Acura Integra All Integra Except ITR

CEL #54-Crank Fluctuation Sensor

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Old May 3, 2008 | 01:22 PM
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Default CEL #54-Crank Fluctuation Sensor

So i pulled code #54 witht he paper clip trick and don't know what to do? should i just trick the ecu to think it's there somehow?


Modified by lmike6453 at 5:32 PM 5/3/2008
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Old May 3, 2008 | 09:13 PM
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ok so i tried splicing c1 and c4 together, and c11 and c14 together...
now when i start the car i get only cel 9 which is cyp sensor...
i checked my wiring 3 times with resetting the ecu wtf?!?!?
now no cel 54, but cel 9 which is worse
please help
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Old May 3, 2008 | 09:56 PM
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Default Re: (lmike6453)

Why not undo what you did. Than fix the CKF? Is the CKF sensor bad or you don't have one?
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Old May 3, 2008 | 10:04 PM
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the ckf is bad and i am going to give it another go in the morining cause it was raining here...
i'm just worried because i dont want the dizzy housing to have to be replaced
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Old May 4, 2008 | 05:52 AM
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ok fixed it this morning after researching how they work...just posting this for reference for others...

if you were to do the trick found on rywire or ffsquad and actually have a ckf sensor then it won't work....
what you have to do is splice c4 into c1, on obd2a, and snip the blue wire which is positive for ckf sensor...
i spliced in c11 and c14 grounds into each other and left then as is in case a ground goes bad, theres a backup...
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Old May 4, 2008 | 06:41 AM
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Old May 10, 2008 | 09:21 AM
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oh man im having the same problem. i even replaced the sensor, and im still getting a low voltage 54 code. Is it hard to do what you did to get the correct voltage? any help would help. i cant get my car to pass inspection with light on.
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Old May 10, 2008 | 09:26 AM
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not hard at all if you're the type of guy that messes with wires....
grab some quick connects/tap splicers from walmart(auto section by batteries) and post back if you get stuck...
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Old May 10, 2008 | 09:28 AM
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and another thing i was thinking that made the ckf sensor go bad is a small water pump leak that started a few months ago....
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Old May 11, 2008 | 10:39 AM
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Default Re: (lmike6453)

alright im deff down for doing this. i got some slices, but im having a hard time coming across a diagram for the ecu, i keep finding section a and b, but no c. Any idea where to pickup a good diagram? im pretty sure i dotn have a leak at the waterpump, but im goin to double check, but i dont see how that would effect low voltage at the crank sensor
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Old May 11, 2008 | 11:53 AM
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what year and model is your teggy?
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Old May 12, 2008 | 12:35 PM
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i have a 96 ls, gsr body, but all the wiring was switched over.
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Old May 12, 2008 | 06:18 PM
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ok, what year and model engine harness? and ecu?
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Old May 13, 2008 | 03:18 AM
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the harness is from the 97 ls, and so is the ecu. it was a full swap.
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Old May 13, 2008 | 04:12 AM
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ok just do what i did...fake the ecu to make her happy...
follow the instructions in this post and get an ecu pinout...
http://www.ff-squad.com/technet/wiring.obd2a.htm
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Old May 14, 2008 | 02:00 PM
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alright i was about to start doin this then i realized im not sure what blue wire you were talking about. so i have to snip the blue wire underneath the engine? or is there an easier was to snip under the dash?
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Old May 14, 2008 | 05:12 PM
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no, you snip the blue wire that is c1 on the diagram by the ecu...i snipped it about 2-3 inches from the ecu so i could rehook it if i need to...it is located as the top left wire on the blue plastic connecter(c)
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Old May 15, 2008 | 09:50 AM
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Default Re: (lmike6453)

so since i have the sensor in tho it wont work? i just did the trick and im still getting a engine light
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Old May 15, 2008 | 07:21 PM
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you have to cut blue wire, c1, from connecying to the ecu
then you splice c4, cyp positive wire, into c1
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Old May 17, 2008 | 10:24 AM
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alright i got it. i had to look over my work cuz it was raining and i had to work within the car. i didnt have a ground connected. whoooops

all good now. thanks a ton mann
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Old Oct 29, 2009 | 03:38 PM
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Default Re: CEL #54-Crank Fluctuation Sensor

Originally Posted by lmike6453
you have to cut blue wire, c1, from connecying to the ecu
then you splice c4, cyp positive wire, into c1
just to make sure, C1 does not go into the ECU at all, it just go together with C4?
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Old Oct 29, 2009 | 06:02 PM
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Default Re: CEL #54-Crank Fluctuation Sensor

This is great!I am pulling the same code as well on my ob2a 97 ls integra.I do have a ckf sensor and I was wondering if I did this trick what would be the difference between just doing this trick and actually getting the ckf sensor fixed the right way?
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