V6 into a RHD Chrysler Neon mk1

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Mitsuru
Posts: 2300
Joined: Thu Jan 06, 2011 1:42 am
Location: County Durham

Re: V6 into a RHD Chrysler Neon mk1

#941 Post by Mitsuru »

I know what you mean about the ecu and prn switch as It wouldn't even
engage the starter previously till I wired it into the voyagers switching on
the transmission. After a previous neon had problems, I found that the
ecu's used by Dodge/Chrysler vehicles used the mounting brackets for
earthing so I have since tapde and thread holes to apply a separate earth
to the ecu casing.

With the voyager, intrepid and some other Dodge/Chrysler vehicles use
separate control modules for engines and transmissions which talk on a
bus type system. The only real difference between an auto or manual is the
wiring. If auto then the signal/power supply is from the prn switch or from a
manual a switch showing the clutch pedal is pressed for startup (depending
on vehicle)
I'm Diabetic,& disabled BUT!! NOT DEAD YET!!
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Mitsuru
Posts: 2300
Joined: Thu Jan 06, 2011 1:42 am
Location: County Durham

Re: V6 into a RHD Chrysler Neon mk1

#942 Post by Mitsuru »

Back on the car after a spate of ill health and before the bad weather which is
forecast for tomorrow. There is a signal for the automatic shut down relay from
the ecu.
I'm wondering if I've crossed a wire somewhere!!
I'm Diabetic,& disabled BUT!! NOT DEAD YET!!
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TerryG
Posts: 6758
Joined: Wed Jan 05, 2011 1:54 pm
Location: East Midlands

Re: V6 into a RHD Chrysler Neon mk1

#943 Post by TerryG »

If the ECU is OBDII then you could plug in a reader and see if it will tell you what is missing. If not you could look for a logic diagram showing you what the minimum inputs are required for your specific ECU to enable the various circuits? You may find it is as simple as one sensor or as complicated as needing every one.
Understeer: when you hit the wall with the front of the car.
Oversteer: when you hit the wall with the back of the car.
Horsepower: how fast you hit the wall.
Torque: how far you take the wall with you.
3xpendable
Posts: 814
Joined: Tue Apr 12, 2011 8:03 am

Re: V6 into a RHD Chrysler Neon mk1

#944 Post by 3xpendable »

I must admit, this is why I stick to older cars!
2013 Dodge Durango R/T
2019 Ford Mustang Bullitt.
1965 Ford Anglia 106e Estate (Wagon). LHD.
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TerryG
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Location: East Midlands

Re: V6 into a RHD Chrysler Neon mk1

#945 Post by TerryG »

Electronics are great when they work, a royal PITA when they don't.
Mind you I have spent days fiddling with a carb trying to make an engine run only to find a mouse next was blocking the exhaust :S
Understeer: when you hit the wall with the front of the car.
Oversteer: when you hit the wall with the back of the car.
Horsepower: how fast you hit the wall.
Torque: how far you take the wall with you.
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Luxobarge
Posts: 1912
Joined: Wed Jan 05, 2011 3:12 pm
Location: Horne, Surreyshire

Re: V6 into a RHD Chrysler Neon mk1

#946 Post by Luxobarge »

Mitsuru wrote:I'm wondering if I've crossed a wire somewhere!!
No, I can't believe that could possibly be the case.....

Image


;) ;)
Some people are like Slinkies - they serve no useful purpose, but they still bring a smile to your face when you push them downstairs.
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JPB
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Joined: Fri Jan 07, 2011 3:24 pm

Re: V6 into a RHD Chrysler Neon mk1

#947 Post by JPB »

:shock: Is that Terry's mouse nest or Mitsuru's rats' nest? ;)

Dude, you seriously need to overcome your family's reluctance to welcome hoards of car folk onto your land, then you might get more support with the Neon. How about you either send your parents away for a weekend snuggle break in a local Travelodge or - if that fails - anaesthetise them temporarily? That way, a whole bunch of car folk could descend on you and get the bugger working. :)
J
"Home is where you park it", so the saying goes. That may yet come true.. :oops:
Richard Moss
Posts: 425
Joined: Wed Jan 05, 2011 5:09 pm

Re: V6 into a RHD Chrysler Neon mk1

#948 Post by Richard Moss »

JPB wrote: How about you either send your parents away for a weekend snuggle break in a local Travelodge or - if that fails - anaesthetise them temporarily? That way, a whole bunch of car folk could descend on you and get the bugger working. :)
I'm sure they'd even bring their own bacon and eggs to feed the hoard.
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Mitsuru
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Location: County Durham

Re: V6 into a RHD Chrysler Neon mk1

#949 Post by Mitsuru »

After pulling back the wires and disconnecting some of my previous connections
I managed to separate the ecu switched live cable. For testing purposes only I
temporally connected directly to the battery. Upon making the connection there
was a series of clicking from relays as the ecu set the fuel pump away, the auto
shut down relay supplied power to the the ignition coil and other sensors
A few attempts at starting and probing with a multi-meter, there is power to
the spark plugs . Yet I couldn't get her to run for more than a 2 or 3 seconds at
a time! The first time I wasn't expecting her to fire up and was greated with
some smoke from the exhaust. Here is the 2nd attempt.


Image

I will miss any car meets further than 10miles from me as I will now need to
seriously start saving for the cost of an MOT and anything I can't do such as
tracking or tyres.
I'm Diabetic,& disabled BUT!! NOT DEAD YET!!
kstrutt1
Posts: 516
Joined: Sat Oct 22, 2011 8:55 pm
Location: essex

Re: V6 into a RHD Chrysler Neon mk1

#950 Post by kstrutt1 »

That's certainly progress, could be lots of things but one to check would be that something is not miswired and being fed in the crank position rather than ignition. (keep the key in the crank position for a few seconds after it has started and see if it runs longer).

What sort of engine management does it have, is it all integrated in the one module or seperate modules, my V12 xjs would do this if the ecu did not recieve the ignition pulse signal from the ignition module.

Most systems will supply a fixed amount of fuel during crank , once the crank signal drops out they will move to the fueling tables in the ecm based on engine RPM, and mass air flow (from a flow meter or manifold pressure), cold it will also be modified based on engine temperature, all of these could be the issue.

I would start by fitting a test lamp across the fuel pump feed, you will then be able to see what happens when it cuts out.


kevin
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