Citroen C3 HDI Non Start No Communication ECU - Page 4
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  1. #46
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    Thanks, but I tried with another BSM. Original BSM is B4, I tried with B3 and no chance.

    Also this car come to me with a fuse number 8 burned. New fuse, another BSM and nothing. No diagnostic, eco mode and no strat. I will search for BSM B4.

    See diagram and fuse 8 in picture 2.
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    So today I changed Ecu, BSM, BSI and nothing, still the same problem.

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    Then it has to be a broken wire, fusebox or green death inside a wire. Outer sheathing usually looks ok but has green death inside. Pulling the wire will find it eventually. Sometimes a digital meter will show 12v on a wire with green death but when its loaded up the voltage will drop.
    V Series TMS470 / EEPROM data - encryption / decryption, totally pwned.

    IEC 62056-21 - new discussion: sonsivri.to/forum/index.php?topic=60412.0


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    Meat-Head (27th July, 2018)

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    Dunker, when you doing pub quiz you put "verdigris"
    you get more points than "green and flakey"

    Was Banned For Being Certifiably Insane and Stupid

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    Dunker (30th July, 2018)

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    What happens when its black death though? Or black and flakey. Or is that June Sarpong?
    V Series TMS470 / EEPROM data - encryption / decryption, totally pwned.

    IEC 62056-21 - new discussion: sonsivri.to/forum/index.php?topic=60412.0


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    Meat-Head (31st July, 2018)

  9. #51
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    Hi same problem
    Solution for me : Change ABS works fine!

  10. #52
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    Could well be. Thats why you need to scope CAN lines @ ECU. He could always unplug ABS and jumper the CAN lines.
    V Series TMS470 / EEPROM data - encryption / decryption, totally pwned.

    IEC 62056-21 - new discussion: sonsivri.to/forum/index.php?topic=60412.0


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    If i help press the magic buttons!!!

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    I see with osciloscope data in CAN wires in Ecu, but I donŽt know if that data is ok.

    IŽll try to jump CAN wires in ABS.

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    If CAN waveforms look ok then surely ecu isnt powered correctly. Unless its one of those that uses CAN for inter module comms and K-Line for diag. Must be worth removing ECU and connecting on bench to make sure.
    V Series TMS470 / EEPROM data - encryption / decryption, totally pwned.

    IEC 62056-21 - new discussion: sonsivri.to/forum/index.php?topic=60412.0


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    Yes, this ECU SID804 have K-line for diag and CAN for ABS and BSI.

    In bench ECU works ok and have diag by Kline, but not in car.

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    Had similar problem 2005 Berlingo 1.6hdi, eventually traced to bad engine bay harness, there is a GREY wire in it which is the EC relay trigger wire that runs from the brown (middle) ECU plug to the black plug in the underbonnet fusebox. I noticed when I touched the back of this grey wire in the black plug with the probe of a test lamp (grounded other end) the relay clicked and i could hear the various stepper motors and things on the engine wake up.

    I spent a while trying to find where the break could be in this grey wire and gave up, I just soldered on a bypass from the ECU grey wire to the fuse box grey wire. Started fine after that and diag comms with ECU.

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    Hi Guys, I am having what appears to be this exact same problem aal be it with a different car but I belive that Peugeot and citroen share parts the same parts. I have a Peugeot 1007, that I purchased for my son to learn to drive in.

    Its been a nightmare since we purchased it. When we bought it, we parked it up for around 5 months, then when we came to use the car it wouldn't start. It would crank over but not start. I has a new battery put on it and it still wouldn't start.

    So I paid an auto electrician to come and have a look, he fused bridged 2 wires in the fuse box in the engine bay and the car started

    But since the auto electrician bridged the 2 connections in the fuse box and got the car started we have found that the fuel gauge constantly reads at the bottom of the gauge but no fuel light on and we keep getting an esp error flash up on the dashboard. .

    I think all issues are related, but not sure if they are or not!?

    To try and fix all of the problems we have replaced the fuel pump and the sender, this didn't work still no fuel guage.

    We replaced the entire fuse box as the auto electrician advised that the fuse box must be faulty and that's why he needed to bridge the 2 wires. This didn't fix the issue we still need to bridge the 2 wires.

    I was advised that it must be the ecu and the BSI so I purchased an extire kit of the internet and replaced the ecu the BSI and the chip in the key etc, and it's still exactly the same.

    I can't see what else there is to replace? Any ideas as it is now costing a fortune.

    Issues are....

    1. 2 wires in fuse box need bridging to start the car.
    2. Fuel guage constantly reads empty but no fuel light.
    3. Keep getting esp / asr error.

    Does anyone have a wiring diagram / wire schematics for Peugeot 1007 fuse box?
    Last edited by crusader007; 1st September, 2020 at 10:04 AM. Reason: More details added

 

 
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