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Old 03-17-2010, 10:32 AM   #163
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Originally Posted by fratzica View Post
So this is what I found under the steering column in my EU spec 08` Yaris D-4D.
I have the brown and blue wires but both in the wrong pin locations.
Sorry for the blueish color, i took the photos with my cellphone.
Those are for the steering wheel radio controls.
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Old 03-17-2010, 10:42 AM   #164
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Damn...
I really need the cruise control function because I drive a lot outside town and I get tired of holding the accelerator pedal at a certain speed. Probably got used to the cruise control because my last car had this function. Just yesterday i drove almost 1000 km or 620 miles and had to take a 1 hour nap on the return trip. I know 620 miles is not a lot in the US due to your highway system, but in my country we have only 2 (yes, two) highways, most of the roads having one lane for each direction only.
Anyway.. I`ll try to find a cheaper solution :)
Thank you Scott for your help!
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Old 03-17-2010, 11:01 AM   #165
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Damn...
I really need the cruise control function because I drive a lot outside town and I get tired of holding the accelerator pedal at a certain speed. Probably got used to the cruise control because my last car had this function. Just yesterday i drove almost 1000 km or 620 miles and had to take a 1 hour nap on the return trip. I know 620 miles is not a lot in the US due to your highway system, but in my country we have only 2 (yes, two) highways, most of the roads having one lane for each direction only.
Anyway.. I`ll try to find a cheaper solution :)
Thank you Scott for your help!

You might want to contact the company in the link below. They are based in Denmark and make cruise control kits for various vehicles that can even use the OEM cruise control stalk. They definitely make one for the Auris D-4D, so they should have one for the Yaris D-4D as well.

http://www.el-pas.com/products_ecruise.htm
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Old 03-17-2010, 11:12 AM   #166
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Just sent them an e-mail. Fingers crossed :D
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Old 03-17-2010, 11:46 AM   #167
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Just sent them an e-mail. Fingers crossed :D
Here's another potential option; I believe that The Rostra cruise control kit, which is used as the dealer added cruise control on US Yaris, would work as well.

I just noticed in the EWDs for the D-4D, that the wiring to the accelerator pedal (connector A20) is the same as for our US cars. The Rostra kit connects to the accelerator pedal connector, the neutral safety switch (AT) or tach wire (MT), the vehicle speed sensor wire, and the brake switch. So, I think it would work fine on your D-4D.

Here's a place that sells the Rostra kits for $249:

http://www.thecruisecontrolstore.com...g/X380183/0003
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Old 03-17-2010, 12:02 PM   #168
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thecruisocontrostore.com ships only in the US and Canada.. Let`s see what the people from el-pas.com say.
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Old 03-19-2010, 02:14 PM   #169
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Tried this, Not working, HELP!

Ok Guys I tried this MOD today and it doesn't work. I used 2 NO Switches and 1 680ohm 1/2 5% cfr resistor, grounded to chasis at the drivers side door and hot to PIN 40 of the ECM. Jumpered the Clutch switch and took it for a test drive. NADA.
I'm wondering if the resistor may be the problem or if the problem could be that I used 20 Gauge solid and not stranded wire, (shouldn't make a difference I wouldn't think), to build the circuit and run the hot and ground. every thing checked and doubled checked, any Ideas? BTW, I am using the 2 switch method not the 4.
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Old 03-19-2010, 02:28 PM   #170
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Ok Guys I tried this MOD today and it doesn't work. I used 2 NO Switches and 1 680ohm 1/2 5% cfr resistor, grounded to chasis at the drivers side door and hot to PIN 40 of the ECM. Jumpered the Clutch switch and took it for a test drive. NADA.
I'm wondering if the resistor may be the problem or if the problem could be that I used 20 Gauge solid and not stranded wire, (shouldn't make a difference I wouldn't think), to build the circuit and run the hot and ground. every thing checked and doubled checked, any Ideas? BTW, I am using the 2 switch method not the 4.

How did you make the connection to pin 40?

Solid vs stranded shouldn't make a difference, but with the 680 ohm resistor being near the top end of the range (567-693 ohms), if your 5% tolerance is off in the + direction, then you may be out of range for the set function. +5% on 680 puts you up to 714 ohms.
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Old 03-19-2010, 03:38 PM   #171
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I made the connection direct to PIN 40 on the ECM. Ran positive wire thru firewall to the ECM pushed out the rubber block and fed the wire down til it came out the other side and trimmed it as close to the connector as possible. Put the wire shield back on and re-connected the ECM....Should I try using 2 - 330ohm resistors they are a quarter watt but the wattage shouldn't make that much of a difference I don't think should it?
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Old 03-19-2010, 03:45 PM   #172
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I made the connection direct to PIN 40 on the ECM. Ran positive wire thru firewall to the ECM pushed out the rubber block and fed the wire down til it came out the other side and trimmed it as close to the connector as possible. Put the wire shield back on and re-connected the ECM....Should I try using 2 - 330ohm resistors they are a quarter watt but the wattage shouldn't make that much of a difference I don't think should it?
Since you are using a wire, rather than the connector pin, make sure that the connection is good. You can measure the voltage at the other end of that wire and with the ignition on it should be 12V.

For the resistor(s), 1/4 watt is fine (even 1/8 watt would be fine, as the current draw is negligible).
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Old 03-19-2010, 03:51 PM   #173
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Whatt would you suggest? Leave the wires as they are and cut at the switches and rebuild the circuit then splice back into the wires already ran, I would rebuild it using a radioshack 560 ohm 1/2W 5% Carbon Film Resistor. Or, should I just tear everything out and start fresh, new circuit, new wires, etc. Thanks for the help I really appreciate it. I want Cruise soo bad!!!! lol
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Old 03-19-2010, 03:57 PM   #174
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Would it be safe to leave the clutch jumpered until I can buy the acutal switch from the dealer? I know I would have to be careful NOT to push the clutch down until after I disengaged the cruise.
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Old 03-19-2010, 04:33 PM   #175
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Whatt would you suggest? Leave the wires as they are and cut at the switches and rebuild the circuit then splice back into the wires already ran, I would rebuild it using a radioshack 560 ohm 1/2W 5% Carbon Film Resistor. Or, should I just tear everything out and start fresh, new circuit, new wires, etc. Thanks for the help I really appreciate it. I want Cruise soo bad!!!! lol
You could rebuild it and splice it back in.
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Old 03-19-2010, 04:36 PM   #176
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Would it be safe to leave the clutch jumpered until I can buy the acutal switch from the dealer? I know I would have to be careful NOT to push the clutch down until after I disengaged the cruise.
It is, as long as you do remember.
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Old 03-19-2010, 09:26 PM   #177
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ok Scott I'm gonna try to rebuild the circuit and splice it back in. The 560 ohm 1/2w resistor with 5% CFR would be ok right? It would put me at 588 ohms almost at the middle of the scale but better than 714 ohms. Another thing I just noticed is the switches I bought Radioshack catalog #: 275-644 don't say whether they are NO or NC, Would these switches Radioshack catalog #: 275-1566, be better? I know they have to be NO switches, just wondering if that could be the problem I got NC instead of NO switches.
A 560 is probably too low. The 5% can go either way, so if you use a resistor close to either end, you really should check it with an ohm meter to verify what the actual value is. Being within the range is critical. If you are out of band, the ECM will not recognize the function.

The 275-644 switches are N.O., so they are fine.
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Old 03-19-2010, 09:57 PM   #178
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ok I checked my NEW switch and have 12 volts at the circuit end of the run wires with the ignition in the "on" position, so I have a connection to the ECM. Still nada. I'm stumped.

I'm thinking I should use 2- 330 ohm resistors, that would put with in the band +/- 5%.
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Old 03-19-2010, 10:02 PM   #179
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Did you check the actual resistance of your resistor?
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Old 03-19-2010, 10:23 PM   #180
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Scott, just replaced risistors with 2 330 ohm resistors, still nada, resistance at 630 well with in the band...I am perplexed....now what?

Last edited by weaver615; 03-19-2010 at 11:45 PM.
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