help reving problem when i plug up p2p ecu(searched didnt find jack)
03-19-2004, 01:50 PM
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help reving problem when i plug up p2p ecu(searched didnt find jack)
ok quick reference to what i have, i have a 99 d16y8 in a 98 dx! well me and friend wired up vtec and the knock sensor last nite and when i plugged up my p2p and started it just sat there and reved up between 1 and 3 and just kept going back doing that and when we test drove it vtec didnt work or anything!so i plugged up my dx ecu and everything was fine just no vtec 
! so whats the deal bad ecu? or what? someone help me out want to get this running right before the DFW honda-tech meet! 
thanks
! so whats the deal bad ecu? or what? someone help me out want to get this running right before the DFW honda-tech meet! thanks
03-19-2004, 03:47 PM
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Re: help reving problem when i plug up p2p ecu(searched didnt find jack) (zeroracerh)
the idle air control on a DX is 3 wire....but on a ex its 2 wire...you have to get rid of one wire....orange one
that may be causing the jumping idle
as far as vtec....umm how do you know its not....sohc vtec is very subtle.....try hooking up a test probe light to the vtec signal wire yuo guys ran and see if its lights up when you get to the vtec crossover...if it is and the solinoids good your getting vtec.
but if theres no check engine light you should get vtec...
on DOHC vtec wireing the knock sensor is grounded too...make sure you wired up all the wires not just a signal wire to the knock and the vtec....if the knock isnt wired completly it may not code but it may not work either..
couple ideas to check
that may be causing the jumping idle
as far as vtec....umm how do you know its not....sohc vtec is very subtle.....try hooking up a test probe light to the vtec signal wire yuo guys ran and see if its lights up when you get to the vtec crossover...if it is and the solinoids good your getting vtec.
but if theres no check engine light you should get vtec...
on DOHC vtec wireing the knock sensor is grounded too...make sure you wired up all the wires not just a signal wire to the knock and the vtec....if the knock isnt wired completly it may not code but it may not work either..
couple ideas to check
03-19-2004, 04:41 PM
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Re: help reving problem when i plug up p2p ecu(searched didnt find jack) (pornstarSR)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by pornstarSR »</TD></TR><TR><TD CLASS="quote">the idle air control on a DX is 3 wire....but on a ex its 2 wire...you have to get rid of one wire....orange one
that may be causing the jumping idle
</TD></TR></TABLE>
You don't just get rid of it! You have to move it from one pin to another
I belive it was A13 to A12. Search the archives for IACV trouble shooting and you will find it.
that may be causing the jumping idle
</TD></TR></TABLE>
You don't just get rid of it! You have to move it from one pin to another
I belive it was A13 to A12. Search the archives for IACV trouble shooting and you will find it.
03-20-2004, 12:27 AM
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Re: help reving problem when i plug up p2p ecu(searched didnt find jack) (Spade)
ooops i worded that one wrong...sorry bout that... i can try to figure it out monday...when i get back to the shop and pull up the wire diagram
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