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Old 08-01-2020, 11:38 PM   #26
murrdogg24
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Quote:
Originally Posted by LouCioccio View Post
If you haven't done so also logon here they also can help. Go to the Subaru section. When I did mine a couple years ago on my 2018 Foz I got info from this site and also at 12voltdata.
Hope it gets straighten out for you.
Lou Cioccio
Yeah i went to 12voltdata and there is a sticky'd post saying that rr2 is still not compatible with 2018+ Subaru's....**** me guess I'm going back to my jury rigged setup, the obd2 gauge function did not work for me on the rr2 and the radio will not turn off when I shut the car off....
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Old 08-02-2020, 03:46 AM   #27
gunz4me
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Quote:
Originally Posted by murrdogg24 View Post
Yeah i went to 12voltdata and there is a sticky'd post saying that rr2 is still not compatible with 2018+ Subaru's....**** me guess I'm going back to my jury rigged setup, the obd2 gauge function did not work for me on the rr2 and the radio will not turn off when I shut the car off....
I had to call them but still haven't gotten around to yanking the stock radio. There is a modification that you have to make to the harness and they will give you a custom file to flash the RR2 with.
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Old 08-02-2020, 04:04 AM   #28
murrdogg24
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Originally Posted by gunz4me View Post
I had to call them but still haven't gotten around to yanking the stock radio. There is a modification that you have to make to the harness and they will give you a custom file to flash the RR2 with.
I was going to rip the harness apart tomorrow to look at all the actual connections, and trace them out. I figured something on the harness is not wired correctly. Maybe I will wait until I can call them on Monday then. Thanks.
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Old 08-03-2020, 06:36 PM   #29
murrdogg24
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so after some time on the phone today with idatalink trying to trouble shoot my problem, they came to the conclusion that the rr2 unit was bad....Crutchfield is sending me a new one so hopefully I'll get back at it later this week...
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Old 08-07-2020, 11:04 PM   #30
murrdogg24
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Update: 8/7/20
Received new RR2 from Crutchfield today and proceeded to install, this time with the CAN lines military spliced with solder(they said t-tap was bad).....the same symptoms, radio will not automatically shut off when the car is shut off. Car info, gauges, TPMS etc do not work. When I look at the CAN STATUS page it shows an error: stufferr and count:9...

According to the below link the SU2 harness is now compatible with 2018-2020 cars...I don't believe it.
http://www.12voltdata.com/forum/view...18400&start=15

Last edited by murrdogg24; 08-14-2020 at 11:39 PM.
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Old 08-09-2020, 12:04 AM   #31
BrasilianBoy07
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Quote:
Originally Posted by murrdogg24 View Post
Update: 8/7/20
Received new RR2 from Crutchfield today and proceeded to install, this time with the CAN lines military spliced with solder(they said t-tap was bad).....the same symptoms, radio will not automatically shut off when the car is shut off. Car info, gauges, TPMS etc do not work. When I look at the CAN STATUS page it shows an error: stufferr and count:9... I have lost faith in the idatalink tech support and believe they are lying about this unit and SU2 harness being compatible with the 2020 STI, literally everything is Plug n Play except the two CAN lines..

According to the below link the SU2 harness is now compatible with 2018-2020 cars...I don't believe it.
http://www.12voltdata.com/forum/view...18400&start=15

Idatalink states that the mestro rr/rr2 does work with 2020 STi's BUT only if you have the the non-amplified/harman kardon system.

Also I did read somewhere on there site that Idatalink is making a new wire harness SU3. The new SU3 (if they are making it) might work better when it comes out.

I would try and call them again and see what they say.
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Old 08-09-2020, 01:04 AM   #32
murrdogg24
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Quote:
Originally Posted by BrasilianBoy07 View Post
Idatalink states that the mestro rr/rr2 does work with 2020 STi's BUT only if you have the the non-amplified/harman kardon system.



Also I did read somewhere on there site that Idatalink is making a new wire harness SU3. The new SU3 (if they are making it) might work better when it comes out.



I would try and call them again and see what they say.
I have a base STi non amplified stereo
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Old 08-10-2020, 10:38 PM   #33
murrdogg24
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Further inspection shows that there are multiple wires on the SU2 harness that do not connect to anything on the vehicle radio harness.
This blue with red stripe wire leads to a blank spot on the vehicle radio harness
https://drive.google.com/file/d/1fkv...ew?usp=sharing
https://drive.google.com/file/d/1M6y...ew?usp=sharing
https://drive.google.com/file/d/1Gl-...ew?usp=sharing
Here pins 7 thru 12, green with red stripe to yellow wires lead to all blanks spots on the vehicle harness..
https://drive.google.com/file/d/12cV...ew?usp=sharing
https://drive.google.com/file/d/1Lfs...ew?usp=sharing
The RR2 is not getting a signal for my ebrake either, I can tell through the apps in the radio. Maybe this is because the SU2 harness is incorrectly pinned for my vehicle??

Kenwood Radio harness to SU2 harness
https://drive.google.com/file/d/1DuF...ew?usp=sharing
CAN wires to Climate Control connector with solder
https://drive.google.com/file/d/14B9...ew?usp=sharing
Back of climate control connector
https://drive.google.com/file/d/1zfX...ew?usp=sharing
OBD2 connection
https://drive.google.com/file/d/1rci...ew?usp=sharing
Stand alone antenna adapter I added
https://drive.google.com/file/d/1X0s...ew?usp=sharing
SU2 to vehicle radio harness
https://drive.google.com/file/d/1lbu...ew?usp=sharing
SU2 to vehicle radio harness
https://drive.google.com/file/d/1UeQ...ew?usp=sharing
SU2 to vehicle radio harness
https://drive.google.com/file/d/1FKq...ew?usp=sharing
SU2 to back up camera
https://drive.google.com/file/d/1juI...ew?usp=sharing
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Old 08-11-2020, 12:44 PM   #34
joostin420
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I am swapping out my DNX996xr for a Dnx997xr In order to senD in to kenwood for service so I can take pictures possibly Thursday when I do the swap.

If I remember correctly I do ground both the e-brake wires from the SU2 and kenwood harnesses to avoid all nanny notifications and video playback any time.

I am harman kardon, but all wiring should be the same other than speaker wire connections really.
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Old 08-11-2020, 03:36 PM   #35
murrdogg24
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Quote:
Originally Posted by joostin420 View Post
I am swapping out my DNX996xr for a Dnx997xr In order to senD in to kenwood for service so I can take pictures possibly Thursday when I do the swap.

If I remember correctly I do ground both the e-brake wires from the SU2 and kenwood harnesses to avoid all nanny notifications and video playback any time.

I am harman kardon, but all wiring should be the same other than speaker wire connections really.
I was so pissed today I just reverted back to my original setup with metra harness with maestro SW and axxis 6v step down for the backup camera. Everything works fine with this setup, just wont have vehicle info or gauges but at least I won't be racking my brains out with the RR2. I'm returning the SU2 and RR2 today.
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Old 08-13-2020, 01:48 AM   #36
gunz4me
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Quote:
Originally Posted by joostin420 View Post
I am swapping out my DNX996xr for a Dnx997xr In order to senD in to kenwood for service so I can take pictures possibly Thursday when I do the swap.

If I remember correctly I do ground both the e-brake wires from the SU2 and kenwood harnesses to avoid all nanny notifications and video playback any time.

I am harman kardon, but all wiring should be the same other than speaker wire connections really.
I would just ground the wire going to the Kenwood radio for the e-brake, otherwise you will have the e-brake light on in your dash if you ground the e-brake wire from the vehicle itself.
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Old 08-14-2020, 08:48 AM   #37
JiveDara
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Quote:
Originally Posted by murrdogg24 View Post
Further inspection shows that there are multiple wires on the SU2 harness that do not connect to anything on the vehicle radio harness.
For anyone else who comes across this thread, this is the reason you have to tap into the climate control connector on this car. The data lines that are normally present in other Subarus are not there in this car, so you have to get the signal to the maestro from somewhere else.

See the attached guide; There is the car side of these wires, which should be cut and isolated, because the wires don't go to anything in the car, like murrdog said. If you hook the climate control wires to that side, the maestro won't get the signal. Nothing will, because you're sending the signal into empty pins. Hook to the other side, so the signal can go into the RR2, and you're good to go.

https://imgur.com/IJ18G7x
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Old 08-14-2020, 09:37 AM   #38
JibbledOUT
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So JiveDara, basically all we have to do is cut the brown/red and brown/yellow wires on the SU2 harness and then wire up the proper side that actually goes back to the RR2 module and can read the vehicles data. We dont want to use the car side of the cut harness that goes to essentially nothing and if done properly it will work?
Well that seems quite logical considering the RR2 needs the data from the vehicle to work and cant read it if its connected to nothing.
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Old 08-14-2020, 09:45 AM   #39
JiveDara
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That is correct.
https://imgur.com/rkf7HBX
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Old 08-14-2020, 10:58 PM   #40
joostin420
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It works as described.

I did swap my kenwood DNX996xr for the Dnx997xr On Thursday but I was not able to take pictures of wiring since i have it all tesa taped neatly. I did find that in the kenwood under maestro settings:

AV-in - oem setup - vehicle features - amp settings - gain

The default setting is 70% and my 2020 wrx harman kardon amplifier does not appear to like that “gain” specification. I mentioned during a call with support tech at idatalink that I was having audio cut out at high volume (33+ out of 40) and determined during my own testing on thursday that by adjusting the “gain” down to 50% the audio was perfect and does not cut out; which I am able to really adjust equalizer settings now.

When I power off the vehicle though and review the “gain” settings again it reverts back to the default 70% every time. I discussed with tech to request that their development team change “gain” setting specification in my firmware to 50% or enable the saving of setting to hold. The tech I worked with said that he has the engineering team looking into the setting.







Last edited by joostin420; 08-19-2020 at 09:03 AM.
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Old 08-19-2020, 07:48 PM   #41
JiveDara
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Did they get the gain setting fixed for you?
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Old 08-19-2020, 08:26 PM   #42
joostin420
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if I have time I am going to reach out to them tomorrow for an update to the gain setting item.

also, my iPhone 11 pro Bluetooth call volume is super low with both the dnx996xr and dnx997xr volume maxed out at 40. the only common item is the rr2; the speaker phone is louder.
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Old 08-20-2020, 07:46 PM   #43
joostin420
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Issued a new firmware for the rr2 and flashed it today. Gain specification settings save now and hold upon restart.

They said that The Bluetooth call volume is not controlled at all by the rr2. The Bluetooth is self-contained within the head unit, so they aren’t doing anything to change the audio output of specific sources. They recommend looking to see if there is a SLA (source level adjustment) for that source. I don’t see anything in the kenwoods specific to the Bluetooth call volume in the “volume offset,” and I have already upped the Bluetooth offset specification to 3 of 5.

Going to contact kenwood maybe tomorrow.
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Old 08-23-2020, 12:04 AM   #44
murrdogg24
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Default Update everything working now

Decided to have a crack at it again, since someone on the 12v forum pointed out that my CAN wires were hooked up wrong. I am pleased to say everything is working now.







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Old 08-23-2020, 06:46 PM   #45
joostin420
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That is good news.

I spoke too soon about my gain setting; it’s not saving upon restart of the vehicle. I let support know again.
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