RHD Vitz RS cluster

[CTScott]

Originally Posted by Kioshi

Those extra bytes can be override somehow when the odo gets reflashed though....

Is there any companies in your area that do odo reflashing? I was thinking of paying you to get it reflashed by a company and do a trial run to see if the odo is functioning correct kilos/miles traveled.....

I can do it here through Speedo, but just in case there is any adjustments that need to be made to the cluster itself, it'd be easier and in your hands already to take a look at and do.... (just a thought)

The extra byte issue has to do with making it function correctly on a daily basis. The reflashing is completely different.

[Kioshi]

I see.

Toyota really has to make it complicated from jumping 1-2 years ahead in the car model...

[Kioshi]

Any update on the message ID deciphering? Also, a bit thinking ahead, but what happens if out of those 11 remaining messages there is no link to the odo? Could you make another unit that helps the odo to increment accordingly?

I mean, i could...drive it as is, but i would have to calculate how many miles i drove whenever got back home....

[CTScott]

Originally Posted by Kioshi

Any update on the message ID deciphering? Also, a bit thinking ahead, but what happens if out of those 11 remaining messages there is no link to the odo? Could you make another unit that helps the odo to increment accordingly?

I mean, i could...drive it as is, but i would have to calculate how many miles i drove whenever got back home....

It's been a busy weekend, but I did make some progress Friday night. I have deciphered how the cluster sends the mileage back to the ECM, but am still working on the other direction.

[Kioshi]

good to hear. It gets closer and closer in solving how the two clusters work on USDM cars.

I meant no rush by my previous comment. I just had a thought and usually I like to prepare myself for worse case scenario.

Enjoy your weekend Birthday guy.

[Kioshi]

Originally Posted by CTScott

I have the speedo working, but still can't get the odo correct. So far it either increments way too slow or way too fast.

From the OZ thread....

Around what estimate would it be that the odo is increasing too fast? If I have to change my oil sooner than 5000 miles...lets say at +/-1200 miles...i wouldn't mind. I just switched to Eneos 0w-20 oil for my car, it can go 10k before changing the oil...so just curious now~

[CTScott]

You wouldn't want it in the high speed mode. The two modes I've been able to achieve so far are ~ .1 km per hour and ~.1 km per second.

[Kioshi]

Originally Posted by CTScott

You wouldn't want it in the high speed mode. The two modes I've been able to achieve so far are ~ .1 km per hour and ~.1 km per second.

.1km per second is pretty fast, understood. What would be manageable then? In the hundredths or tenths digits ~.0025 km per second, if that's possible to get that low....

[CTScott]

I'm not sure yet. The two that I've run into so far were achieved by experimenting with values that I captured from my 09. I really need to figure out the algorithm that is used for the values. I am thinking that it is related to bus timing between message transmissions.

[Kioshi]

I just wanted to throw this on here.

On Friday night, computerlove87 was kind off to let us take out his 09 Yaris S cluster to try onto advocate's 06 Yaris non ABS. To our surprise, the cluster works. The speed was give or take +/- 1-2 mph difference when advocate and I did a 20 mph side by side comparison run....

ABS light stays on but the speedometer works fine and the odo works correctly according to advocate.

CTScott, I was windering does the odo increasement really matter...because, talking to some people and knowing that the RS cluster does not have a maint. light on it..it wouldn't matter for me to be to be keeping track of when to oil change...I dont know?

Or if you've made progress on the odometer at this moment...

[CTScott]

Originally Posted by Kioshi

I just wanted to throw this on here.

On Friday night, computerlove87 was kind off to let us take out his 09 Yaris S cluster to try onto advocate's 06 Yaris non ABS. To our surprise, the cluster works. The speed was give or take +/- 1-2 mph difference when advocate and I did a 20 mph side by side comparison run....

ABS light stays on but the speedometer works fine and the odo works correctly according to advocate.

CTScott, I was windering does the odo increasement really matter...because, talking to some people and knowing that the RS cluster does not have a maint. light on it..it wouldn't matter for me to be to be keeping track of when to oil change...I dont know?

Or if you've made progress on the odometer at this moment...

Very interesting. It sounds like on 09s they may have gone back to the speedometer being fed from the speed sensor, rather than from the ECM by way of the ABS speed sensors.

The issue with having the ODO not increment would be that you'd have no idea as to how many miles you've driven (for maintenance purposes) and of course you wouldn't be able to sell the car with the non-functioning ODO in it.

I'm still trying to figure this out, but I think what you found with the 09 cluster may mean that I am chasing my tail. I've been trying to emulate my 09 ECM talking to my 09 cluster. I think I need to sniff the CAN bus on an 08 with ABS to see if the message structure is different (which based on the above, I am 99% sure it will be). Enviri lives fairly close to me and he has an 08 with ABS, so his car would be perfect.

[CTScott]

Enviri and I are getting together this week so I can check out the comm on his ABS 08.

[Kioshi]

Originally Posted by CTScott

Enviri and I are getting together this week so I can check out the comm on his ABS 08.

Sounds good, keep me updated on what you find out from his 08 ABS.

I hope your findings make the odo work correctly :)

I dont want either of us to be stuck at a dead end for several months.

And I'd be willing to pay for enviri's efforts in this research too....

[CTScott]

OK. Good news and bad news: The good news is that Enviri just took a ride up to my place so we could do the test with his car. The bad news is that it turns out that his dealer sold him a Yaris with ABS, but he didn't actually get ABS.

So, I still need to find an 07 or 08 that has ABS to grab some data from.

[Kioshi]

Hmm...that is a bit disappointing news from enviri's side, yours, and mines.

Does he have an S cluster on his 08, or a stock one? If he has an S cluster, maybe you could pull some readings from that and apply that somehow to the RS cluster....no?

I would be saddened if dealer tells me i purchased an 08 w/ ABS but in fact it didn't have one... :(

[CTScott]

Originally Posted by Kioshi

Hmm...that is a bit disappointing news from enviri's side, yours, and mines.

Does he have an S cluster on his 08, or a stock one? If he has an S cluster, maybe you could pull some readings from that and apply that somehow to the RS cluster....no?

I would be saddened if dealer tells me i purchased an 08 w/ ABS but in fact it didn't have one... :(

His is a bare bones 08, so no S cluster.

He was saying that he thought that he paid extra for ABS.

[Kioshi]

Ok, so i think finding an 07 or an 08 ABS equipped Yaris might be a tough challenge...maybe impossible unless someone can do the drive to you~

How much would you say the kilometers increase to real time miles travelled? I honestly, dont mind servicing my vehicle sooner than expected, if it happens to be the case....

Or the other option, i wait it out till you play around with the calculations even more to get the odo to increment better?

[CTScott]

Originally Posted by Kioshi

Ok, so i think finding an 07 or an 08 ABS equipped Yaris might be a tough challenge...maybe impossible unless someone can do the drive to you~

How much would you say the kilometers increase to real time miles travelled? I honestly, dont mind servicing my vehicle sooner than expected, if it happens to be the case....

Or the other option, i wait it out till you play around with the calculations even more to get the odo to increment better?

I'm searching the local dealers to see who might have a used one that I can "test drive". If I find one, I'll just have to go to the dealership in my Xterra with a man purse with my netbook and CAN sniffer.