Notices
IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

2IS known CAN bus identifiers

Thread Tools
 
Search this Thread
 
Old Jun 25, 2025 | 07:24 AM
  #1  
jodeenio's Avatar
jodeenio
Thread Starter
4th Gear
 
Joined: Jun 2025
Posts: 4
Likes: 9
Default 2IS known CAN bus identifiers

Hi, this is my first post, sorry for the big long explanation;
I am about to start the journey of reverse engineering the 2IS CAN bus to add a digital speedometer to the stock cluster, I have 3 options in my mind to make this work, all with their own challenges. I want to make my project as straightforward as possible so other people can also do the mod easily, so stealing the signals post processing from the pcb is a no because of the soldering required. So the easiest way to do this is by reading the can data from the bus.

I was wondering if anyone who has reverse engineered the 2IS CAN bus would be willing to share their information. I have searched hundreds of threads and websites but there seems to be no actual data regarding the 2IS can, I can see multiple people have mentioned they are working on projects and decoded data but never shared their findings publicly.

Thanks in advance for the help, hopefully if all goes well I will make a post soon further detailing my plan.
Reply
Old Jun 26, 2025 | 02:20 AM
  #2  
Inactive's Avatar
Inactive
Intermediate
Photogenic
Liked
Loved
 
Joined: Jan 2024
Posts: 291
Likes: 39
From: WA
Default

You might want to try asking ahmed, on his Instagram he's working on retrofitting the 3IS F-Sport cluster to the 2IS, from his YouTube
, it seems to be going very well.
Reply
Old Jun 26, 2025 | 02:46 AM
  #3  
jodeenio's Avatar
jodeenio
Thread Starter
4th Gear
 
Joined: Jun 2025
Posts: 4
Likes: 9
Default

Good idea thank you, I didn’t even notice the links to other platforms until you mentioned it. I was trying to message ahmed here but apparently you have to post for a bit before you can private message. I’ll give him a message on instagram and see how that goes
Reply
Old Jun 26, 2025 | 02:48 AM
  #4  
Inactive's Avatar
Inactive
Intermediate
Photogenic
Liked
Loved
 
Joined: Jan 2024
Posts: 291
Likes: 39
From: WA
Default

Please keep us posted on the digital speedometer, it would really help me with a radar pre-collision system I'm building, I was planning on just using GPS for speed sensing but if you can teach us how to do it directly with the CAN Bus that would be even awesome.
Reply
Old Apr 3, 2026 | 01:44 AM
  #5  
jodeenio's Avatar
jodeenio
Thread Starter
4th Gear
 
Joined: Jun 2025
Posts: 4
Likes: 9
Default Project Digital Speed

Long time since I posted last but I have been working hard on seamlessly integrating a digital speedometer into the stock cluster.

Good news is after all these months learning electrical engineering and reverse engineering the cluster, I have got a prototype that works as intended. There are a few small bugs I need to iron out still but here is a video of the digital speedometer in action. I will provide more details on how everything works and the journey to get here in a separate post shortly.


Last edited by jodeenio; Apr 3, 2026 at 01:45 AM.
Reply
Old Apr 3, 2026 | 01:47 AM
  #6  
Inactive's Avatar
Inactive
Intermediate
Photogenic
Liked
Loved
 
Joined: Jan 2024
Posts: 291
Likes: 39
From: WA
Default

Holy sh*t. You got the speedometer working and were able to add in it's own display? I have so many questions, absolutely amazing work. Can I PM you with some questions? I have my own project I've been wanting to create and I was going to use an external OLED for it but you got the main cluster screen to work like that.
Reply
Old Apr 3, 2026 | 03:58 AM
  #7  
DnG's Avatar
DnG
Driver
 
Joined: Oct 2024
Posts: 63
Likes: 7
From: UK/RO
Default

Holy sh*t x2. I'm also working on swapping the 2 dials with displays and making the original cluster semi-digital but I'd love to know how you actually managed to reverse engineer it to add your own option to the OEM screen and how you figured out the CAN. I need to do both CAN and BEAN and I'm scared to even start lol
Reply
Old Apr 3, 2026 | 08:05 AM
  #8  
victorrusu's Avatar
victorrusu
Driver School Candidate
Liked
 
Joined: Nov 2021
Posts: 24
Likes: 5
From: EU
Default

Damn, this is awesome! I've been wanting to look into reverse engineering the cluster, but haven't found the time yet. Please do post more details, I'm also interested in how this works.
Reply
Old Apr 10, 2026 | 04:28 AM
  #9  
jodeenio's Avatar
jodeenio
Thread Starter
4th Gear
 
Joined: Jun 2025
Posts: 4
Likes: 9
Default

Hi, sorry for the late response, I was in surgery and just got home.

The device currently runs on an esp32-s3 and my custom board. All original functions are retained so no messages are missed.

However I have some bad news for those of you who were interested in the CAN aspect of this project. Although I got some data from can in the early stages, I am using the direct speed pulses for a more accurate speedo.

I will get a full post detailing everything in a weeks time when I am better.
Reply
Old Apr 10, 2026 | 09:05 AM
  #10  
CawaLimon's Avatar
CawaLimon
Driver School Candidate
5 Year Member
Liked
 
Joined: Sep 2019
Posts: 15
Likes: 12
From: CA
Default

Get well soon! Can't wait to see how this board works and interfaces with the cluster. Looking on doing this on my ISF.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
TBender
GS - 1st Gen (1993-1997)
5
Mar 26, 2013 08:13 PM
vicious
LS - 1st and 2nd Gen (1990-2000)
5
Jun 22, 2011 08:26 PM
JohnnyIS25
North Texas Lexus Club
13
Mar 11, 2009 07:21 AM
KJ in JPN
IS - 2nd Gen (2006-2013)
36
Oct 28, 2006 11:22 AM
jimmit
SC - 1st Gen (1992-2000)
18
Sep 13, 2002 06:45 PM




All times are GMT -7. The time now is 12:31 PM.