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Bighorn98 ***
Joined: 23 Apr 2016 Posts: 201
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Posted: Wed Feb 20, 2019 3:54 Post subject: cam and crank volts |
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Hi guys, what is the volt reading for the cam and crank sensors on a volt meter IGN on?
Thanks |
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Posted: Wed Feb 20, 2019 3:54 Post subject: Google Ads keep this community free to join! |
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Bighorn98 ***
Joined: 23 Apr 2016 Posts: 201
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Posted: Sat Feb 23, 2019 2:54 Post subject: Re: cam and crank volts |
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Bighorn98 wrote: |
Hi guys, what is the volt reading for the cam and crank sensors on a volt meter IGN on?
Thanks |
I guess no one has had this question before, ok here is what I found so far after a year, the two J3 red wires should have 12 volts at key on, guess what one has nothing and I did the wire trace and it's good, so I am guessing that I have a bad relay \? any help is appreciated Ethan |
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Bighorn98 ***
Joined: 23 Apr 2016 Posts: 201
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Posted: Sun Feb 24, 2019 1:33 Post subject: Re: cam and crank volts |
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Bighorn98 wrote: |
Bighorn98 wrote: |
Hi guys, what is the volt reading for the cam and crank sensors on a volt meter IGN on?
Thanks |
I guess no one has had this question before, ok here is what I found so far after a year, the two J3 red wires should have 12 volts at key on, guess what one has nothing and I did the wire trace and it's good, so I am guessing that I have a bad relay \? any help is appreciated Ethan |
???? Nothing, no one?? |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Sun Feb 24, 2019 9:34 Post subject: |
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they are both 12v feed fed from the same wire that feeds the orcv which in turn is fed from the ecm relay2 |
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Bighorn98 ***
Joined: 23 Apr 2016 Posts: 201
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Posted: Mon Feb 25, 2019 20:17 Post subject: |
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eithan h wrote: |
they are both 12v feed fed from the same wire that feeds the orcv which in turn is fed from the ecm relay2 |
Hi Ethan, so where should I measure 5 volts on said sensors?
I have everything else working except I can't find 5 volts reading on the CMS or CKS.
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Bighorn98 ***
Joined: 23 Apr 2016 Posts: 201
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Posted: Mon Feb 25, 2019 22:10 Post subject: |
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eithan h wrote: |
they are both 12v feed fed from the same wire that feeds the orcv which in turn is fed from the ecm relay2 |
Hi Ethan, so where should I measure 5 volts on said sensors?
I have everything else working except I can't find 5 volts reading on the CMS or CKS.
Thanks |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Mon Feb 25, 2019 22:18 Post subject: |
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the sensors are 12v not 5v i'm not sure why you think they are 5? theres a 12v an earth and a signal wire |
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Bighorn98 ***
Joined: 23 Apr 2016 Posts: 201
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Posted: Mon Feb 25, 2019 22:21 Post subject: |
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eithan h wrote: |
the sensors are 12v not 5v i'm not sure why you think they are 5? theres a 12v an earth and a signal wire |
In the manual I think 6E- 116says in the diagram 5 volts |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Mon Feb 25, 2019 22:30 Post subject: |
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i think that is a typo as some sensors are 5v on the engine like the temp sensors but according to the wiring diagram the cam and crank are fed from a 12v feed which doesn't come from the ecu so if you got 12v at the sensors then they are getting a feed so then check for an earth and then when cranking you will need an oscilloscope to check the signal is ok |
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