Ill give you guys the basics on the car. Has a obd1 b16a with a conversion harness. She did have the APEXI NEO AFC on the car. Sold it and a few days after getting rid of it...vtec didnt work.I know that has nothing to do with it just saying. I traced my vtec wire from the ecu and nothing wrong there. Im dumbfounded, i have oil, of course that was the first thing i checked. Any input?

 

ok...so noone has any ideas? i doubt that

 

sometimes you have to wait more then 2 hours for an answer.

Are you meeting all the criteria for Vtec to work? Just sitting in your driveway revving your cold engine wont work.

Also did you use the search function before you asked this question?

 

from the FAQ:

https://honda-tech.com/zerothread?id=1812135

 

1 is your motor cold cause vtec does not engage when motor is cold
2 is there oil in the motor cause vtec also does not engage without oil and vtec motors do eat oil so check
3 check your vtec wiring and make sure its right
4 maybe bad ecu

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ep4life &raquo;</TD></TR><TR><TD CLASS="quote">1 is your motor cold cause vtec does not engage when motor is cold
2 is there oil in the motor cause vtec also does not engage without oil and vtec motors do eat oil so check
3 check your vtec wiring and make sure its right
4 maybe bad ecu</TD></TR></TABLE>
#1 drive it all day and is warmed up still no vtec
#2 yes plenty of royal purple lol
#3 already checked wiring
#4 have no clue how to check into that but ill see

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by biggee &raquo;</TD></TR><TR><TD CLASS="quote">

Are you meeting all the criteria for Vtec to work? Just sitting in your driveway revving your cold engine wont work.

Also did you use the search function before you asked this question?</TD></TR></TABLE>

i wouldnt wanna hit vtec just reving in my driveway anyways lol

 

Get a wires, connect it to the + on the battery. Then touch it to the single wire on the vtec solenoid if it clicks its good. If it doesent thats your problem.
Also check the screen behind the vtec solenoid, and check the vtec oil pressure switch.

Look at your ecu if a red light is flashing yours throwing a code.

 

i was thinkin it was the screen. jdm ecu so no flash

 

jdm ecu no flash?
Yea it does, mine is a "JDM" also pr3 still has the led light.

 

the hole for viewing the LED on the ECU is upside down on usdm cars...you'll need to pull the cover off to see it on the JDM ecu

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by zrickety &raquo;</TD></TR><TR><TD CLASS="quote">the hole for viewing the LED on the ECU is upside down on usdm cars...you'll need to pull the cover off to see it on the JDM ecu</TD></TR></TABLE>

on the obd1 jdm gsr? if so ill try that

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ef9_b20 &raquo;</TD></TR><TR><TD CLASS="quote">

on the obd1 jdm gsr? if so ill try that</TD></TR></TABLE> OBD-1? Jump the service connector and count how many times the MIL flashes on the dash.

 

Please keep this all in one thread. https://honda-tech.com/zerothread?id=2244625

 

You kids are funny with your JDM ecu garbage........

If its 0BD1 it wont flash on the ECU....you use a jump wire and count the flashes of the check engine light.......

 

black wire came unshrink wrapped...dont know where the wire goes too. located on the vtec selonoid sensor.

 

I just want to say thank you for using the proper term of engage and not saying your vtec isnt cracking...I just thought it was nice ok bye now...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 91DBSexyTime &raquo;</TD></TR><TR><TD CLASS="quote">I just want to say thank you for using the proper term of engage and not saying your vtec isnt cracking...I just thought it was nice ok bye now...</TD></TR></TABLE>

lol i hate you.

 

If vtec still hasn't engaged for you, I would say check the wiring AGAIN, and do you have an obd1 dizzy?

i dont THINK i read that you said that, but i just did the conversion successfully the first time today, and you have to have the dizzy with the obd1 ecu...you might, i just didnt read that you did, so im throwing stuff at ya

good luck man

 

the only thing i need to know is where does the black wire go that comes out of the sensor for vtec selonoid...it came unshrink wrapped and i would figure id see the wire just chillin there but i dont

 

You need to be more specific... Is the b16a a usdm engine or jdm? Since you say it is obd1... That doesn't help much.

Well you said it is from the sensor so the black wire is a ground. Just ground the wire to the solenoid. The would be why vtec isn't engaging also. Have you checked for codes yet? Also do you have a check engine light?

edited:Reread what OP was talking about and corrected myself.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ef9_b20 &raquo;</TD></TR><TR><TD CLASS="quote">black wire came unshrink wrapped...dont know where the wire goes too. located on the vtec selonoid sensor.</TD></TR></TABLE>

The black wire is for the V-tec pressure switch and thats a ground wire so just put a round terminal end and ground it to metal near the v-tec solenoid. Good luck!

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ef9_b20 &raquo;</TD></TR><TR><TD CLASS="quote">Ill give you guys the basics on the car. Has a obd1 b16a with a conversion harness. </TD></TR></TABLE>

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 2slow4stock &raquo;</TD></TR><TR><TD CLASS="quote">You need to be more specific... Is the b16a a usdm engine or jdm? Since you say it is obd1... That doesn't help much.

Well you said it is from the sensor so the black wire is a ground. Just ground the wire to the solenoid. The would be why vtec isn't engaging also. Have you checked for codes yet? Also do you have a check engine light?

edited:Reread what OP was talking about and corrected myself. </TD></TR></TABLE>

and check engine light stays on constantly since i had the car and Fastech Motorsports did all the wiring in the car

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by monotech &raquo;</TD></TR><TR><TD CLASS="quote">

The black wire is for the V-tec pressure switch and thats a ground wire so just put a round terminal end and ground it to metal near the v-tec solenoid. Good luck!</TD></TR></TABLE>

thank you! will do tomorrow

 

Alright, so good luck with that. Also check the codes out and fix em :D