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HA2158-V840-8 Dasaita Reverse Camera Question

Hello experts,
I have a 2013 Jeep Wrangler with the 6-speed manual transmission.
I am having an issue trying to get the head unit to automatically switch to the reverse camera when I place the vehicle in reverse.
I have wired the system up as described by Daisaita because my canbus decoder does not sense the reverse input from the canbus. (Example of wiring attached)
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The camera works and I have verified that I have 12vdc present at the orange "trigger" wire, that is labeled as "reverse" on the head unit, when in reverse.
I have been through all of the settings and cannot see anything that might affect the unit not switching. Could it be a wrong canbus setting under factory settings?
Any help would be appreciated.

pingjockey691 said:
Hello experts,
I have a 2013 Jeep Wrangler with the 6-speed manual transmission.
I am having an issue trying to get the head unit to automatically switch to the reverse camera when I place the vehicle in reverse.
I have wired the system up as described by Daisaita because my canbus decoder does not sense the reverse input from the canbus. (Example of wiring attached)
The camera works and I have verified that I have 12vdc present at the orange "trigger" wire, that is labeled as "reverse" on the head unit, when in reverse.
I have been through all of the settings and cannot see anything that might affect the unit not switching. Could it be a wrong canbus setting under factory settings?
Any help would be appreciated.
Click to expand...
Click to collapse
I have the same problem with my Nissan Rogue. Just connect the reverse cable with 12v but nothing happened. It is as if the player did not detect the presence of the camera. I would appreciate any help.

Cam only working via app
I have a Suzuki swift sport with a dasaita head unit. I have the camera to the reverse light via a rectifier suggested at time of purchase of the camera. The trigger wire is connected to the reverse light power before the rectifier. When using a voltmeter while the reverse light is on I get no voltage through it (this is strange?)
On the other end of this, when the trigger is spliced into the ACC (direct power) and the video from the camera is connected to the video in, I only get an image through the video app while in reverse. This is despite constant power from the ACC cable when not in reverse.
If I move the trigger wire to the reverse wire the camera no longer works.
If I move the rca to the CAM In with the reverse cable the video doesn't work. (this is the normal set up as in instructions)
If I join the reverse cable to the ACC cable, this voltage triggers the head unit to go to reverse mode without an image. Just the yellow triangle.
So
1. the camera works
2. The car going into reverse triggers the camera to work
3. Adding voltage on the reverse cable makes the head unit go into reverse camera
4. I can't get an image from the camera unless I use the video in app

Hi, I'm looking for pinouts of RCA out of Dasaita units.
Can someone send a picture here?
Thanks

HW8227L-3.3-SW0-1.9 Head Unit - Always cold boot

Hey, New here.
I bought a android head unit for my Mercedes, installed it fine, but there wherent any can-bus adapters with it, so I had to reroute the acc to the AC, so it gives out 12v on startup. That works perfectly, however, I am wondering why it cant be in standby mode for a wile, why it turns off? its ok that the ACC cable cuts the power to the screen, but I thought the direct line(BAT) would keep it alive and in standby.
Is there anyway to get around this?
Here is the link to the unit I bought: banggood.com/10_1-Inch-2-DIN-Android-7_1-WIFI-Car-Radio-GPS-Navigation-Audio-Stereo-Car-MP5-Player-p-1432315.html?rmmds=myaccout-bottom-alsolike__1&cur_warehouse=CN
Thanks for helping

Take a look into "extra settings" -> "Shutdown delay if ACC OFF". There you can set it to "Auto sleep".
After that the unit should be every time in standby mode. For me it works fine.

le_mi said:
Take a look into "extra settings" -> "Shutdown delay if ACC OFF". There you can set it to "Auto sleep".
After that the unit should be every time in standby mode. For me it works fine.
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Thanks, but I cant find any "extra settings". Ive tried to use the car settings, factory settings etc, but nothing there either. And since its a MB, and the unit isnt "compatible" out of the box, the system dont have MB settings in the factory settings.
And one more thing, it is really slow. using google maps, apple music and the launcher at the same time, its horrible. it should be able to run those 3 things at once.

As I can see in the description of the seller it is a quad core with 2 gb ram. I had an unit like that too and it was really slow. This was the reason why I bought me a new px5 with 4gb ram and octa core. This is very fast.
Are you sure that you don't have an option called extra settings?
On my old PX3 which had the same conditions like yours there was the option available.
Can you post some pictures of your settings screen!?

YodaAlmighty said:
Hey, New here.
I bought a android head unit for my Mercedes, installed it fine, but there wherent any can-bus adapters with it, so I had to reroute the acc to the AC, so it gives out 12v on startup. That works perfectly, however, I am wondering why it cant be in standby mode for a wile, why it turns off? its ok that the ACC cable cuts the power to the screen, but I thought the direct line(BAT) would keep it alive and in standby.
Is there anyway to get around this?
Here is the link to the unit I bought: banggood.com/10_1-Inch-2-DIN-Android-7_1-WIFI-Car-Radio-GPS-Navigation-Audio-Stereo-Car-MP5-Player-p-1432315.html?rmmds=myaccout-bottom-alsolike__1&cur_warehouse=CN
Thanks for helping
Click to expand...
Click to collapse
same problem, mine is android 8 GO after just 12 second it powered in cold boot. does any one have a solution to this problem?
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Question some errors in my head unit

My car Peugeot 301 model 2015 and use on it winca 360 head unit
I am try to make my steering work with it but I cant , try everything like : change canbus , and change android software But the problem is still there
1- can't connect to canbus its say unknow protocol
2 - open and close doors didn't show in screen
3 - radio signal is so bad
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You need to select a different Peugeot model within the settings and experiment which works best. I have a 308 (2009) and for me the best is the 408 model, even though there is a 308, it's not great.

Tried all settings and still the same problem
I tried to change the can bus and bought 3 types of rzc - xp - hiworld and it still not works
I tried to install the old radio to make sure that the multimedia is working and really working
So far I have not been able to find a solution to the problem, and the strange thing is that it was working at the beginning of my purchase of the device and stopped working two days later

@surfer63 I hope you will find a solution to this problem

mo7amady said:
@surfer63 I hope you will find a solution to this problem
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No, I don't have one. CANbuses per car are really specific, there is no general approach here (and I have a Skoda Octavia, a VAG type car, which is not even close to your PSA concern car)

Thank you for your reply
Do you think that the problem could be in the device’s software and are there ways to find out the main cause?

Have you solved your problem? My issue is that since installing my new Xtrons unit I am receiving multiple Can Bus errors in my van itself. They seem random but I have read that wiring issues in the head unit can short the CAN creating systemwide errors. My plan is to test bypassing the CAN BUS entirely for now.

Question Kia Sorento 2016 - Teyes CC3 - Canbus for headunit with amplifier - SCREEN TURN OFF

Hello people!
I have purchased a kia Sorento 2016 and a Ford Kuga 2 Teyes CC3 from aliexpressscam.
I dont know why screen turns off when i connect the canbus box. Its a broken canbus box, or a wrong one?
I searched all the internet for pinout diagram, i checked all the pins, and all are ok.
The chinese support dont give a sign of life on whatsapp, or mail...
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Scan the square barcode with a scanner app and it should give you the text with the application the canbus decoder was planned for. I tried scanning your photo but no result, it should work on the actual decoder. Note that the application may read odd, the box that works in my Subaru is a Toyota canbus decoder but Subaru does use a lot of Toyota software as a partnership.
Also is the harness you got a Kuga harness or one for the Kia.

kommando said:
Scan the square barcode with a scanner app and it should give you the text with the application the canbus decoder was planned for. I tried scanning your photo but no result, it should work on the actual decoder. Note that the application may read odd, the box that works in my Subaru is a Toyota canbus decoder but Subaru does use a lot of Toyota software as a partnership.
Also is the harness you got a Kuga harness or one for the Kia.
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i got one for sorento and one for kuga, and another canbus box for kuga.
After scanning qr code i got " Model: HY-SS-06/RP1-HY-002For:2010-2020 Hyundai & Kia Vehicles With Digital Amplifier "
But when i connect the canbus bos on the 16 pin connector, display turns off...

Does your Kia have a digital amplifier, if not then you have the wrong canbus decoder and possibly the Kia harness is wrong as well too (only the seller would know that but they tend not to know technical details).
If your Kia has the digital amplifier, you used the Kia harness and Canbus then only the seller can help.

kommando said:
Does your Kia have a digital amplifier, if not then you have the wrong canbus decoder and possibly the Kia harness is wrong as well too (only the seller would know that but they tend not to know technical details).
If your Kia has the digital amplifier, you used the Kia harness and Canbus then only the seller can help.
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yes i have digital amplifier. I dont understand why canbus box shut down my display ...
Chinese "engineers" from whatsapp, ghost me for 1 week...
Rule no. 1 , dont trust China... is full of scammers

Android head unit problem

Hi all
I have a Chinese head unit fitted in a hyundai i10, a direct replacement for the original radio.
Anyway, there was a system update, px5, I downloaded it over the Internet and installed it.
Now everything is huge, the screen is a bluey purple and I can't do anything with it. Seems the resolution is wrong?
I would do a factory reset , but can't see anything.
This what's on the back of it
Px5
Jpx53p0byz serial number
1.5ghz
4gb
Cpu
Android10
8× arm cortex A53 @1.5ghz
I have had it into an audio radio shop today, he says he has emailed someone in china to see if there is something they can suggest.
is there a fix or is it binned?

Does this help?
The newest fast system for Android DVD 2Din Car Mtimedia Player Newest Android Car Radio + Quad-/Eight Core 1.6GHZ CPU + DDR3 2GB/4GB Flash + 16GB /32 GB Memory + 1024*600 HD IPS Screen + Capacitive IPS Screen +DVD+ Wifi + GPS Navigation +6686 Radio Chip + TDA7851 Amplifier Chip + iPhone/Android Mobile Phone Mirror link + Bluetooth + FM/AM + RDS+ USB DVR function + DSP (opitional )+OBD 2 Funtion + Europe DAB Function + 1080P Vedio Play + Rear View Camera and so on Please Note : if choose quad core it is android9.0 PX30 RAM 2GB +ROM 16GB , if choose Eight core it is android 9.0 PX5 RAM 4GB+ROM 32G

You need to look in the about device section in the settings on your head unit and find the MCU.
I think a PX5 can also be an MTCD device? but check your MCU anyway.

I can't, everything is massive and I can't see the screen

johndobson said:
I can't, everything is massive and I can't see the screen
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And from where did you download the update? That's also an indication for your type of unit.
And what is the resolution of your unit and for which resolution was your upgrade?

It popped up on the unit itself so I installed it just as I would with my phone

johndobson said:
It popped up on the unit itself so I installed it just as I would with my phone
Click to expand...
Click to collapse
That means that it is an OTA update. That is not supported by older FYT units like your PX5.
That means that your unit is not a FYT unit but most likely a MTCD unit.
Not much expertise here in the FYT forum apart from a few who switched from MTC to FYT. I will ask the moderators to move this thread to the MTCx forum. Hopefully they can help you.

Thanks

If you don't know what MCU you have, it's hard to advise. If you have an HDMI output, connect it to the monitor and find out what MCU you have. Sometimes there is a Mini HDMI on the processor board, but you have to disassemble the device or take a picture of the label on the processor board.
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