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Gary
Gary, ASE Certified Technician
Category: Chrysler
Satisfied Customers: 744
Experience:  Senior Technician
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Chrysler PT Cruiser: this is john from jrs automotive i

Customer Question

hi this is john from jrs automotive i have a 09 pt cruiser and it has a cam crank corrilation of -111 and does not change when cranking t-belt has been changed along with cam and crank sensors. some one else has worked on it and i cant figure out what they did also crank signal drops out and when it did start it ran like the timing was retarded.
Submitted: 1 year ago.
Category: Chrysler
Expert:  Gary replied 1 year ago.
Hi John,
A correlation DTC means the two sensors are working but disagree with each other.
Valve timing is wrong.
Recheck the timing belt installation.
Gary
Customer: replied 1 year ago.
when i checked the timing the crank gear is 1/2 tooth off
Customer: replied 1 year ago.
every time we set it it will fire once and a while the crank signal jumps between 0 and 200 while cranking and then the corrilation will go to 0 and it will fire
Expert:  Gary replied 1 year ago.
Hi John,
You say the crank is 1/2 tooth off?
Set up the crank gear on the mark, where are the cam gears at that point?
Customer: replied 1 year ago.
were the gears are closest it is barely off but it seams to be one tooth on the sides farthest away from each other what is the best way to set them any tricks
Customer: replied 1 year ago.
they are to close to move if you move them a tooth its way off
Customer: replied 1 year ago.
before i crank it it shows -111 and cam/crank but no codes?
Expert:  Gary replied 1 year ago.
DTC P0111 is intake air temp, is it still disconnected?
Sounds like the timing is correct, but is the tensioner set correctly?
Which way did you turn the tensioner to set it? Clockwise or anti-clockwise?
Customer: replied 1 year ago.
the direction of the arrow it has to be lined up perfectly with the slot right? i don't have a dtc 111 negative 111 is the cam crank coralation reading but no codes.
Expert:  Gary replied 1 year ago.
Hi John,
Sounds like the timing installation is ok.
Does the engine run at all?
Is the crank sensor fitted correctly?
I had car a few years back (Opel Vectra JS 2.0 litre) where the owner replaced the crank sensor and the engine would still not start.
Data showed erratic crank signal. Turns out the sensor was not fully home in the block.
Customer: replied 1 year ago.
the engine will try and start once in a while but i have eratic spark to the plugs the crank signal is all over the place i got it to start once but it ran like it had no power and would only stay running if i held the pedal down. also the plugs are wet with gas. i put a new crank sensor in it i will check it but no spark most of the time.
Expert:  Gary replied 1 year ago.
John,
Looks like it's time for some wiring diagnosis.
Do you have a wiring diagram?
http://www.mediafire.com/download/lmvdwn2nywm/01-04CPTC.pdf
Press the green download button.
01-04CPTC (1) (1).pdf
Page 662 is about where I'd start for crank and cam sensor.
Gary
Customer: replied 1 year ago.
ok
Expert:  Gary replied 1 year ago.
John,
Let me know how you go, and whether you need any more help.
Gary
Customer: replied 1 year ago.
ok
Expert:  Gary replied 1 year ago.
Ok John.
Gary
Customer: replied 1 year ago.
should i have a 5 volt referance even when the key is off i get no crank signal
Expert:  Gary replied 1 year ago.
John,
I would say like all other cars, you should have a 5v reference, a ground, and a signal.
If one of those is missing, you have no crank signal, and a no start condition, as you have.
The 5v would normally only be present at the sensor with the key on.
Gary
Customer: replied 1 year ago.
my 5 volt is good i tested the cam sensor and i get a reading but the crank sensor when i crank the car gets 5 volts and does not change when cranking but the voltage changes at the cam sensor when i crank it. the crank sensor is new but i tested for readings at the three pins and it is open no matter how i test it
Customer: replied 1 year ago.
i have ground and 5 volt but no signal
Expert:  Gary replied 1 year ago.
Hi John,
I've looked at the circuit on page 662.
You say you 5v at pin 1 (Orange) at the CKP.
Do you have good ground at pin 2 (black/light blue)? Same 5v reading across pins 1 & 2?
Have you done end to end on CKP signal pin 3 (grey/black) to ECM C2 pin 35?
Is the new crank sensor the same depth as the old sensor?
Gary
Customer: replied 1 year ago.
yes to all i dont have the old sensor my worker put the new one in and cant tell me if it was the same and he chucked the old one i was thinking that also but one thing is if i do a resistance reading on the ckp sensor i should get a reading between pins right
Customer: replied 1 year ago.
i will check monday with the parts and see if it is right
Expert:  Gary replied 1 year ago.
Hi John,
That's good if you have proved all the wiring, 5v, ground and signal, and no shorts between any.
Now your worker needs a word to, for not checking if its the same (can't answer you?) AND for chucking the old one out. Bad practice on his part.
The sensor should have resistance readings from any two pins, ie:1 & 3, 1 & 2, 2 & 3.
I'll take a bet the sensor has got too large an air gap to the reluctor wheel.
I'll guess we'll see on Monday.
Gary
Customer: replied 1 year ago.
i rechecked my timing and it was off again i pulled off the gears for the cams and the pin on the intake cam was sheared off
Expert:  Gary replied 1 year ago.
Ok John,
Once you fix that, and set it all up again, you should be good.
So it really was a correlation code, a mismatch between both sensors since the valve timing was wrong.
Was the intake cam bolt undertorqued?
Hope you sort it.
Gary
Customer: replied 1 year ago.
thats the thing it was not setting a code the guy finally came clean and told me he did not have assembly lube so he packed the cam with bearing grease and clogged the oil ports and the intake cam seized for bit when he started it. Thanks for your time and info!

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