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How to calibrate DBW Throttle Body?

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Old 10-03-2014, 10:05 AM
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Default How to calibrate DBW Throttle Body?

So, I need to know how to adjust the set screw on the DBW throttle body and how to get the ECU in sync as it should be.

Does anyone have directions on how to do this?

Here is something I found for an 8th Gen Civic
http://www.8thcivic.com/forums/diy-h...procedure.html

The reason I want to do this is because I believe mine is not working as it should be. When I slightly actuate the APP sensor module, I'll notice the throttle plate actually reduce its opening angle initially!

For example, at 0% APP, TOA will be 4%. But going to 1% APP, TOA goes to 3%. Then going to 2% APP, TOA goes back to 4% and then continues further normally.

I believe the mechanical resting state of the throttle body does not match the expected resting state according to the ECU. So I need to find a way to sync them up. I've tried just adjusting the set screw and it has helped but if there is an 'officially correct' way to do this, I'd like to try that.

Looks like there is a special procedure in the Honda HDS system to relearn the closed state position.
http://www.v6performance.net/forums/...y-relearn.html

Thanks.
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