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G4 sensor pin out

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  • G4 sensor pin out

    Would anyone know the pin out for G4 sensor?
    Pin 1: +5v
    Pin2: Input to AAN ECU pin 47
    Pin3: Signal ground to AAN ECU pin 48
    Did I get any of them right?

  • #2
    I don't know about PIN numbers on the actual sensor off top of my head (but can check on a loom here), but the three pins have these functions:

    - G4 reference signal to ECU pin 47
    - signal ground to ECU pin 48
    - third pin is a screen ground wrapped around those other two wires
    Paul Nugent
    Webmaster http://S2central.net
    Administrator http://S2forum.com

    1994 S2 Coupe ABY - aka Project Lazarus
    2001 A6 allroad 2.5TDi - family tank
    2003 S4 Avant 4.2 V8 - daily burble

    Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

    There are only 10 kinds of people that understand binary - those that do, and those that don't

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    • #3
      I think it is,
      Pin 1, Ecu ground(48)
      Pin 2, Signal to Ecu(47)
      Pin 3, Chassis ground.

      I could be wrong so hopefully someone more knowledgeable can confirm for you.

      Comment


      • #4
        According to schematic for G4

        pin 1 = signal ground (ECU 48)
        pin 2 = signal (ECU 47)
        pin 3 = screen ground (0V)
        Paul Nugent
        Webmaster http://S2central.net
        Administrator http://S2forum.com

        1994 S2 Coupe ABY - aka Project Lazarus
        2001 A6 allroad 2.5TDi - family tank
        2003 S4 Avant 4.2 V8 - daily burble

        Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

        There are only 10 kinds of people that understand binary - those that do, and those that don't

        Comment


        • #5
          snap lol
          Paul Nugent
          Webmaster http://S2central.net
          Administrator http://S2forum.com

          1994 S2 Coupe ABY - aka Project Lazarus
          2001 A6 allroad 2.5TDi - family tank
          2003 S4 Avant 4.2 V8 - daily burble

          Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)

          There are only 10 kinds of people that understand binary - those that do, and those that don't

          Comment


          • #6
            Thanks

            Comment


            • #7
              It’s a VR sensor, so you have signal, sensor ground and shield ground as Paul said
              Panthero Coupé quattro 20vt
              Indigo ABY coupé
              Imola B6 S4 Avant

              Comment


              • #8
                Yupp, didn't even think of VR-sensors at the time when posting..

                Planning to use G4 pins with 60-2 trigger and maxxecu, as they present on their wiring diagram.
                And as I don't like to cut the harness, I'm just gonna get connector for G4 and reroute 2 wires from that and add a +5v feed to 60-2 trigger as the Lupo trigger is Hall.

                Comment


                • #9
                  60-2 on the crank rear seal?
                  Panthero Coupé quattro 20vt
                  Indigo ABY coupé
                  Imola B6 S4 Avant

                  Comment


                  • #10
                    Yes. Am I totally lost on that one as well?

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