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Thread: AEM wideband to FlashScan V2

  1. #11
    Lifetime Member mr.prick's Avatar
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    Quote Originally Posted by 68problemchild View Post
    So AEM Grey (serial??) to position #2 on RJ14 cable. This with a switched car hot to AEM red and AEM black to negative gives me a flashing light on V2.
    Yes.
    A ground may also be needed. (rj12 pin 5)
    Did you configure the V2's internal settings like in the .pdf in post #9?

    Quote Originally Posted by 68problemchild View Post
    Are "AD" input sets the ones on the bottom of V2?
    Do I need AEM white to A1 and AEM brown to A2?
    Does this need to be done in conjunction with the above or as an alternative to it?
    Yes.
    These are an alternative or addition, your choice not necessary w/serial.
    No.
    Each AD set has a positive & a negative.
    The AEM's white wire is positive & the brown is the negative.
    Choose an AD set and connect them accordingly.
    Example: AD1+ = white wire & AD1- = brown wire.
    Select that AD set's voltage pid then you can make the calc_pid for Lambda/AFR.


    Last edited by mr.prick; April 17th, 2011 at 01:48 PM.
    512k RoadRunner Firmware 12.14R
    FlashScan V2 Bootblock V2.07.04 Firmware V2.07.22 EFILive V7.5.7 (Build 191) V8.2.1 (Build 181)
    LC-1 WBO2

    _________________________________________________

  2. #12
    Lifetime Member 68problemchild's Avatar
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    Thank you very much.

    I did run the TA quickness set up. No "Com in" or "Com out" in my version of V2. So unclear if my setttings are correct in V2.

    My hope is with the AEM unit signaling a steady green "ready" light, and heating up, my issues are now only with V2. I do have the flashing yellow light on V2 so can I assume data is going to V2?

    I will try adding the PC this evening to see if perhaps the computer can see what V2 cannot at this point.

    If that fails, I will take a run at the AD hook up.

  3. #13
    Joe (Moderator) joecar's Avatar
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    To run to V2, doesn't wideband Rx have to be connected to V2 Tx...?

  4. #14
    Lifetime Member mr.prick's Avatar
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    Pin #2 on the V2 rj12 is Rx, right Joe?

    PHP Code:
    The grey wire from the UEGO Controller outputs the data stream in an RS232 serial
    format
    To connect to the pc/laptopan RS-232 DB-9 connector is recommendedThe
    grey wire from the UEGO Controller goes to pin 2 of the RS
    -232 DB-9 connectorPin 5
    of the connector goes to ground
    See Figure 5. 
    AEM says to connect the grey wire to Rx (pin #2 on DB-9)
    There should not be a null modem or any other device in between the V2 and AEM for this tho.

    68problemchild, what firmware is installed in the V2?
    Have you tried connecting the AEM to a laptop via serial?
    512k RoadRunner Firmware 12.14R
    FlashScan V2 Bootblock V2.07.04 Firmware V2.07.22 EFILive V7.5.7 (Build 191) V8.2.1 (Build 181)
    LC-1 WBO2

    _________________________________________________

  5. #15
    Lifetime Member 68problemchild's Avatar
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    V2 firmware is 2.07.09 updated March 31, 2011. This is the info from EFI live explorer and the "firmware tab".

    Boot block is 2.07.01

    The data file tab is empty. Not sure if this is relevant.

    Also, in Scan and tune/Devices/Serial I/O, this was set up LC-1 and I changed it to AEM UEGO. Not sure if this will help.

    Car is currently in the shop so no way to check the lap top idea in the interim.

    Thanks for all the great ideas guys. I appreciate your patience with the NOOB.

    I had to order an RJ14 so I am assuming this is the correct plug since it has the 6 pins.

  6. #16
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by mr.prick View Post
    Pin #2 on the V2 rj12 is Rx, right Joe?

    PHP Code:
    The grey wire from the UEGO Controller outputs the data stream in an RS232 serial
    format
    To connect to the pc/laptopan RS-232 DB-9 connector is recommendedThe
    grey wire from the UEGO Controller goes to pin 2 of the RS
    -232 DB-9 connectorPin 5
    of the connector goes to ground
    See Figure 5. 
    AEM says to connect the grey wire to Rx (pin #2 on DB-9)
    There should not be a null modem or any other device in between the V2 and AEM for this tho.

    68problemchild, what firmware is installed in the V2?
    Have you tried connecting the AEM to a laptop via serial?
    Mike,

    See post #19 here: DCE-to-DCE

    V2 RJ12 pin 2 = Tx (on DCE devices Tx receives data, which is what you said above)...

    [ DTE is as labelled; DCE is opposite of as labelled ]

    yes, you're correct, this means he has it wired correctly.
    Last edited by joecar; April 19th, 2011 at 12:28 PM.

  7. #17
    Joe (Moderator) joecar's Avatar
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    Is the AEM powered up when you try to read it using V2...?

  8. #18
    Lifetime Member 68problemchild's Avatar
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    Yes. Its powered up. Shows status light solid green saying "ready" after several short flashes during initial start up.

    With grey wire connected to V2, I do have a flashing yellow light on V2 when car is running.

  9. #19
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    Is it possible to link two aems together like the lc-1s?

  10. #20
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by Big Block View Post
    Is it possible to link two aems together like the lc-1s?
    The LC-1 supports daisy chaining by having a id1/id2 protocol so that the receiving serial device (V2 in this case) can tell which is which.

    Or, more simply: no, not that I know of.

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