av8 Posted June 13, 2021 Report Share Posted June 13, 2021 Hi, I am new to Link ECUs and have a G4X ECU in my R34GTT Skyline. I am trying to work out how to configure Traction Control with or without Slip? The TCS and Slip lights are lit up all the time, so I'm keen to get this configured. Can I just configure this under the 'motorsport' section (as the car has TCS and Slip management in stock configuration), or do I have to set up the individual wheel speed sources? Any suggestions would be really appreciated, thanks. Quote Link to comment Share on other sites More sharing options...
Adamw Posted June 13, 2021 Report Share Posted June 13, 2021 As far as I know the factory system wont work with any aftermarket ecu. The common workaround for the warning lamps is to remove the bulbs. To use the Link traction control you would need to add at least 1 front wheel speed (this wouldnt solve the warning light issue however). Quote Link to comment Share on other sites More sharing options...
av8 Posted June 14, 2021 Author Report Share Posted June 14, 2021 Hmm, ok thanks ... so the G4X can't use the existing wheel speed sensors that are in place for the ABS? Quote Link to comment Share on other sites More sharing options...
Adamw Posted June 14, 2021 Report Share Posted June 14, 2021 The factory ABS sensors are connected to the ABS ecu and the speed is not communicated to the engine ecu. You can try splicing into one of the front ones and feeding the signal to both the abs and engine ecu but many oem computers have fault detection features to prevent this from working. Quote Link to comment Share on other sites More sharing options...
[email protected] Posted October 6, 2022 Report Share Posted October 6, 2022 Following on from this, would you know if it is actually possible to use an input from the front wheel speed sensors to setup traction or will it require an independent sensor? Quote Link to comment Share on other sites More sharing options...
Adamw Posted October 7, 2022 Report Share Posted October 7, 2022 It depends how fussy the abs system is, you really need to give it a try. Some systems have differential inputs so having the ecu connected which uses a common ground will upset that. Quote Link to comment Share on other sites More sharing options...
[email protected] Posted October 7, 2022 Report Share Posted October 7, 2022 Ideally want it clean, would you have a solution for an extra sensor? Quote Link to comment Share on other sites More sharing options...
[email protected] Posted October 13, 2022 Report Share Posted October 13, 2022 Or would it work with a GPS speed sensor? Quote Link to comment Share on other sites More sharing options...
Adamw Posted October 13, 2022 Report Share Posted October 13, 2022 Sorry I missed your last question. Did you try connecting one of the front ABS sensors? That would certainly be the easiest option if it works. You dont need to modify anything, you can just poke a back probe into the main connector at the ABS unit and connect it to a DI to see if it works. If no dash lights come on then go with it. GPS is not suitable for TC, too much lag and instability. If you wanted to make your own wheel speed pickup, an industrial sensor such as a GS100502 is often easy to mount, you may need to get a trigger wheel laser cut or sometimes you can just pick up of the back of the wheel studs or lugs on the hub etc. Quote Link to comment Share on other sites More sharing options...
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