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Vtec solenoid testing?

Old 08-08-2005, 03:42 PM
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Default Vtec solenoid testing?

Well, after all of the ---- I have put up with on this car lately I thought I finally had it. I finished the mini-me, I fixed little problems here and there, and I got the timing fixed so the car actually ran worth a ----.

Now.....Vtec isn't engaging. I have it wired through a solenoid in my car like this:


And that solenoid clicks over just like it should. I just don't think the Vtec solenoid is clicking over on the head. Is there any way for me to test the solenoid?
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Old 08-08-2005, 05:09 PM
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Default Re: Vtec solenoid testing?

run a toggle swithch to it click it on get rough rough idle solenoid works
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Old 08-08-2005, 05:28 PM
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Default Re: Vtec solenoid testing?

I've already got the solenoid pulled off the head. If I just run a wire from the battery to the grayish plug with one pin should that turn the vtec solenoid over?
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Old 08-08-2005, 08:59 PM
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Default Re: Vtec solenoid testing?

ground which pin? I think we may have just found my real problem!!!!
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Old 08-08-2005, 09:17 PM
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Default Re: Vtec solenoid testing?

Its a solenoid. Just use an Ohm meter!
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Old 08-09-2005, 11:11 AM
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Default Re: Vtec solenoid testing?

Originally Posted by jagojon3
You will also need to ground the solenoid, but yes that should kick it on.
there's no ground on the vtack solenoid

if the solenoid pops when you touch the wire straight to a 12v source, then that means the solenoid is good, now the question is if the ecu is sending 12v to the solenoid when it's suppose to. are you running a chipped ecu? obd0 or obd1? hook a 12v led up to the ecu, put the positive wire on the vtec pin out, and the negative on a ground, then drive the car, if the led lights up when you should hit vtec, that means the ecu is functioning properly also.
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Old 08-09-2005, 12:10 PM
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Default Re: Vtec solenoid testing?

Well, throwing 12V+ at it doesn't do anything to it so I'll assume it is bad.
And yes, I know for a fact that it isn't the ECU. I'm running a xenocron chipped PM6 w/ TurboEDIT 1-wire Vtec. My maps have been properly hex edited as per gimpyaccord/splittime's instructions on PGMFI to get 1-wire vtec to work. I still may test with the led though.
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Old 08-09-2005, 07:43 PM
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Default Re: Vtec solenoid testing?

Originally Posted by jagojon3
I know there isn't a ground pin on a vtec solenoid, just one wire for power to activate it. But I thought it was grounded through the body of the solenoid. How can you activate it with no ground? That's like connecting only the positive end of a battery to a light bulb and having it turn on. Am I missing something here?
toggle switch old school ghetto vtec
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