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RENAULT MASTER III: ABS Issue, Rear Wheel Speed Sensor Replacement & Error - Troubleshooting

Maras13a 29697 13
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
  • #1 16806040
    Maras13a
    Level 7  
    Hello, a friend asked me to replace the right rear wheel speed sensor because the wire broke. After the replacement, unfortunately, after driving a dozen or so meters, the ABS indicator lights up. Right rear wheel speed error pops up. When I view the signals at a standstill, all sensors show 0km / h. When driving on this wheel, the speed is 20-600 km / h and on the rest of them, depending on the speed of the vehicle. Then I moved the plug from the left wheel to the right wheel and from the right wheel to the left wheel. I spun the wheels and the distortion was still left on the right rear wheel (even though it was actually a left wheel sensor). So I found the sensors ok and the problem is somewhere else. The next step was to unplug the plug from the abs controller (disconnected battery) and checked the continuity of the wires from the sensor (IT IS), then I checked for a short circuit with other wires or ground (NO). I connected the battery and measured the voltage that goes to the sensors. It turns out that I have 1.76V for the left rear sensor and 0.9V for the right rear. I thought that maybe after the cable was broken, a short circuit could occur and the driver was damaged. A friend from a friend arranged for a driver with a pump with identical number. Unfortunately, after replacing the driver, I still have the same situation. Maybe one of the more experienced colleagues will tell me something?
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  • #2 16806074
    ptr92
    Level 19  
    broken lace most likely.
  • #3 16806107
    Maras13a
    Level 7  
    ptr92 wrote:
    broken lace most likely.


    but if I hooked up to the sensor on the right wheel, the beam from the left wheel shows approx.
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  • #4 16806147
    ptr92
    Level 19  
    Maras13a wrote:
    Then I moved the plug from the left wheel to the right wheel and from the right wheel to the left wheel. I spun the wheels and the distortion was still left on the right rear wheel (even though it was actually a left wheel sensor).


    are you sure you didn't mess with the pages?
    I do it by checking one page only. So I focus on the side of the sensor working, i.e. in your case the left back. Then I extend the left rear cable and the harness and connect the right rear sensor to the sensor. I am watching the value on the computer from the left rear sensor. If it is OK, it means crown, sensor OK. If it is wrong, you need to look for a fault in the harness or the controller.
  • #5 16806166
    Maras13a
    Level 7  
    I did not make a mistake, I connected the harness from the left wheel to the sensor on the right wheel. By turning the right wheel, I had the correct readings in the column - left wheel speed. However, after connecting the beam from the right wheel to the sensor on the left wheel, while turning the left wheel with my hand, it still showed me a speed of 600 km / h.
  • #6 16806222
    ptr92
    Level 19  
    that is, you suggest that a possible short circuit in the installation to the plus or ground appears only when turning the wheel? how do you stop rotating, this short circuit disappears? Where is the sense and logic here ;)
    I still say the problem is lace and you messed with the sides on swaps, but let the others comment.
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  • #7 16806264
    Maras13a
    Level 7  
    ptr92 wrote:
    that is, you suggest that a possible short circuit in the installation to the plus or ground appears only when turning the wheel? how do you stop rotating, this short circuit disappears? Where is the sense and logic here ;)
    I still say the problem is lace and you messed with the sides on swaps, but let the others comment.


    as I wrote, I checked each wire from the abs driver to the sensor, whether it has a transition, what resistance it has and whether there are short circuits with others. I specially unplugged the harness from the catches to be able to connect the plug from the sensor on the left wheel to the sensor on the right wheel. With the plug from the right wheel not plugged in, it shows me the speed from the sensor of 655 km / h, while turning the right wheel with my hand, it shows me the speed of the left rear wheel, about 6-8 km / h. I did the test several times, always with the same results. There is no question of confusing the readings. I am more puzzled by the difference in sensor power supply. left wheel 1.76V and right wheel only 0.8V

    Added after 3 [minutes]:

    or maybe someone has schematics for the ABS MASTER III 2.3 DCI PUMP 0265800737 476600053R

    Added after 15 [hours]:

    RENAULT MASTER III: ABS Issue, Rear Wheel Speed Sensor Replacement & Error - Troubleshooting
    Signal preview on the controller
  • #8 18001424
    szwagier81
    Level 15  
    what was the problem? I am struggling with the same.
  • #9 18854270
    AdamOSA
    Level 17  
    I had the same thing, space speeds on the left rear wheel.

    After calling the wires from the pump to the sensors, it turned out to be one wire without going to the sensor. I have not exactly located the place, I have replaced the end of the fuel tank to the sensor plug and I have a problem. We make a twisted pair.
  • #10 19145443
    janko83
    Level 11  
    Hello
    I will stick to the topic because I also have a problem with ABS in Renault Master III 2013. The lights are on and the errors are active after reading below:

    RENAULT MASTER III: ABS Issue, Rear Wheel Speed Sensor Replacement & Error - Troubleshooting

    The only thing I can add is there was air in the brake system, but today I vented. When trying to diagnose the brake system, neither system wants to react. A request for help with where to start. The fuses in the cabin and under the hood for the ABS system are ok.
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  • #11 19145664
    genek1000
    Level 35  
    janko83 wrote:
    When trying to diagnose the brake system, neither system wants to react.

    What does that mean because I don't get it?
    How the ABS diagnosis does not react, how did you read the errors?
  • #12 19145708
    janko83
    Level 11  
    genek1000 wrote:
    janko83 wrote:
    When trying to diagnose the brake system, neither system wants to react.

    What does that mean because I don't get it?
    How the ABS diagnosis does not react, how did you read the errors?


    Other components generated no signal from the ABS. During "scanning" of all systems, the head connected to the diagn. cannot connect to the brake system.
  • #13 19145810
    genek1000
    Level 35  
    ABS plug
    2 thick red ones for 1 and 25 pin - + 12V permanent
    2 thick black ones on the 13th and 38th pin - ground
    yellow wire on 32 pin - + 12v power supply after ignition
    26 and 14 pin - CAN - passage through the security module under the hood to the OBD socket
    theoretically there is a diagnosis of K on pin 17 to pin 7 in the OBD socket
  • #14 19145913
    janko83
    Level 11  
    Thanks for the hint. Can you ask for a mini diagram for this?

Topic summary

The discussion revolves around troubleshooting an ABS issue in a Renault Master III after replacing the right rear wheel speed sensor. The user reports that despite the replacement, the ABS indicator lights up, and a right rear wheel speed error persists. Various tests were conducted, including swapping sensor connections and checking wire continuity, but the problem remains unresolved. Other participants suggest potential wiring issues, including short circuits or faulty connections. Additionally, another user shares a similar experience, indicating that a broken wire between the ABS pump and the sensor caused their issue. The conversation also touches on ABS diagnostics and the importance of proper voltage readings at the sensors.
Summary generated by the language model.
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