DIY Cruise Control on 07-08 Yaris (step by step) - Toyota Yaris Forums

lily · 03-10-2010, 08:21 PM

I need some help from this install.

Got an '07 Yaris HB, base model, auto.

I did the 2 button setep from CTScott's PDF write-up.

I cannot get the 'cruise' to work after this mod.

What I did was soldered two resistors in series: a 270 and 380 for a 650 resistor. Then soldered the series as shown on the PDF for the 2 button setup.

I ran a wire to the PIN 40 on the ECU and grounded the other wire, but still nothing.

My questions are:

How far does the wire going into the ECU have to "stick" out to touch inside the ECU?........I have maybe 2 or 3 wires that stuck out from the harness, is that enough "contact" to make this work?

I grounded the other wire by just screwing/sandwiching into a grounded source on the driver's kick panel, <<< is this "good grounding"???

Is soldering a good idea to connect the series? <<< I soldered because the pins behind on the push buttons I got from Radio Shack were too small to work on.

I hope I am clear about my questions. It has been raining here so I would like some help soon so I could use this feature on my upcoming road-trip.

Thank you for your time.

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03-10-2010, 08:21 PM	#11
lily lily Drives: white plane jane Join Date: Oct 2009 Location: MN Posts: 21	I need some help from this install. Got an '07 Yaris HB, base model, auto. I did the 2 button setep from CTScott's PDF write-up. I cannot get the 'cruise' to work after this mod. What I did was soldered two resistors in series: a 270 and 380 for a 650 resistor. Then soldered the series as shown on the PDF for the 2 button setup. I ran a wire to the PIN 40 on the ECU and grounded the other wire, but still nothing. My questions are: How far does the wire going into the ECU have to "stick" out to touch inside the ECU?........I have maybe 2 or 3 wires that stuck out from the harness, is that enough "contact" to make this work? I grounded the other wire by just screwing/sandwiching into a grounded source on the driver's kick panel, <<< is this "good grounding"??? Is soldering a good idea to connect the series? <<< I soldered because the pins behind on the push buttons I got from Radio Shack were too small to work on. I hope I am clear about my questions. It has been raining here so I would like some help soon so I could use this feature on my upcoming road-trip. Thank you for your time.