Technical Ecu problem

[RCMA]

2004 2,3 jtd wont start, gives fault code p0190, i have changed rail pressure sensor, still p0190 present. After that i messured sensor and wire connector with multimeter

pin 1 = 5 volt (ok)
pin 2 = 5 volt (should be 0.3 volt)
Pin 3 = negative ground (ok)

Checked wiring harness from the sensor to the ecu, ok
5 volt present in connector pin 2 when connected and discocceted to the sensor.

Does anybody have diagram for ecu?
Bosch number 0 281 010 488

 

[corcai]

Pinout for edc15c7 ECU is here wiring diagrams are in the elearn CD.

 

[RCMA]

thanks for the quick reply, yeah i know, but some reason i can't unrar downloaded files

 

[taffybloke]

this might help.

https://www.fiatforum.com/ducato/432662-downloading-burning-244-elearn-iso-cd-image.html


Mike.

 

[corcai]

thanks for the quick reply, yeah i know, but some reason i can't unrar downloaded files

I've uploaded to mega also:
https://mega.nz/#!4cAiwRIL!rncN43_otAiUN3eCQZ9bPeSKubv_2wQtmrrLQa5N0eY

Click download through browser.

 

[corcai]

Actually I looked at the diagram and they've omitted the fuel pressure regulator k083, its on pins 90 and 91, brown and orange wires respectively.

 

[RCMA]

what are pins 93 and 104?

 

[corcai]

map sensor pin 3, cam sensor pin3 I think

 

[Jorisv]

Pinout for edc15c7 ECU is here wiring diagrams are in the elearn CD.

Dear Corcai, tried to view the pinout picture, but could not find a way to retrieve it.
Do you still have a copy or a link? Thanks! Joris

 

[diego74]

Dear Corcai, tried to view the pinout picture, but could not find a way to retrieve it.
Do you still have a copy or a link? Thanks! Joris

Googled the filename and got this:

https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRRJFkDhy6f-Bxw_tj8SAYGHoRFALWrDDP6ag&s

 

[Communicator]

@Jorisv , the word "pinout" can be read two ways.
The meaning applied above seems to be the pin numbering scheme. If this is what you require please see my corrected eLearn diagrams attached below.
An alternative meaning is pin allocation, for this the application is required. As an example there were six different versions of the 2.8jtd.

 

[Jorisv]

@Jorisv , the word "pinout" can be read two ways.
The meaning applied above seems to be the pin numbering scheme. If this is what you require please see my corrected eLearn diagrams attached below.
An alternative meaning is pin allocation, for this the application is required. As an example there were six different versions of the 2.8jtd.

The one I got (see attachment) seems consistent with the one you attached as far as pin numbering is concerned.
I was focussing on the six gas pedal connection (to pins 76 to 81 for this ECU).
I remember to have seen a Ducato wiring scheme and a different ECU, where 76-81 were allocated to the gas pedal too.
So there might be some resemblance, but not more than that.
BTW how did you obtain the correct pin numbering?

 

[Communicator]

The one I got (see attachment) seems consistent with the one you attached as far as pin numbering is concerned.
I was focussing on the six gas pedal connection (to pins 76 to 81 for this ECU).
I remember to have seen a Ducato wiring scheme and a different ECU, where 76-81 were allocated to the gas pedal too.
So there might be some resemblance, but not more than that.
BTW how did you obtain the correct pin numbering?

I have only compared two different applications of the Bosch EDC15C7 in detail. These were for Ducato 2.0jtd, and 2.8jtd and if my memory is correct, I confirmed that the accelerator pedal connections were identical, plus others for as far as I investigated, in fact there were minimal differences in the engine wiring schematics. This makes sense, but I would expect the programming to be different.

To go a step further my 2.8jtd does not have EGR which was optional, accordingly there is no MAF sensor. I believe that this is quite common on the 2.8jtd. When I tried to find the correct diagram for the engine on Fiat eLearn, I found that the diagram did not exist. I made my own, by deleting the MAF from an otherwise appropriate diagram, and adding a MAP sensor with appropriate ECU terminal numbers. I also split the diagram into two sections to accommodate the change of fuel filter and heater.

I have attached edited diagram, showing the accelerator pedal connections to the ECU.

The correct pin numbering was deduced, after I realised that the original had two pins labelled "42". I subsequently discovered that the correct numbering is shown in eLearn, if you select an engine management diagram, scroll down and click on "M010", as shown here.