ECU remapped

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Post by sakke on Mon Jun 24, 2019 8:21 am

I had the ECU of my Vitara S remapped, "optimized", a week ago by my mechanic. The claimed figures are now 165 hp and 300 Nm. Works great and you can really feel the increased torque.

The remapping can not be done through OBD port; the ECU chip itself had to be accessed. It takes more time and therefore it's more expensive.

I can't say anything yet about fuel consumption because I haven't driven many kilometers after the remap. On August I will be touring on Estonia, and after that I will have same data which I can compare to my Baltic trips on 2017 and 2018.
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Post by Admin on Mon Jun 24, 2019 9:22 am

Look forward to your reports once you have some more kilometers on your Vitara


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Post by graham04 on Thu Nov 28, 2019 9:47 pm

with my Vitara now out of warranty, I have looked at a remap. One company shows the 1.6 petrol up to 135 bhp and 186 nm. A nice increase, however I have an Allgrip with the sport option. When sport is used there is a noticeable improvement especially if I am towing. I am guessing that the sport map must be close to the one on offer. Any thoughts ? They are based a couple of hundred yards from the Suzuki dealer, when I get a chance I will drop in and see them, better than a phone call.

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Post by STDI on Fri Nov 29, 2019 8:09 am

Why should Suzuki state less power and tourqe than the engine has? If it's Auto or Sport doesn't matter. Max is the same, different "configuration" though such as faster respons to the throttle in Sport.

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Post by Petrust on Fri Nov 29, 2019 8:02 pm

STDI wrote:Why should Suzuki state less power and torque than the engine has?

Suzuki do seem to regularly understate engine bhp regarding the 1.4 boosterjet. I had my 1.4S dynoed and it is producing 144 bhp i.e. +6 more than Suzuki's quoted figure. I read an article produced by CTC Performance who specialize in upgrading/remapping Swift Sports with the 1.4 engine, and they regularly find the "stock" figure is anything up to 152 bhp!  This no doubt explains the the wide discrepancy in 0-60mph performance times. If I remember correctly Suzuki's published figure is 10.2 seconds, whereas a number of test runs carried out by journalists using sophisticated measuring equipment regularly achieve a two second improvement on this time.
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Post by Admin on Fri Nov 29, 2019 9:22 pm

As STDI said the power on the Allgrip Vitara is the same on Auto or Sport mode, the difference is how (electronically) your throttle delivers your throttle input to the ECU
Having driven many 1.6 2wd Vitaras/S-cross without the sport mode option I have always felt owners have been short changed by not having a sport mode, one way round this (as I am looking to fit on my SX4) is to fit an electronic throttle controller. If you search YouTube for e-drive/i- drive you will find many variations of these and the basically fit in-between your throttle pedal plug and wiring loom and give you a LED screen where you can choose various eco/sport settings that alter the way your pedal sends info to your ECU

This unit on eBay gives you an idea...

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com.au%2Fulk%2Fitm%2F392542856377

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Post by STDI on Sat Nov 30, 2019 7:49 am

Petrust wrote:
STDI wrote:Why should Suzuki state less power and torque than the engine has?

Suzuki do seem to regularly understate engine bhp regarding the 1.4 boosterjet. I had my 1.4S dynoed and it is producing 144 bhp i.e. +6 more than Suzuki's quoted figure. I read an article produced by CTC Performance who specialize in upgrading/remapping Swift Sports with the 1.4 engine, and they regularly find the "stock" figure is anything up to 152 bhp!  This no doubt explains the the wide discrepancy in 0-60mph performance times. If I remember correctly Suzuki's published figure is 10.2 seconds, whereas a number of test runs carried out by journalists using sophisticated measuring equipment regularly achieve a two second improvement on this time.
That's something else. Let me rephrase: Why should Suzuki state the low power in Auto if the engine in Sport gives more power and torque?

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Post by alec on Wed Dec 11, 2019 3:07 pm

Admin wrote:As STDI said the power on the Allgrip Vitara is the same on Auto or Sport mode, the difference is how (electronically) your throttle delivers your throttle input to the ECU
Having driven many 1.6 2wd Vitaras/S-cross without the sport mode option I have always felt owners have been short changed by not having a sport mode, one way round this (as I am looking to fit on my SX4) is to fit an electronic throttle controller. If you search YouTube for e-drive/i- drive you will find many variations of these and the basically fit in-between your throttle pedal plug and wiring loom and give you a LED screen where you can choose various eco/sport settings that alter the way your pedal sends info to your ECU

This unit on eBay gives you an idea...

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com.au%2Fulk%2Fitm%2F392542856377

Karl

This is very interesting Karl.
Would that be compatible with a Vitara? I know it says Swift/SX4 but they are the same engine right? Or is the ECU different?

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Post by crozier on Wed Dec 11, 2019 4:39 pm

alec wrote:
Admin wrote:As STDI said the power on the Allgrip Vitara is the same on Auto or Sport mode, the difference is how (electronically) your throttle delivers your throttle input to the ECU
Having driven many 1.6 2wd Vitaras/S-cross without the sport mode option I have always felt owners have been short changed by not having a sport mode, one way round this (as I am looking to fit on my SX4) is to fit an electronic throttle controller. If you search YouTube for e-drive/i- drive you will find many variations of these and the basically fit in-between your throttle pedal plug and wiring loom and give you a LED screen where you can choose various eco/sport settings that alter the way your pedal sends info to your ECU

This unit on eBay gives you an idea...

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com.au%2Fulk%2Fitm%2F392542856377

Karl

This is very interesting Karl.
Would that be compatible with a Vitara? I know it says Swift/SX4 but they are the same engine right? Or is the ECU different?

I would guess any differences are likely to be in the physical connectors, as opposed to any mapping in the ECU but it's worth a quick message to the seller to find out.

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Post by tigersaw on Wed Dec 11, 2019 8:01 pm

That device looks like a nonsense box for boy racers. The pedal controls are passive, they don't have 'lag' - that would be a feature of the ECU. All this box does / can do is remap the potentiometer so that a small press is interpreted as a larger press.
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Post by Admin on Wed Dec 11, 2019 10:50 pm

tigersaw wrote:That device looks like a nonsense box for boy racers.

No different to the Sport Mode on the Allgrip, if you hold the accelerator at 2000rpm and select sport you can feel the accelerator change position, as you say it adjusts the potentiometer settings, standard pedal settings are set to give a steady increase in pedal input and no doubt a bit lean to keep the Lentil eaters happy

alec wrote:

This is very interesting Karl.
Would that be compatible with a Vitara? I know it says Swift/SX4 but they are the same engine right? Or is the ECU different?


Alec I think it would be a great addition to any 2WD Vitara as the Sport Mode on Allgrip is a major bonus, having several options would be really interesting
The only thing you would need to confirm is the connector on the Vitara accelerator pedal is the same as that on a Swift, if you search ebay part# 49400-68L01 it shows the pedal assembly is the same as Vitara/S-Cross and Swift

This is a Vitara pedal connector...

ECU remapped Vitara23

I have a Electronic Throttle Controller en route from China for the SX4, once it is here (dont hold your breath) i will compare it to the Vitara pedal connector

**UPDATE**
Just found this S-Cross one on AliExpress (S-Cross is the same as Vitara pedal)

https://www.aliexpress.com/item/33027292132.html?spm=a2g0o.productlist.0.0.4e9d3db757EUOs&algo_pvid=e66be107-1749-4d39-9fb3-83ef9eed89a5&algo_expid=e66be107-1749-4d39-9fb3-83ef9eed89a5-2&btsid=e5d72707-4aba-4bee-a3be-969b74636235&ws_ab_test=searchweb0_0,searchweb201602_5,searchweb201603_53

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