Instrument Cluster Swap

Would love to find out if the platinum/PRO instrument cluster is just a plug and play versus my limited analog display..

 

Probably not if looking at other generations and models of trim level swaps. Tundra, Tacoma, 4Runner etc. I think it goes more of a computer functionality aspect than panel swap.

again I don’t know, just looking at what’s been out there

 

Paging @Jeff_5_7

 

Oh you are in the new realm talking about 2022+ instrument cluster swaps.

I have not gotten a hold of a new cluster to test or play with yet. I have seen wiring diagrams for the new ones and they seem to be much more complicated in terms of how they recieve signals from the ECUs of the truck.

My guess would be it could work but you would get some errors and notifications on the screen as your limited trim could be missing some features the higher end trucks have and the cluster would be looking for this data as an input that would never come. It defaults to displaying errors messages when it thinks data is missing.

 

99% sure the 3rd gen is using Automotive Grade Linux as the screen spreading of infotainment, with HUD, are some of AGL's primary features. Also, Toyota began implementing it quite a few vehicles back and was one of the first to on-board.

Have you taken it apart to look at connectors, or looked at drawings? If they are the same connectors it's a safe bet that manufacturing is only using a single harness for all trim levels. Then it becomes an issue of what Jeff is getting at: what/if vehicle-specific info is stored on the cluster vs the network and how many modules are directly reporting to the cluster as opposed to the network at large.

But really, nobody is going to be able to answer this as it's all speculation without actual Toyota schematics. Someone will just have to try it.

 

I'd bet considering it's 100% digital, there will be huge differences. People said I'd never get the 2018+ cluster into my '13 and I did so it's possible but totally uncharted territory.

https://youtu.be/JT9kVDXPOY0

 

I’ll be waiting for one to show up at a junk yard.. until then I’ll wait to tear my dash apart. In the mean time I’ll monitor to see if someone else makes it happen. Living in Atlantic Canada it will take some time before one lands in a salvage yard around here. Just no volume of these trucks.

 

Took a year for me to get a '19 Sequoia cluster that turned out to not be flex so I bought a new one.

Good luck

 

Can’t imagine what a new one will cost in Canada… $500 American translates to $1200 Canadian with Trudeau tax and tariffs and import fees lol

 

My guess (and it's def just a guess) is that as long as you were able to find a digital gauge cluster from a non-hybrid higher trim truck, it might just be plug and play. The non hybrid digital displays are showing all the same info as the standard gauge cluster, just in a "prettier" format. I'd be willing to bet a Hybrid gauge cluster may be using a different harness.

Should only be a matter of time before someone is able to get their hands on a digital cluster and tries it out. Ill just keep guessing until then, lol.

 

we are pretty much on the same page

 

Off the cuff and purely speculation, I think it may work assuming the harness/connectors are the same (implying protocols are the same) and this system is driven by a common central node (doesn't change across trim levels). Knowing how streamlined Toyota keeps their BOMs, you'd think this is the case.

The prior gens have on-board processing and comms with vehicle-specific info stored on some ICs. Since AGL allows all infotainment stuff to be shared across screens, it makes you believe that the processing is done on a central node. If you watch some AGL overviews online, you'll see a mainframe with an SBC driving a second screen... My guess is that the analog cluster is receiving stats from the central node and moving needles by means of an on-board microcontroller interpretation, while the digital cluster is receiving rendered frames like a computer monitor. These are entirely different data packets, but again, if both are over automotive ethernet (CAN isn't appropriate for graphics generation, so my money is that that link will be commonized), it's possible that a direct swap could happen if the digital cluster had all hardware integrated and you were able to rewrite whatever register on the main node such that it knew to swap to graphics packets instead of data packets.

Would love to really know how this was designed.

 

Unfortunately the wiring is not the same as you will see from the snapshot of the wiring diagram.

*1 is the 12.3in display
*2 is the 4.2in display

The 12.3in display uses connectors A,B while the 4.2in uses connectors C,D. The connectors are the same however the wiring placement and pin number between them is what is different. (This is common of Toyota, moving wiring around in connectors to keep things from being plug and play)

For exaple the far right wire is the stop light switch. On the 12.3in display it is Connector B Pin#20, but on the 4.2in display it is Connector C Pin #35.

Connectors B,C seem to be interchangeable, IE the 12.3in cluster would plug into to your harness but a lot of the data lines will not be going into the right pin and it wouldn't work without some major wiring changes.

A conversion or "patch" harness is needed for plug and play...

 

Well thanks for the expedited service!!! You are impressive.

 

No worries, FYI I am not saying it is impossible, it would just be much harder than plug and play.

Now if only I could get my hands on a 2022 for a few days and develop and auto start/stop disable....I see plenty of people talking about/asking for this.

 

It’s funny, I think since I’ve bought the truck that have actually shut the truck off twice.. I guess I’m too gentle on the brakes… always says to press harder to activate.. glad the skinny pedal doesn’t tempt me with the same line. Haha

 

Bump

 

Know this is an older thread but curious if you ever got your hands on one or found out if it could be done with the patch harness?