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Thread: Signum ECU Wiring/Pinouts

  1. #1
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    confused Signum ECU Wiring/Pinouts

    I am looking to trace a suspect wiring loom fault on my 2004 CDTI Signum 150. I have read about many similiar faults on this forum about this exact year and model having this generic fault, which usually has turned out to be a dodgy connection/broken wire feeding the power to the ECU unit. I brought the car to my local Vauxhall dealership to have it put on the computer, but it turned out to be a waste of time as the diagnostics equipment couldnt communicate with my ECU. The technician advised me that it looks very probable to be a broken loom wire. All help and suggestions would be greatly appreciated. Thanks in advance.

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    Regular Member andy.l's Avatar
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    Vehicle : insignia tourer

    Trim : elite

    Engine : 2.0 cdti 160

    Year : 2011

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    hi m8

    i have tis and access to the wiring diagrams,can you tell me were exactly
    the ecu is as theres a fair few on the vectra,soon as you let me know i will
    have a look and see what feeds there are for you and also i give you the
    wire colours and pinout numbers.




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    Thumbs up Pinouts

    Quote Originally Posted by andy.l View Post
    hi m8

    i have tis and access to the wiring diagrams,can you tell me were exactly
    the ecu is as theres a fair few on the vectra,soon as you let me know i will
    have a look and see what feeds there are for you and also i give you the
    wire colours and pinout numbers.



    Hi there, Thanks a million for your assistance. i am really at the end of my tether with this car. Its a 2004 1.9 CDTI 150 Diesel Signum and the ECU unit is behind the drivers side front bumper. By removing the front d/s wheel arch liner gives you full access to the unit. Its a Bosch LM 0281 011 449 and 55 189 630 model numbers on it?
    Fingers crossed

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