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Subject Topic: vehicle injection computer

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naldo
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Posted: October 25, 2011 at 11:14 PM - IP Logged
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Please i need a vehicle injection computer diagram for 06 toyota sienna LE, i am looking for a speed detection circuit lead to connect the after market navigation..thank you
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i am an idiot
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Posted: October 25, 2011 at 11:34 PM - IP Logged
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You need to find a speed sense wire.  Fuel injector / Tachometer wiring have nothing to do with speed of the vehicle.

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naldo
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Posted: October 26, 2011 at 6:50 AM - IP Logged
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Where/how can i find it? Any idea what colour is the wire? Coz i have no idea..thanks
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flobee4
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Posted: October 26, 2011 at 9:22 AM - IP Logged
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The color is purple/white

Its found in a few locations. First it should be in one of the plugs at the back of the factory radio. That would make it really easy. It also can be found at the ECM located behind the glovebox, in the second plug down from the top. Its also found behind the instrument panel, pin 36 of the 40 pin plug that is plugged into the cluster.
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naldo
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Posted: October 26, 2011 at 10:18 AM - IP Logged
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Is this the speed detection circuit lead? Thanks
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naldo
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Posted: October 26, 2011 at 2:23 PM - IP Logged
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Anyone know if i need a module for 06 sienna LE? I want to put a pioneer avic-n1 with navigation, please let me know!! Thanks
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flobee4
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Posted: October 26, 2011 at 4:07 PM - IP Logged
Link to Post  Post Reply Quote flobee4

yes this is where you would connect your Pink "speed sense" wire coming off the Pioneer unit. The speed sense wire is a direct connection, no module needed.
As far as the rest of the basic wiring, I would only recommend you using a wiring harness. Check your vehicle at Metra Web site for which wiring harness and which dash kit you might need to make your install go smoothly.
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naldo
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Posted: October 27, 2011 at 7:15 AM - IP Logged
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Is it purple with white or purple & white? Just want to make sure!! Thanks
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naldo
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Posted: October 27, 2011 at 9:43 AM - IP Logged
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I found the wire but the unit does'nt came on,,do u know why? I check all the connection everything was ok, maybe there is something with unit? How to check the unit if its working?thanks a lot..
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flobee4
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Posted: October 27, 2011 at 12:12 PM - IP Logged
Link to Post  Post Reply Quote flobee4

Check for 12volt at your red wire, yellow wire, and make sure you have ground at your black wire. For checking you will need a Voltmeter or a Test light. If you have 12volts and ground, the radio should at least turn on. Also, make sure the N1's brain is plugged in securely at both the head unit and brain box.
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