Anyone install Maestro RR in aftermarket head unit?

[loarmistead]

I can get pictures but between the radio harness, TO1 harness, and Maestro RR harness it's difficult to make heads or tails of it.

Sent from my SM-G935V using Tapatalk

 

[loarmistead]

I'm officially stumped. Checked and rechecked wiring. Everything looks good.

To test to make sure the accessory circuit in the truck wasn't malfunctioning, I connected the head unit with just the constant, accessory, and ground wires from a basic Metra harness, and the head unit powers up and down with the truck like it should. Swapping the Maestro RR back into the equation, everything works flawlessly in terms of vehicle controls, etc, but the head unit will not power down when I turn the truck off. The only way to power the head unit down is to manually turn it off. But, once off, the head unit can not be turned back on again until the ignition is either placed in ACC or cranked.

Something is keeping power constant to the head unit after the truck is turned off. Once head unit it manually turned off, it can't be turned back on until the ignition is turned back on. If it were truly receiving constant power I should be able to turn it off and on regardless of the ignition position, correct?

I'm leaning towards this being a Maestro unit quirk. Coincidentally they're closed on weekend so I can't call and speak with anyone about it.

Sent from my SM-G935V using Tapatalk

 

[DCameraMan]

Does the maestro display transmission temperature?

It doesn't unfortunately

 

[loarmistead]

Update on my end - all installation went well, including swapping basic airbag to include the audio controls, and found a bluetooth/phone button assembly and ribbon cable on eBay. Swapped in new airbag and buttons, and the Maestro integrates these flawlessly. Volume controls on the wheel are hard to give up once you're accustomed to them, and the added phone control buttons work well if you talk on it a lot, or, like me, if you have an Android Auto head unit; barking out orders at the click of a steering wheel button is great.

STILL, however, working with the techs at iDataLink to troubleshoot my issue of the head unit not powering down when the truck is turned off. It's very quirky and doesn't appear to be related to the circuit itself. Looks at this point like it may be a faulty relay in the Maestro RR unit, but will keep everyone posted. Hope to get it resolved soon, because other than that, the unit functions well.

Sent from my SM-G935V using Tapatalk

 

[loarmistead]

It doesn't unfortunately

Curious if that is something they'd be able to extract from the OBDII data in a future firmware update?

Sent from my SM-G935V using Tapatalk

 

[loarmistead]

So my issue of the head unit not turning off has been resolved.

It stemmed from the Microbypass module. It requires use of the blue wire, and instructions state that the power antenna wire should not be shared with the Microbypass, and to relocate it to the red accessory wire if necessary. I did just that. Did the same thing with my previous head unit and Metra wire harness with no ill results. Apparently the Maestro TO1 harness doesn't appreciate this workaround, and the power antenna sharing the red accessory wire was messing with a relay in the Maestro unit and keeping the head unit powered up through the accessory wire after the car was turned off. Very strange, but resolved now.

So, for future reference, if anyone is wiring a Microbypass into the TO1 harness, do not share the power antenna wire with the red accessory wire as the Microbypass instructions dictate.

Sent from my SM-G935V using Tapatalk

 

[LordAbdullah]

Anyone confirm if this works on the pre 06' runners at all? Very interested in getting one.

 

[loarmistead]

Anyone confirm if this works on the pre 06' runners at all? Very interested in getting one.

According to the iDatalink website the Maestro RR is compatible with the 2005 4runner "Base" (Whatever that is). Per the website is it compatible with "All trims" 2006-forward.

 

[LordAbdullah]

According to the iDatalink website the Maestro RR is compatible with the 2005 4runner "Base" (Whatever that is). Per the website is it compatible with "All trims" 2006-forward.

aww I almost want to try it to see if it would work, I don't think they have different computers or anything

 

[Mtoyotaownr]

So my issue of the head unit not turning off has been resolved.

It stemmed from the Microbypass module. It requires use of the blue wire, and instructions state that the power antenna wire should not be shared with the Microbypass, and to relocate it to the red accessory wire if necessary. I did just that. Did the same thing with my previous head unit and Metra wire harness with no ill results. Apparently the Maestro TO1 harness doesn't appreciate this workaround, and the power antenna sharing the red accessory wire was messing with a relay in the Maestro unit and keeping the head unit powered up through the accessory wire after the car was turned off. Very strange, but resolved now.

So, for future reference, if anyone is wiring a Microbypass into the TO1 harness, do not share the power antenna wire with the red accessory wire as the Microbypass instructions dictate.

Sent from my SM-G935V using Tapatalk

Thanks for sharing that!
I am waiting for my new Pioneer AVH-4200NEX and maestro
With the T01 adapter to show up.

How did you hook up the microbypass to make it work normally?

Thank you in advance!!

 

[loarmistead]

Thanks for sharing that!
I am waiting for my new Pioneer AVH-4200NEX and maestro
With the T01 adapter to show up.

How did you hook up the microbypass to make it work normally?

Thank you in advance!!

Apologies for the late response. I have the microbypass wired in and functioning like so:

Microbypass green - to - Light green parking brake wire
Microbypass black - to - Black wire
Microbypass blue - to - Red accessory wire

Interestingly this is the only way I could get my new phones to allow Android Auto to work with the head unit. Even with correctly wiring the parking brake wire into the head unit the phone would never detect that the parking brake was on. It seems that having the bypass wired in was necessary.

 

[loarmistead]

Also, I was running into an issue with the antenna amp maintaining a parasitic draw on the battery after the truck was turned off. I did some troubleshooting with the iDataLink people, and the fix for this was -

1. Connect the blue power antenna wire from the head unit to the blue-white wire on the TO1 harness.
2. Cut the two blue wires (wires 1 and 5 I think?) on the green plug going into the Maestro RR.

Doing this appears to power the antenna amp through the head unit while bypassing the Maestro RR.

I would only do this if you are experiencing excessive parasitic draw after wiring everything in. My truck seems to draw about 45mA normally. With the antenna amp receiving power while the truck was off the battery had a parasitic draw of 170mA. If the truck were a daily driver I would have likely never noticed, but since it tends to sit idle for five and six days at a time, I was noticing in the colder months that the battery was too weak to crank after sitting for four or five days.

Here is my conversation with their support people, for reference:
2006 Toyota 4Runner - 170-180mA Battery Draw -

 

[simple]

Also, I was running into an issue with the antenna amp maintaining a parasitic draw on the battery after the truck was turned off. I did some troubleshooting with the iDataLink people, and the fix for this was -

1. Connect the blue power antenna wire from the head unit to the blue-white wire on the TO1 harness.
2. Cut the two blue wires (wires 1 and 5 I think?) on the green plug going into the Maestro RR.

Doing this appears to power the antenna amp through the head unit while bypassing the Maestro RR.

I would only do this if you are experiencing excessive parasitic draw after wiring everything in. My truck seems to draw about 45mA normally. With the antenna amp receiving power while the truck was off the battery had a parasitic draw of 170mA. If the truck were a daily driver I would have likely never noticed, but since it tends to sit idle for five and six days at a time, I was noticing in the colder months that the battery was too weak to crank after sitting for four or five days.

Here is my conversation with their support people, for reference:
2006 Toyota 4Runner - 170-180mA Battery Draw -

Bro!!! Thank you for sharing. I installed a new radio with the maestro RR and left my car for 2wks and it died. Figured it was the radio for the parasitic draw and was wondering how I was going to figure it out. I bet this is it. Nice work

 

[Ventil8]

I installed one last fall in my '07. Like sr3tlaw said, I get a whole collection of info - a couple of pics, below.

You'll need a radio that supports iDatalink to get the info. If you walk through the steps on their website, you can choose the radio you're thinking about, and it'll tell you what capabilities you'll get.
iDatalink - Maestro - Maestro RR

I had Maestro RR with Kenwood 891HD headhunt installed in 2015. I chatted with Maestro tech support about my 2005 4runner being able to show tire pressure display. At that time, it was not supported. But, I see that the TPMS shows up on your unit. I'm guessing that I need to have the unit reprogrammed. I went to the Maestro weblink and it states that TPMS is a supported feature. I will have to look for a shop that does this since I didn't install this unit and it's far beyond my scope of knowledge but am glad that TPMS is supported now.

 

[riceandpho]

I had Maestro RR with Kenwood 891HD headhunt installed in 2015. I chatted with Maestro tech support about my 2005 4runner being able to show tire pressure display. At that time, it was not supported. But, I see that the TPMS shows up on your unit. I'm guessing that I need to have the unit reprogrammed. I went to the Maestro weblink and it states that TPMS is a supported feature. I will have to look for a shop that does this since I didn't install this unit and it's far beyond my scope of knowledge but am glad that TPMS is supported now.

you can update the unit yourself. but be warned, if you dont know what your doing, you can brick the unit and its all bad.
just need to make an account and flash it. but you must know what you are doing. ask some shop around that you got the unit put in by, they should be able to help put the latest firmware in.

 

[sr3tlaw]

Also, I was running into an issue with the antenna amp maintaining a parasitic draw on the battery after the truck was turned off. I did some troubleshooting with the iDataLink people, and the fix for this was -

1. Connect the blue power antenna wire from the head unit to the blue-white wire on the TO1 harness.
2. Cut the two blue wires (wires 1 and 5 I think?) on the green plug going into the Maestro RR.

Doing this appears to power the antenna amp through the head unit while bypassing the Maestro RR.

I would only do this if you are experiencing excessive parasitic draw after wiring everything in. My truck seems to draw about 45mA normally. With the antenna amp receiving power while the truck was off the battery had a parasitic draw of 170mA. If the truck were a daily driver I would have likely never noticed, but since it tends to sit idle for five and six days at a time, I was noticing in the colder months that the battery was too weak to crank after sitting for four or five days.

Here is my conversation with their support people, for reference:
2006 Toyota 4Runner - 170-180mA Battery Draw -

How was your troubleshooting experience with ADS(iDataLink)?? Was it via phone or did you just consult their Fourms?

My experience has been solid. I've solved a couple of issues going through their forum. Even had a forum moderator (Her name was Dana) send me a replacement cable that broke twice during install.
[MENTION=154645]loarmistead[/MENTION]
Posts like these I call "tribal knowledge". This type of information is only accumulated by experience! And it's because of folks like yourself why others and myself join these forums!


Sent from my iPhone using Tapatalk Pro

 

[loarmistead]

How was your troubleshooting experience with ADS(iDataLink)?? Was it via phone or did you just consult their Fourms?

My experience has been solid. I've solved a couple of issues going through their forum. Even had a forum moderator (Her name was Dana) send me a replacement cable that broke twice during install.
[MENTION=154645]loarmistead[/MENTION]
Posts like these I call "tribal knowledge". This type of information is only accumulated by experience! And it's because of folks like yourself why others and myself join these forums!


Sent from my iPhone using Tapatalk Pro

No dice on the antenna amp fix, unfortunately. Doesn't look like the antenna amp is receiving any juice with both the blue wires on the green plug clipped. Will need to wait until this weekend to dig back into it. Will follow up once I know more.

 

[Ventil8]

you can update the unit yourself. but be warned, if you dont know what your doing, you can brick the unit and its all bad.
just need to make an account and flash it. but you must know what you are doing. ask some shop around that you got the unit put in by, they should be able to help put the latest firmware in.

Pro car audio in Austin installed the unit. They are an authorized Maestro installer. They will update the unit for $50. I'm OK with that. I don't have any Windows computer at home and I really don't want to mess with it and potentially brick the unit.

 

[Ventil8]

I had the firmware updated today after a loooong wait at the shop, only to find out the the TPMS numbers are not showing up. GRRRRR! The shop said everything is connected properly. They are an authorized installer but I'm thinking there is a wire that is not connected. I don't really want to go back to this shop, but they are the only authorized Maestro installer in the Austin area. The next closest shop is in San Antonio which is an hour drive. I'll have to call Maestro tech support again. It has the latest firmware up to date now and TPMS is supported, so I'm at a loss as to what the issue is.

 

[riceandpho]

might need to reset the head unit and or the maestro unit too.
just make sure to remember all your radio settings.