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  • Idle air control valve

    Hi I was wondering if someone couild have a look at my CAL file. I had a tune done on my car and the tuner could not work out how to get the iac valve working or how to get the MAC solenoids to work to control boost either. Its a holden v6 motor with delco 4 wire stepper iac.
    Thanks in advance

    Attached Files
    Last edited by Troyv6; November 29th, 2017, 12:35 AM.

  • #2
    Hi Troy, am having a problem downloading the file, could you attach it again pls. Is that a Bosch or DELCO 4 wire stepper?
    He gets his lap dogs to do his talking for him. Buzzard is a good example.

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    • #3
      Originally posted by Chris View Post
      Hi Troy, am having a problem downloading the file, could you attach it again pls. Is that a Bosch or DELCO 4 wire stepper?
      Sorry yes its the delco 4 wire stepper iac. I am at work at moment just trying to get the tune sent to me from the wife at work and will upload it again ASAP. Cheers

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      • #4
        TTVHV6.CAL

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        • #5

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          • #6
            iac pins.jpeg iac pins.jpeg
            iac pins
            Last edited by Troyv6; November 29th, 2017, 10:36 AM.

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            • #7
              Checked the wiring on it and if you are looking at the actual sensor at the pins going left to right the wiring from the autronic is pin 35 pin 20 pin 34 and pin 7

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              • #8
                http://www.mrm-racing.se/bag/GM4WSTEPPER.pdf

                I think the center pins are swapped as compared to this diagram, however it has been taken care of in the stepper sequence setup.
                He gets his lap dogs to do his talking for him. Buzzard is a good example.

                Comment


                • #9
                  http://www.mrm-racing.se/bag/IAC.pdf

                  Here is Roberts idle tuning guide.
                  He gets his lap dogs to do his talking for him. Buzzard is a good example.

                  Comment


                  • #10
                    Originally posted by Chris View Post
                    http://www.mrm-racing.se/bag/GM4WSTEPPER.pdf

                    I think the center pins are swapped as compared to this diagram, however it has been taken care of in the stepper sequence setup.
                    yeah I think the 2 outside pins are reversed and need to be swapped to be right and to stop confusion down the track. Cheers

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