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Citroen C5 - Running Suspension Pump on Table: Connection Diagram Inquiry

marcin_70 19080 8
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  • Helpful post
    #2 16703413
    januszx3
    Level 31  
    marcin_70 wrote:
    can you start the suspension pump on the table ... Does anyone have a connection diagram for this pump?

    Do you want to check the pump motor itself?
    You are dealing with the "Hydroactive 3+" hydraulic system
    Citroen C5 - Running Suspension Pump on Table: Connection Diagram Inquiry
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  • #3 16704327
    marcin_70
    Level 21  
    Yes, I would like to start the pump motor itself ..
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  • #4 20245061
    rednask
    Level 14  
    I will also join the topic of how to start the pump in order not to burn the pump at my own request and to check if it is running for a short time. Where to connect what?
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  • #6 20247709
    rednask
    Level 14  
    Maybe you can tell me otherwise, this is a picture taken from YouTube of the user "I'll be doing" under the title "Citroen suspension pump why does it burn the fuse?" check as soon as possible without undressing or working? The methodology by short-term commissioning without fear of burning.
    Well, I think I've exhausted the question. Mine is unresponsive and I wanted to plug in a direct plug and check it. I don't know if the YouTube link goes here so I preferred to write it.

    I wanted to add, today I checked the fuses, they are operational, the largest ones are also under the hood, they are even lower and also functional. So there was a rear and front sensor and the pump. The front sensor is 51 kOhm 1-2 pin and the 1-3 pin is 400 kOhm as if what.
  • #7 21462385
    bartsko666
    Level 2  
    Have you managed to get the pump working briefly?
  • #8 21701620
    citroencx25
    Level 2  
    >>16701917 You can turn on pump motor by powering big connector and apply (for turn on) + on small pin (small connector 2V NR). For testing also hydraulic pressure is a little bit complicated because you have to do some connection on BHI connector for actuate suspension electrovalves.
  • #9 21702102
    therednask
    Level 1  
    I didn't try it briefly because I gave a lot of money for the pump and I didn't want to burn it at the outset. And it's secured - it's waiting because I'm in the process of changing flats.
    As soon as I move, I won't be dependent on the operation of the car. I will then present everything to you here, along with the explosion :) .

Topic summary

The discussion concerns testing the Citroen C5 suspension pump motor outside the vehicle ("on the table") and whether it requires CAN bus communication to operate. The suspension system involved is the Hydroactive 3+ hydraulic system. The pump motor does not have a direct power supply and is controlled by vehicle electronics, making direct powering without the CAN interface problematic and potentially risky. Users seek connection diagrams and safe methods to briefly run the pump motor for diagnostic purposes without causing damage. Fuse checks and sensor resistance measurements were also mentioned as part of troubleshooting. Visual references to wiring diagrams and control schematics were shared to aid understanding.
Summary generated by the language model.
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