thing... The cop equipment "certification" is only provable at the MOMENT of calibration. It will only be taken as true if (1) the proper process and records are provided, and (2) without any contradictory records, which includes chinese GPS.

You should also look up the legal president for use of GPS traces to combat speeding tickets. Fact is that they have been used successfully for this purpose for many years, all over the world.
[MTCD Android Head Units General] dcman008:
I know, I wish someone would open some sort of prepared course or circuit where someone could do that. Or public lands where one could use vehicle that were not designed for highway so no silly rules about speed and safety. /s

On topic my Joying showed up today. Can't put it in tell after Xmas.

Are the pin-outs on aftermarket radios standardized?

Joying doesn't offer an adapter for my car.

But from the looks of it the Joying and my current Sony HU use the same plug.

BTW no sub, CANbus or steering wheel controls in my car.
[MTCD Android Head Units General] marchnz:
The only 'complete lack of understanding' I see is above.

I think this discussion has run its course. Good luck out there.
[MTCD Android Head Units General] doitright:
I suppose that I should expect the kind of ignorance that you are exhibiting. After all, if everyone understood the law, then they wouldn't need to hire lawyers to defend themselves -- they'd be able to do it themselves.

---------- Post added at 02:39 PM ---------- Previous post was at 02:22 PM ----------

And that accomplishes.... what?

You spend money on fuel to drive around in circles, end up at the same spot where you started at, but poorer.

So the objective there is....?

At least bench test it, remember that the quality control and after purchase support may not be what you would expect from mainstream brands.

Eh, well I suppose that it depends on what you mean by "standardized". I would honestly be surprised if Joying and Sony matched up. I suppose it could be that Joying "copied" the Sony, chinese manufacturers are well known for copying products, in whole or in part.

In upgrading from JY-UL135 to JY-UL128N2, the "joying" plug was simple disconnect from the back of the old and plug into the new. Of course, I stayed within the same BRAND. When I originally switched from a POS kenwood to the JY-UL135, there was absolutely nothing in common.

Generally, aftermarket radios (both chinese and mainstream) will follow a standard color coding pattern, for the most part. On a russian forum via google translate, I read that some of these latest Intel ones (don't know which brand, my Joying was color coded correctly) may have reversed the yellow and red wires though, so verify EVERYTHING.

The aftermarket radios come with a pigtail plug that connects into their radio. You can purchase another pigtail plug that matches your car -- check amazon, check metra, heck, check your local walmart or bestbuy even!

Also heat shrink tube, rosin core electrical solder, and electrical tape.

Then you just match up the wire colors (after verifying and correcting for any mistakes) from the car pigtail to the radio pigtail, and solder them together.

Note: The car pigtail may or may not come with STEERING WHEEL INTERFACE connections. On both my Toyota Tacoma, and the wife's Subaru Forester, I had to make my own hookups to the SWI by teeing a new socket into the car's wiring harness. The car's wiring diagram is critically important for this, and typically, at LEAST the part of it that corresponds to radio hookup will be posted to some forum that focuses on that car.

Also one more word of caution... some cars have factory built in amplifiers. These need to be dealt with somehow. If your car has one, then you need to figure out what mechanism is used to turn it on and off. If you're LUCKY, then its just a 12 volt trigger line. If you're UNLUCKY, they may have some wacky interface you will have to deal with, using an expensive converter box. Since you already have a Sony in there, you can get this all figured out by looking at what is hooked up there.
[MTCD Android Head Units General] marchnz:
Be sure to post your next speeding infringement experience after explaining it first to the police officer and then judge, it's those people you will need to prove your version of the "law" to.

I note that you haven't proven anything and you certainly haven't demonstrated knowledge of "the law" - plenty of anecdotal assertions without any basis in fact / argumentum ad ignorantiam.

As I posted, it's apparent you believe your chinese head unit GPS defense is backed by 'your interpretation of the law'; but it isnt so, haven't demonstrated so with fact. For these reasons and that you're clearly not a lawyer or someone with knowledge of the law; I suggest you dont give legal advice here.

But keep professing your authoritative and insightful knowledge on most subjects here; it makes for entertaining reading :)
[MTCD Android Head Units General] doitright:
Your assumptions are invalid.

GPS traces have been TESTED IN COURT MANY times and hold up against police accusations.
[MTCD Android Head Units General] marchnz:
Not in the context you claim. WRITING IT IN CAPS DOESNT MAKE IT SO. The burden of proof is with you to list the applicable laws and back it up with actual case precedence.

To clarify, I say your claim is nonsense that the police/courts would agree with you if you argued your chinese GPS displayed a lower speed than certified police speed enforcement equipment where you were cited for speeding.

You would have a MASSIVE and exorbitant uphill battle to argue against. To which your have been unable to provide "world" case law and legal precedence but instead told me you are "right", "many times" without fact and your argument and proof is simply that I dont understand the law.

I request you stop giving legal advice and retract that advice. To provide such inaccurate and naive advice is not helpful to anyone.
[MTCD Android Head Units General] doitright:
Context is irrelevant.

If the GPS trace doesn't fit, etc.
[MTCD Android Head Units General] dcman008:
Objective: Fun.
[MTCD Android Head Units General] doitright:
Road vehicles can't be fun. The notion of something you use to drive to work being FUN just doesn't compute.

If you want FUN, get a boat, or a snowmobile, or a dune buggy, or whatever is appropriate where you live.
[MTCD Android Head Units General] dcman008:
I do not understand "drive to work" eli5.
[MTCD Android Head Units General] fado5:
OK so back on topic again...

I'm looking to get one of these as I just sold my Kenwood with Mirrorlink as it was pretty crap, true Android is more what I was looking for anyway..

So I have a few questions for anyone that would be so kind as to answer for me..

1: Is joying my best option for an Android HU?

2: On the joying website under 2 Din 2gb I have a few options, all of which look the same but have slight variations in price. Whats the difference? Avoiding the touch only options because I like to have some buttons/knobs.

3: if I connect a USB stick with some video files on it and download MX Player from play store will if play the files? .avi .mp4 or whatever?

4: Is the sound quality ok? I'm not looking for amazing but I have got decent speakers put in my car, components, tweeters, 6x9s, amp, 12' sub. Will all of this run well and sound pretty good?

5: Can I just install a launcher (Nova or something) from play store if I want to customize some more or do I need to root or anything first?

6: Are there any annoying problems that are in every HU? Wi-Fi or radio not working or something like that? I know there can be a fault which I will test and return if required but something wrong with ALL units?

7: I'm looking to keep the price under AU$300 (US$223) but get the best bang for buck, I'm not pushed on size really as I would like to keep it standard double din so I can move it to other cars and not worry about a 10 inch covering A/C controls or something.

Which should I choose?

Thanks guys, can't wait to get one of these up and running!!
[MTCD Android Head Units General] wanb1i:
Answers in line above.
[MTCD Android Head Units General] CadillacMike:
I would agree with all of his answers, I am on my 2nd Joying and have been very happy.

Make sure you get the 2GB of RAM model
[MTCD Android Head Units General] fuji_T:
does anyone else think that the screen is pretty bad? I just installed the 8" head unit (at night) and the color is very blue and missing a lot of detail. The unit also seems very slow - it took a couple of minutes to update google play services.
[MTCD Android Head Units General] KamaL:
Which version is it? What cpu? How much RAM?
[MTCD Android Head Units General] fuji_T:
it's the intel SoFIA one (JY-ULS01N2) with 2 GB of RAM.

Using the head unit reminded me one of those super cheap android tablets.
[MTCD Android Head Units General] KamaL:
I haven't received mine yet so I can't judge. I don't expect amoled or retina display quality though.

I noticed on some videos that in rear view mode there's supposedly a parking sensor monitor. Can it be installed on Universal units with aftermarket sensors? Does it work at all?
[MTCD Android Head Units General] demo84:
Im still having problems with illumination but thats due to my car issues with wiring

Other than that Im happy with my HU and all my friends seems impressed
[MTCD Android Head Units General] CadillacMike:
Maybe you got a lemon? Mine is not Samsung SuperAMOLED quality, but nothing blue looking
[MTCD Android Head Units General] wanb1i:
Check to be sure the plug is "locked" into the back of the screen first, if that doesn't fix it, contact wherever you bought it and Send it back, my 8" doesn't have any of those issues! Here's a video (2nd post) of my 8", see what you think. Of course this was done in the daylight. http://xdaforums.com/android-auto/m...-cpu-heres-specs-t3468322/page41#post69699725
[MTCD Android Head Units General] rhino6303:
How do you turn off the parking brake safety function? Is this just a setting or is there a wiring change needed like on other head units?

Thanks.
[MTCD Android Head Units General] CadillacMike:
I think it is under CarMedia Settings
[MTCD Android Head Units General] wanb1i:
Mike, did you install the update? Once I installed the update, my ODBII connected fine. Be sure to go into BT Settings and set the passcode to 1234 and Confirm on the HU, then connect the ODBII and use the 1234 passcode. Mine connected on the 1st try. But it does require the update. :D

---------- Post added at 08:54 AM ---------- Previous post was at 08:40 AM ----------

ODBII actually was introduced in the US in 1996, FYI....
[MTCD Android Head Units General] CadillacMike:
I just did the December 8th update yesterday. After that it connected fine

First the OBD then my phone
[MTCD Android Head Units General] CadillacMike:
My only complaints at this point would be that I still can't seem to be able to disable the built in apps like I could on the MTCD. Take their Browser for example. I can go in and disable it, but then it immediately comes back.

Then there is that weird issue where you can't see the full Notification for Spotify or Google Play Music. Like if you pull down the Notifications area you should be able to see the song playing, pause it or change the track. Now it is almost all white so you cannot see the controls. This also worked on the MTCD.

And i have only used the December 8th update for about 20 minutes, but that stupid dot for the touch assist kept coming back even though I would uncheck it.

All in all I love the new Joying
[MTCD Android Head Units General] Bracket_47:
I was also having GPS issues until I relocated the antenna to a more exposed location, then it worked well. As well as no voice with the latest version of maps, there are no spoken responses from the voice search apps, like Google search and Play Music ("ok google" searches). Maybe a problem with google play services?
[MTCD Android Head Units General] CadillacMike:
Pictures of the update process
[MTCD Android Head Units General] CadillacMike:
Showing in Torque
[MTCD Android Head Units General] fuji_T:
The screen is locked. In your video, your screen looks pretty similar to mine, but at night, there's a blueish tint. I think it's probably calibration - when I am driving and the waze speed is red (which is pretty much 100% of the time), you can also tell that there isn't enough red. I think it's just a combination of not the best display and not so good calibration. I was able to adjust the contrast so that it's not too bad. I might call joying for a replacement or a refund. Haven't decided yet.
[MTCD Android Head Units General] doitright:
Let me guess... your mommy bought you a car?

---------- Post added at 02:39 PM ---------- Previous post was at 02:38 PM ----------

It *IS* a super-cheap Android tablet.

The only thing good about it is the impact that Intel has had on the CPU.

The extra slow updates problem is primarily a result of INCREDIBLY bad flash memory performance.

---------- Post added at 02:43 PM ---------- Previous post was at 02:39 PM ----------

There IS NO difference.

They are all exactly the same.

Steering wheel.

Good luck with standard DDIN then, because these chinese manufacturers do NOT conform to DDIN. They are considerably bigger than DDIN.

If you want a DDIN Android device, your best option will be a parrot asteroid smart, but those are really obsolete.

---------- Post added at 02:46 PM ---------- Previous post was at 02:43 PM ----------

You wouldn't want AMOLED with the rest of the display specifications that these have. Most AMOLED, and particularly CHEAP ones, CHEAT on the resolution by using a screwball pixel matrix that only reproduces GREEN in full resolution (red and blue are HALF resolution). At 1024x600 on a 7" display, it would make your eyes bleed.

apple "retina" is just cheap LCD. No different than what joying sells.

---------- Post added at 02:50 PM ---------- Previous post was at 02:46 PM ----------

The Dec 8 update fixes GMaps.

I also notice no problem with the GPS. Basically shows a clone of what I see on my Nexus 6. Same speed, same location, same everything.... which if you understand how GPS works, actually makes perfect sense.

My guess is that for those having gps accuracy problems, they're probably not actually using GPS.
[MTCD Android Head Units General] CadillacMike:
i definitely see an improvement of Google Maps after getting the December 8th update
[MTCD Android Head Units General] tony replies:
Hey thanks so much for the instructions! I will try this out.
[MTCD Android Head Units General] petrovin:
This https://www.carjoying.com/joying-automotive-2gb-ford-focus-mondeo-black-car-stereo-replacement-7-inch-double-2-din-pip-touchscreen-aftermarket-head-unit-new-android-5-1-1-lollipop-gps-navigation-fm-am-rds-easy-connect-entertainment-system.html was the HU I was waiting for :D. No CD/DVD, Android, with 2Gb of RAM. I just need to wait for the stock in EU wearhouses.

I read all your posts and I thank you for all the reviews. Can someone tell me a little more on FM radio reception. Is it good - bad. These Chinese HU are having different radio IC's. Joying is using Philips TDA7786. I would also like to know where did you install GPS antenna/receiver in your car (is A or B pillar OK?)
[MTCD Android Head Units General] doitright:
The GPS antenna has a magnetic base. I just stick mine onto the top of the head unit itself inside the dashboard. Most dashboards are made of plastic, which doesn't block the signals.
[MTCD Android Head Units General] KamaL:
That's great to know. I always thought you had to stick it near a window or on the dashboard to get good reception.
[MTCD Android Head Units General] doitright:
In theory, it probably is better to put it on a roof.

In practice, it makes no practical difference.

FWIW: This way it *is* near a window. Probably wouldn't work too well if you stuck it to the BOTTOM of the roof in the middle.
[MTCD Android Head Units General] petrovin:
So, what about radio reception (FM)? Can anyone share his/her experience.
[MTCD Android Head Units General] doitright:
Hard to say. I only use AM radio, and unfortunately, the radio application has the thing locked to either region 1 or 3 (9 kHz spacing), and I'm in region 2 (10 kHz spacing) so my preferred station is 2 kHz higher than the closest it will find.
[MTCD Android Head Units General] KamaL:
I listen to FM radio stations quite frequently, I'll report about the quality once I get my unit
[MTCD Android Head Units General] pajo985:
and nobody talks about sound :D

so, how is SQ of these units?

are they at least comparable with low end brand units (kenwood, pioneer, etc), or really bad?

and what about phonecalls sound quality? (does mics picks a lot of noise from road, etc?)

I love idea of Android in my car, but good sound quality is top on my list :)

thx!
[MTCD Android Head Units General] CadillacMike:
I have had 2 Joying Head units in my Jeep, both sound substantially better than the OEM head unit.

Bluetooth phone calls do not sound as good as the original factory setup. The old MTCD units sounded pretty terrible. However the 2GB of RAM units don't sound too bad.
[MTCD Android Head Units General] jonssoni83:
I have 9 inch 2gb model for my Skoda, and I mainly think it's great. But I have few issues.

- Now when I press phone button on my steering wheel it goes to bluetooth app, as it should. But it mutes the music right away. On my last Joying unit it muted the music when I dialled and called. Really annoying.

- Search from bluetooth app contacts doesn't work. And gives me some error, like I had too many contacts. (I have 587)

- It doesn't reduce volume when I turn to reverse

- Radio app does now only show big numbers, but no radio RDS name. Well, it shows the name on small font, and I know I can save the station name so it shows on the list.

- Screen DPI is messed up? Spotify controls, Play Store and others seems to have too small font and too small icons for car usage.

Having same issues?