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A4 and A17 do what?

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Old 09-14-2009, 11:56 PM
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Default A4 and A17 do what?

so what does a4 and a17 do, what volts is it suppose to read?
Old 09-15-2009, 12:02 AM
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Default Re: A4 and A17 do what?

what's a4 and a17?
Old 09-15-2009, 01:19 AM
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Default Re: A4 and A17 do what?

obd0, obd1, obd2a or obd2b?
Old 09-18-2009, 09:53 PM
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Default Re: A4 and A17 do what?

sorry obd1 ecu plugs
Old 09-18-2009, 10:15 PM
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Default Re: A4 and A17 do what?

for some reason I want to say EGR?
Nope, A4 is VTEC spool solenoid (the solenoid to engage VTEC) and A17 is for the IABs...the butterflies in the GSR intake manifold.
Old 09-19-2009, 04:00 AM
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Default Re: A4 and A17 do what?

Don't know what the voltage should read...


Old 09-21-2009, 10:13 PM
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Default Re: A4 and A17 do what?

how come in my wire diagram it goes to the main relay branching off each other at the ecu, maybe i got the wrong pins
Old 09-21-2009, 11:49 PM
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Default Re: A4 and A17 do what?

sorry, chilton manuel read the pin outs across not up down, up down it would be a7 and a8
Old 09-24-2009, 08:18 PM
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Default Re: A4 and A17 do what?

no one knows?
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