StijnFSP Posted September 26, 2018 Report Share Posted September 26, 2018 hi , i have a problem with the digital input of the speed sensor of a subaru i tired : other sensor rewirred the 3 wires 12v ground and signial manualy rotating the sensor tried another input on the ecu (di3 di4 and the oem di5 )maybe i made a fault ? i added the file or could there be a fault in the ecu ? thnx already for looking . xavier build motor hatch e85.pclr Quote Link to comment Share on other sites More sharing options...
cj Posted September 26, 2018 Report Share Posted September 26, 2018 Have you tried turning on pullup resistor? Normally there is a 5v pullup signal coming from the dash, but if you have disconnected this you will need to supply a pullup signal from the ECU. Here is a speed sensor diagram for a late 90's legacy. The colours may be wrong but the pinouts are likely the same on most subaru's until they went to ABS driven speedo's in the mid 2000's. Is this how you have yours wired up? Quote Link to comment Share on other sites More sharing options...
StijnFSP Posted September 26, 2018 Author Report Share Posted September 26, 2018 no didnt try because of the 12V connected to the ecu but will do this . thnx for the tip Quote Link to comment Share on other sites More sharing options...
StijnFSP Posted September 27, 2018 Author Report Share Posted September 27, 2018 Worked like a charm thnx Quote Link to comment Share on other sites More sharing options...
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