ECU Calculator Locked C5 2,0 SC KBI -04

[femtiolappen]

I have blown hot with a hair dryer both on the bsi in the engine compartment and bsi at the driver's seat without any results! Right now, a heat fan is running inside the car so it starts to get hot, but without results!
So that the workshop said that bsi was broken inside the car and works when the car enters the heat I do not think so!
I start to wonder if there is any temprator sensor on the engine block that makes this?

[femtiolappen]

I managed to start the car yesterday! Blown first inside the car but nothing happened there! Only when I blew at the thermostatic house, the car started! Today, the car did not start again, then blew the thermostatic house again and then the car started!

[femtiolappen]

This sounds exactly like my problem!

viewtopic.php?t=43775#p360449

A damaged pin 11 on the gray connector! I have changed this one time when it was burnt so the plastic melted!

[femtiolappen]

https://www.frenchcarforum.co.uk/forum/ ... hp?t=49320

This is the same

does not start after standing for a long time or overnight!
When it was rolled in to the workshop, it started immediately and no error appears in Lexia

[femtiolappen]

I have opened the rear seat and removed the cover over the pump! when I turn on the ignition the pump sounds!
But it does not start, I'll turn it on and off and after a while it will stop and not sound anymore! Is that okay? Or should it sounds evry time?

Engine lamp does not light when you turn on the ignition! But the times it started it has the light lit and then started!

[MikeT]

Engine lamp does not light when you turn on the ignition! But the times it started it has the light lit and then started!

The engine light should always be lit at key on. This should have been a massive red flag to any technician investigating your problem.

[femtiolappen]

I replaced the connector on pin 11 to the fuel pump! Without result!

Instead I was once again heating up the main cable (below Fuse box) for about 5 minutes, then the engine light lit when you turn on the ignition and the car starts immediately!

[GiveMeABreak]

So back to replacing the fuse box then? Do you want the part number?

[femtiolappen]

The Citroën shop has already tried to replace it without any results

[GiveMeABreak]

Do you have your VIN number? - I want to check some electrical diagrams - Post up or send me a Private Message.

[MikeT]

The engine light not lighting and engine not starting is a good indication the ECU is not always powering up. Using any diagrams marc can kindly provide, I would be inclinded to check and trace the power and grounds to the ECU for an intermittent fault.
If you're not confident to do it yourself, any good auto-electrician should be able to trace it within the first hour.
If it's a wiring/harness problem, he should be able to fix it within that hour too at little to no extra cost.

[femtiolappen]

I think it's very badly made out of Citroën to cost as much as 1500 € changing the Injection ECU and then the car not starting!

My father is retired car electrician, he asked me to get a connection diagram! He thinks it's something between imobilizer to the Injection ECU that's fail!

where can I find?

[GiveMeABreak]

See my last post. I can provide you with a diagram but I need your car’s VIN number to ensure I get the correct diagram for your car and the options / equipment fitted.

This is the long alphanumeric number displayed in the small window on the outside of the windscreen near the bottom corner, driver’s side in a left hand drive car.

[femtiolappen]

Ok I will send you PM Marc thanks mate

[GiveMeABreak]

Ok, I have the information. I am sending you documents for the Electronic Injection, Engine Starting, Immobiliser Principle, Wiring and Location diagrams. In addition, I have included the Earth Locations for the whole car, the BSI Diagrams and fuses, additional fuses, Engine Fuse Box and Wiring Harness Locations.

If you need to know the codes - have a look here at the Wiki, where I have compiled a reasonably comprehensive list of common codes and the equipment. This should help you if you get stuck - they are in order.
https://frenchcarforum.co.uk/wiki/index ... ring_Codes

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