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Thread: AEM wideband to FlashScan V2

  1. #21
    Joe (Moderator) joecar's Avatar
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    68problemchild,

    see this thread, try swapping Rx with Tx:

    JAW-Wideband-serial-connection&p=143297#post143297

  2. #22
    Lifetime Member 68problemchild's Avatar
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    So if using the RJ14 (6 position) plug to V2, which position goes to TX and RX? Positions 1 (black) and 2 (red)?

    I believe a white wire goes to position 5 on the RJ14 plug. Not sure if this comes into play.

    I can call AEM and find out which wires are TX and RX respectively on the AEM unit itself.

    Thanks.
    Last edited by 68problemchild; May 1st, 2011 at 08:15 AM.

  3. #23
    Joe (Moderator) joecar's Avatar
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    Yes, pins 1 and 2 on the RJ12 plug.

    Pin 5 is ground, you need this.

  4. #24
    Lifetime Member mr.prick's Avatar
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    The AEM directions call for the GRAY wire to be connected to pin #2 of a RS-232 DB-9 connector.

    The cable that comes with the V2 has a DB9 end and an RJ-11 end.
    db9__rj11
    _2 <-> 1_Rx
    _3 <-> 2_Tx
    _5 <-> 5_Signal Ground


    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    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. #25
    Joe (Moderator) joecar's Avatar
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    Related thread (which I had forgot about): showthread.php?15748-AEM-compatibility

  6. #26
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    hello,

    I have the same problem

    the display show W02 NOT FOUND

    ii have tried every wire combination and still no luck, the sensor is grounded, my yellow light is flashing, the green light on the UEGO controller is on

    im lost

  7. #27
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by derkscustomcars View Post
    hello,

    I have the same problem

    the display show W02 NOT FOUND

    ii have tried every wire combination and still no luck, the sensor is grounded, my yellow light is flashing, the green light on the UEGO controller is on

    im lost
    How did you connect it...?

  8. #28
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    serial out from AEM UEGO module, grey wire, to RS232 on Flashscan, i tried both pin 1 or 2 of the RJ-11

    Brown wire to #5 of RJ-11 and to vehicle and ground

    Power as per AEM manual. I have tried the ground wire any way, just to RJ-11, Just to vehicle ground, not hooked up etc

    The yellow light on the V2 flashes as there is something going on, but nothing.

    I set up the Flashscan with Efilive Scan and Tune version 8.2.1, build 170. i went through all the settings, like i said, im lost

    Thanks

  9. #29
    Joe (Moderator) joecar's Avatar
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    Connect like this:
    AEM grey wire -> RJ11 pin 1
    AEM black wire -> RJ11 pin 5

    The black wire also goes to vehicle/battery ground.

    Do not connect the brown wire to anything (at all)(tape it off);

  10. #30
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    Thanks, But i'm pretty sure i tried that, i will give it another try

    by black you mean the sensor negative that comes in the bundle of wire? white (EUGO 0 - 5v) , Brown (analog -) and Grey (RS232) or do i run a separate ground wire and just use only the
    grey one out of the bundle?

    I have AEM Part number 30-2310

    Thanks again

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