Electric Steering with Fail-Safe: No eBay module needed. Pics & Videos ! - Vintage Mustang Forums

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post #1 of 173 (permalink) Old 10-13-2016, 11:38 PM Thread Starter
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Electric Steering with Fail-Safe: No eBay module needed. Pics & Videos !

It has been couple of years since I first posted the Electric Steering idea. My car has progressed far enough and I was ready for it as well so I though I would share the direction I went.

Couple of months ago, I was at my location pic-a-part and ran into a 2010 Toyota Corolla and a 2009 Toyota Prius and I pulled both of them and took a risk. To my amazement, both of these worked on the bench with only the Ignition On, heavy gauge Power and Ground. That's it! 3 wire connection. After further digging and finding the service manuals, I found that these units go in to a Fail-Safe mode and provide steering effort that is just about right when the CAN BUS not present in about 10 seconds. No eBay module needed!

I was not done. I pulled a 2014 Kia Soul EPS, a 2010 Nissan Cube and a 2008 Nissan Versa and all worked in a Fail-Safe mode and without the eBay module. I also pulled a 2007 Toyota Yaris that also works in fail safe mode but requires a VSS signal.

The biggest advantage is obviously they all work in fail safe mode but also they have a remotely mounted ECU that can be unplugged. It's important to get the ECU when pulling the Electric Steering Column.

My testing leads me to believe that just about any Japanese car brand with Electric Steering works in Fail-Safe mode. I did test the Chevy Cobalt and does not work in Fail-Safe just like Saturn Vue even though they are all made by Koyo. For me, I would trust any EPS working in Fail-Safe mode as intended by the manufacture over adding external non-factory module. Lots of testing and development goes on in to these systems.

Below is the list of Car that I know of that has Fail-Safe Electric Steering:

2004-2009 Toyota Prius
2009-2013 Toyota Corolla
2006-2011 Toyota Yaris - (With ABS works in Fail-Safe).
2006-2011 Toyota Yaris - (Non-ABS needs VSS signal or flashing LED)
2007-2009 Nissan Versa
2009-2012 Nissan Cube
2012-2014 Kia Soul

I will be updating this list as I find more information.

Waid
Attached Images
File Type: jpg 1 Corolla Prius.jpg (96.4 KB, 369 views)
File Type: jpg 2 Prius Yaris.jpg (97.0 KB, 331 views)
File Type: jpg 3 Prius Yaris.jpg (95.8 KB, 308 views)
File Type: jpg 4 Cube Versa.jpg (96.9 KB, 299 views)
File Type: jpg 5 Cube Versa.jpg (95.6 KB, 297 views)
File Type: jpg 6 Kia Soul.jpg (97.1 KB, 272 views)
File Type: jpg 7 ECU.jpg (96.5 KB, 261 views)
File Type: jpg Saturn Vue 2.jpg (56.9 KB, 261 views)
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Last edited by Waid302; 10-14-2016 at 12:34 AM.
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post #2 of 173 (permalink) Old 10-13-2016, 11:41 PM Thread Starter
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Pics of lower shaft option:
Attached Images
File Type: jpg Collapsible 1.jpg (93.8 KB, 231 views)
File Type: jpg Collapsible 2.jpg (96.4 KB, 221 views)
File Type: jpg Collapsible 3.jpg (96.8 KB, 215 views)
File Type: jpg Double D 1.jpg (95.5 KB, 203 views)
File Type: jpg Double D 2.jpg (96.4 KB, 211 views)
File Type: jpg Lower rigid shaft option 1.jpg (97.5 KB, 201 views)
File Type: jpg Lower rigid shaft option 1a.jpg (97.2 KB, 194 views)
File Type: jpg Lower rigid shaft option 2.jpg (97.7 KB, 194 views)
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post #3 of 173 (permalink) Old 10-13-2016, 11:43 PM Thread Starter
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Pics of upper part of the column.
Attached Images
File Type: jpg 1 Upper Steering Shaft.jpg (95.2 KB, 207 views)
File Type: jpg 2 Upper Steering Shaft.jpg (95.5 KB, 194 views)
File Type: jpg 3 Upper Steering Column.jpg (97.1 KB, 199 views)
File Type: jpg 4 Upper Steering Column.jpg (94.7 KB, 190 views)
File Type: jpg 5 Upper Steering Column.jpg (95.3 KB, 182 views)
File Type: jpg 6 Upper Steering Column.jpg (95.7 KB, 187 views)
File Type: jpg 7 Back Bracket.jpg (96.1 KB, 182 views)
File Type: jpg 8 Prius Mounted.jpg (90.8 KB, 207 views)
File Type: jpg 9 Versa Mounted.jpg (93.6 KB, 208 views)
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post #4 of 173 (permalink) Old 10-13-2016, 11:45 PM Thread Starter
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Pics of Electric Steering with Steering Box
Attached Images
File Type: jpg 1 Lower Steering Shaft.jpg (94.3 KB, 176 views)
File Type: jpg 2 Prius Adapter.jpg (96.6 KB, 162 views)
File Type: jpg 3 Nissan Versa Intermediate Shaft.jpg (98.2 KB, 161 views)
File Type: jpg 4 Nissan Versa Intermediate Shaft.jpg (102.1 KB, 164 views)
File Type: jpg 5 Nissan Versa Intermediate Shaft.jpg (94.0 KB, 155 views)
File Type: jpg 6 Steeringbox.jpg (86.3 KB, 166 views)
File Type: jpg 7 Steeringbox.jpg (93.2 KB, 167 views)
File Type: jpg 8 Steeringbox.jpg (94.0 KB, 173 views)
File Type: jpg 9 Final Assembly.jpg (97.3 KB, 182 views)
File Type: jpg 9 Prius EPS.jpg (90.8 KB, 176 views)
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post #5 of 173 (permalink) Old 10-13-2016, 11:47 PM Thread Starter
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Pics with Rack and Pinion Setup. I will be posting pics of how to convert Cavalier Rack and Pinion to a Manual Steering correctly.
Attached Images
File Type: jpg 1 Lower Shaft.jpg (96.5 KB, 136 views)
File Type: jpg 2 Lower Shaft.jpg (97.4 KB, 122 views)
File Type: jpg 3 Lower Shaft.jpg (97.4 KB, 122 views)
File Type: jpg 4 Complete.jpg (96.7 KB, 139 views)
File Type: jpg 5 Lower Bearing Support.jpg (97.5 KB, 140 views)
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post #6 of 173 (permalink) Old 10-14-2016, 12:05 AM Thread Starter
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Circuit Diagrams:

I will be posting the wiring diagrams here.

Last edited by Waid302; 10-14-2016 at 12:15 AM.
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post #7 of 173 (permalink) Old 10-14-2016, 12:09 AM Thread Starter
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YouTube Video Links:





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Last edited by Waid302; 10-14-2016 at 12:34 AM.
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post #8 of 173 (permalink) Old 10-14-2016, 01:29 PM
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Well, done sir. Looking forward to all the information you can give. I hate my Borgeson and look forward to an alternative to replace it.

Sorry for the perhaps ignorant question but which ECU do you need to get? The one for the car? Or is there a separate one that specifically controls the EPAS.

I am literally shopping on Ebay right now and none of the prius columns I am seeing seem to come with any sort of control box that I can tell.


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post #9 of 173 (permalink) Old 10-14-2016, 01:32 PM Thread Starter
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My contribution to this forum for the help I received !

Waid
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post #10 of 173 (permalink) Old 10-14-2016, 01:48 PM Thread Starter
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Look for 89650-47102. Look for 2004-2009 Prius Steering ECU.

Waid

Last edited by Waid302; 10-14-2016 at 01:56 PM.
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post #11 of 173 (permalink) Old 10-14-2016, 02:19 PM
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In your opinion which column would be the best donor for a 1968 style collapsible column? And for an earlier long-shaft column?
I'm not real clear on what all would need to be done to retain the stock look and fit of the upper column on '65-68 cars either. Lots of info presented though, perhaps I'm overlooking some. I freely admit to being a video how-to hater, so tend to fast forward through them with the sound muted when I just have to watch one.
You've obviously put a lot of time and effort into all this, thanks!
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post #12 of 173 (permalink) Old 10-14-2016, 03:43 PM
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Well this is awesome. Based on your experimentation, are there any that look to be a better solution from a packaging standpoint? I know things can be tight for the 65-66 guys.

I'm not an expert, but I play one on the internet.
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post #13 of 173 (permalink) Old 10-14-2016, 03:53 PM Thread Starter
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Wiring Diagrams
Attached Images
File Type: jpg 2007 Yaris.jpg (90.4 KB, 135 views)
File Type: jpg 2008 Versa.jpg (76.2 KB, 121 views)
File Type: jpg 2009 Toyota Prius.jpg (91.4 KB, 114 views)
File Type: jpg 2010 Nissan Cube.jpg (85.2 KB, 98 views)
File Type: jpg 2014 Kia Soul.jpg (65.9 KB, 87 views)
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post #14 of 173 (permalink) Old 10-14-2016, 04:14 PM Thread Starter
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ECU Part Numbers:

2004-2009 Toyota Prius 89650-47102
2009-2013 Toyota Corolla 89650-02300
2006-2011 Toyota Yaris - (With ABS) 89650-52120 / 52050
2006-2011 Toyota Yaris - (Non-ABS) 89650-52070 & 520140
2007-2009 Nissan Versa 28500-EM30A / 991-30303
2009-2012 Nissan Cube 28500-1FC0B / JL501-000932
2012-2014 Kia Soul B2563-99500 / 4PSG1312 / FPSG1312


Note: The Prius & Yaris Steering ECU are interchangeable. Since Prius is the best selling Hybrid and Corolla is the best selling car in its class, they are easy to find. Also the output shaft is little bigger and therefore the Borgeson 312500, 11/16 36 X 3/4 smooth bore Weld On fits nicely over the Prius/Yaris/Corolla EPS. It fit's little loose on Saturn Vue EPS.

If you have a steering box, the Prius/Corolla EPS with Borgeson 312500 is best bet.


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File Type: jpg Borgeson 312500.jpg (19.1 KB, 69 views)

Last edited by Waid302; 10-14-2016 at 04:33 PM.
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post #15 of 173 (permalink) Old 10-14-2016, 04:29 PM
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Great work, thanks Waid.

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