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

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post #1 of 137 (permalink) Old 10-14-2016, 12:38 AM 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, 311 views)
File Type: jpg 2 Prius Yaris.jpg (97.0 KB, 282 views)
File Type: jpg 3 Prius Yaris.jpg (95.8 KB, 262 views)
File Type: jpg 4 Cube Versa.jpg (96.9 KB, 258 views)
File Type: jpg 5 Cube Versa.jpg (95.6 KB, 255 views)
File Type: jpg 6 Kia Soul.jpg (97.1 KB, 232 views)
File Type: jpg 7 ECU.jpg (96.5 KB, 222 views)
File Type: jpg Saturn Vue 2.jpg (56.9 KB, 220 views)
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Last edited by 52681; 10-14-2016 at 01:34 AM.
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post #2 of 137 (permalink) Old 10-14-2016, 12:41 AM Thread Starter
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Pics of lower shaft option:
Attached Images
File Type: jpg Collapsible 1.jpg (93.8 KB, 190 views)
File Type: jpg Collapsible 2.jpg (96.4 KB, 179 views)
File Type: jpg Collapsible 3.jpg (96.8 KB, 177 views)
File Type: jpg Double D 1.jpg (95.5 KB, 168 views)
File Type: jpg Double D 2.jpg (96.4 KB, 175 views)
File Type: jpg Lower rigid shaft option 1.jpg (97.5 KB, 165 views)
File Type: jpg Lower rigid shaft option 1a.jpg (97.2 KB, 162 views)
File Type: jpg Lower rigid shaft option 2.jpg (97.7 KB, 162 views)
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post #3 of 137 (permalink) Old 10-14-2016, 12:43 AM 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, 168 views)
File Type: jpg 2 Upper Steering Shaft.jpg (95.5 KB, 154 views)
File Type: jpg 3 Upper Steering Column.jpg (97.1 KB, 163 views)
File Type: jpg 4 Upper Steering Column.jpg (94.7 KB, 156 views)
File Type: jpg 5 Upper Steering Column.jpg (95.3 KB, 146 views)
File Type: jpg 6 Upper Steering Column.jpg (95.7 KB, 151 views)
File Type: jpg 7 Back Bracket.jpg (96.1 KB, 147 views)
File Type: jpg 8 Prius Mounted.jpg (90.8 KB, 167 views)
File Type: jpg 9 Versa Mounted.jpg (93.6 KB, 169 views)
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post #4 of 137 (permalink) Old 10-14-2016, 12:45 AM 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, 151 views)
File Type: jpg 2 Prius Adapter.jpg (96.6 KB, 138 views)
File Type: jpg 3 Nissan Versa Intermediate Shaft.jpg (98.2 KB, 136 views)
File Type: jpg 4 Nissan Versa Intermediate Shaft.jpg (102.1 KB, 140 views)
File Type: jpg 5 Nissan Versa Intermediate Shaft.jpg (94.0 KB, 130 views)
File Type: jpg 6 Steeringbox.jpg (86.3 KB, 141 views)
File Type: jpg 7 Steeringbox.jpg (93.2 KB, 142 views)
File Type: jpg 8 Steeringbox.jpg (94.0 KB, 145 views)
File Type: jpg 9 Final Assembly.jpg (97.3 KB, 154 views)
File Type: jpg 9 Prius EPS.jpg (90.8 KB, 149 views)
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post #5 of 137 (permalink) Old 10-14-2016, 12:47 AM 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, 117 views)
File Type: jpg 2 Lower Shaft.jpg (97.4 KB, 103 views)
File Type: jpg 3 Lower Shaft.jpg (97.4 KB, 104 views)
File Type: jpg 4 Complete.jpg (96.7 KB, 118 views)
File Type: jpg 5 Lower Bearing Support.jpg (97.5 KB, 121 views)
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post #6 of 137 (permalink) Old 10-14-2016, 01:05 AM Thread Starter
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Circuit Diagrams:

I will be posting the wiring diagrams here.

Last edited by 52681; 10-14-2016 at 01:15 AM.
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post #7 of 137 (permalink) Old 10-14-2016, 01:09 AM Thread Starter
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YouTube Video Links:





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Last edited by 52681; 10-14-2016 at 01:34 AM.
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post #8 of 137 (permalink) Old 10-14-2016, 02:29 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 137 (permalink) Old 10-14-2016, 02:32 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 137 (permalink) Old 10-14-2016, 02:48 PM Thread Starter
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Look for 89650-47102. Look for 2004-2009 Prius Steering ECU.

Waid

Last edited by 52681; 10-14-2016 at 02:56 PM.
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post #11 of 137 (permalink) Old 10-14-2016, 03:19 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 137 (permalink) Old 10-14-2016, 04:43 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 137 (permalink) Old 10-14-2016, 04:53 PM Thread Starter
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Wiring Diagrams
Attached Images
File Type: jpg 2007 Yaris.jpg (90.4 KB, 116 views)
File Type: jpg 2008 Versa.jpg (76.2 KB, 102 views)
File Type: jpg 2009 Toyota Prius.jpg (91.4 KB, 93 views)
File Type: jpg 2010 Nissan Cube.jpg (85.2 KB, 81 views)
File Type: jpg 2014 Kia Soul.jpg (65.9 KB, 73 views)
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post #14 of 137 (permalink) Old 10-14-2016, 05:14 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, 57 views)

Last edited by 52681; 10-14-2016 at 05:33 PM.
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post #15 of 137 (permalink) Old 10-14-2016, 05:29 PM
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Great work, thanks Waid.

Bob


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