Honda/Acura Tech Honda tech discussion.

Need Help installing a vafc controller.

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Old Apr 20, 2009 | 02:23 PM
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wrxracer123123's Avatar
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Default Need Help installing a vafc controller.

i need some help installing a vafc for my 98 integra ls. i may just take it to a shop and let tem deal with it, but if anyone has any experience installing on (and can do it right) im willing to pay someone to install it for me. just name your price. thanks Mike

Heres what i got:
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Old Apr 20, 2009 | 03:49 PM
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whats done to the car? why are you installing it?
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Old Apr 20, 2009 | 04:06 PM
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not using it for tuning just for the gauges.i have a stock ls non vtec with a cold air intake.
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Old Apr 20, 2009 | 04:24 PM
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do it yourself.

30 seconds on google

http://www.apexi-usa.com/pdfInstallation/48.pdf
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Old Apr 20, 2009 | 06:02 PM
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One wire goes to your TPS output.

You will have 2 ignition wires, both of which can be tapped into any ignition wire.

There are 2 ground wires. The black one has to be further from the ECU ground than the brown one. I would connect the brown one very close and the black one about 5 inches further away. But be sure to connect them to the same ECU ground.

2 more wires are for your map input. Cut the map wire in half and one goes to the input of the vafc and the other one which is the wire that goes to the ecu will come out of the vafc. So basically you cut the map wire in half and the vafc goes in between to reestablish the connection.

Don't worry about the vtec wires. Just tape them off separately.
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Old Apr 20, 2009 | 06:03 PM
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Also, BEFORE STARTING THE MOTOR...be sure to make all the settings correct. Switch the vafc to 4cyl with the throttle arrow pointing up and to the right at a 45 degree angle. For the sensor in and out setting put the number 6 in both spots.
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Old Apr 21, 2009 | 03:26 AM
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240,
Thanks for helping that guy out. Rep for you, buddy.-Bob
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Old Apr 21, 2009 | 04:44 AM
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thanks for the help !
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Old Apr 21, 2009 | 11:24 AM
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lol...that entire write up and I forget to tell him you also need to run a wire to tach signal. Thanks for the rep.
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