Wheel Speed Sensor Fault

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mikeyerfdog
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Wheel Speed Sensor Fault

Post by mikeyerfdog »

Hi All,

My wifes C4GP Mk2 has the normal chrismass tree of fault. (ABS, ESP etc etc) I hooked it upto Diagbox and it showed rear right speed sensor. Great i thought, changed the sensor and the fault came back.

Thinking about it, it comes up more when it is wet. I guess i am going to have to trace the wiring. Does anyone know where the speed sensor connects into to? Where is the other end of the cable so i can check from point to point? Anyone have the pin numbers and control location.

Due to go to cornwall next week so will be putting 1,000+ miles on the car.

Any help would be great.

Thanks
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Re: Wheel Speed Sensor Fault

Post by GiveMeABreak »

My advice is to check the actual pins and connectors in the wiring block for the same sensor you replaced - we had a member recently with the same issue and it was a lose pin in the connector IIRC.
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mikeyerfdog
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Re: Wheel Speed Sensor Fault

Post by mikeyerfdog »

Hi,
Thats what i plan to do but i dont know where the connector block is. Any ideas?
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GiveMeABreak
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Re: Wheel Speed Sensor Fault

Post by GiveMeABreak »

See this post also:

viewtopic.php?p=690014#p690014
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Marc
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GiveMeABreak
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Re: Wheel Speed Sensor Fault

Post by GiveMeABreak »

Here:
C4GP ABS Connector.PNG
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mikeyerfdog
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Re: Wheel Speed Sensor Fault

Post by mikeyerfdog »

Thanks, I checked that one. I want to check all the wiring right back to the controller. Where is that contrller so i can check that end's multiplug?
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C5 MK II 2.0 HDi Exclusive Obsidian Black
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Re: Wheel Speed Sensor Fault

Post by GiveMeABreak »

It will go back with the others to the ESP / ABS ECU which is at the rear of the engine bay near the left front wing (standing in front of the bonnet).
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Marc
mikeyerfdog
Posts: 5
Joined: 15 Jul 2021, 10:23
Location: Buckinghamshire
My Cars: C4GP Mk2 1.6hdi

Re: Wheel Speed Sensor Fault

Post by mikeyerfdog »

Thanks,
I think you might me right tho. I have the 2pin plug a wiggle and it cleard last night. Will get the wheel off this weekend and confirm for sure.

Thanks for your input tho...
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C5 X7 2.0 HDi Exclusive Mativoire Beige (The Golden Hornet)
C3 1.6 HDi Exclusive Aluminium Grey (The Silver Hornet)
C5 MK II 2.0 HDi Exclusive Obsidian Black
C5 MK I 2.0 HDi SX Wicked Red
Xantia S2 2.0 HDi SX Hermes Red
C15 Romahome White
XM 2.0 Turbo Prestige Emerald Green Pearlescent
XM 2.0 Turbo Prestige Polar White
XM 2.0 SX Polar White
CX 20 Polar White
GS 1220 Geranium Red
CX 2.4 Prestige C-Matic Nevada Beige
GS 1000 Cedreat Yellow
x 5648

Re: Wheel Speed Sensor Fault

Post by GiveMeABreak »

No worries - best of luck with it. Once you check the Pin, give it a clean with some Servisol or other electrical contact cleaner too.
Please Don't PM Me For Technical Help

Marc
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