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 Post subject: MY2010 EDM Legacy CVT TCU logging
PostPosted: Wed Feb 17, 2016 5:37 am 
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Joined: Wed Nov 10, 2010 7:56 am
Posts: 372
Hey,

because of a project, I am working for, I get more an more simular to the TCU of a EDM CVT of the Legacy 2.5L.

RomRaider supports very basical the logging and DTC reading of this TCU.
But connecting the SSM-tester shows a lot more measuring values and more DTC starting the TCU without the gearbox on benech.

So I think, it will be a big improvement for RomRaider logger, to take over all the values I can read with the tester :D

Some base to start:
- MY2010 CVT TCU communicates via k-Line (SSM-II)
- connection is possible


As fare as I see, the TCU-parameters are part of the "normal" SSM-parameter list.
Anyone got a idea, how to sniff k-line ?
Anyone got a idea to get the missing parameter addresses ?
Why only 1 of 11 DTC is shown by RomRaider ?

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 Post subject: Re: MY2010 EDM Legacy CVT TCU logging
PostPosted: Wed Feb 17, 2016 6:40 am 
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Joined: Wed Nov 10, 2010 7:56 am
Posts: 372
Following values are displayed by the SSM-tester:

    Engine Speed (Motordrehzahl)
    Battery Voltage (Batteriespannung)
    Accel. Opening Angle (Gaspedal-Oeffnungswinkel)
    Front Wheel Speed (Radgeschwindigkeit vo.)
    Lock Up Duty Ratio (Ueberbruek.kup. Taktverh.)
    Transfer Duty Ratio (Allradkupplung Taktverh.)
    Turbine Revolution Speed (Turboladerdrehzahl)
    ATF Temp. (ATF Temperatur)
    Secondary Pulley Speed (Sek. RiemenscheibeGeschw)
    Actual secondary pressure (Tatsaechlicher Sekundaerdruck)
    Sec. Sol. Set Current (Sek. Magn.vent. Sollstrom)
    Sec. Sol. Actual Current (Sek. Magn.vent. Iststrom)
    Actual Gear Ratio (AktuelleGetr.uebersetz.)
    Shift step in Manu. mode (Schaltschritt bei Manu.)
    Primary UP Duty (Primäre Aufwärtsleistung)
    Primary DOWN Duty (Primäre Abwärtsleistung)
    Commanded Forward & Reverse Linear Solenoid Current (Befohlener Vorwärts- und Rückwärts-Linearmagnetventilstrom)
    Actual Forward & Reverse Linear Solenoid Current (Tatsächlicher Vorwärts- und Rückwärts-Linearmagnetventilstrom)
    Primary Pulley Speed (Prim. RiemenscheibeGeschw)
    Front Wheel Speed (Radgeschwindigkeit vo.)

Switches:

    Manual Mode Switch (Schalter f. man. Betrieb)
    Down Switch (Down Schalter)
    Stop Light Switch (Stopplichtschalter)
    Up Switch (Up Schalter)
    D Range Signal (D-Stellungssignal)
    R Range Signal (R-Stellungssignal)
    Diagnosis Lamp (Testleuchte)
    ATF Temperature Lamp (ATF-Temperaturleuchte)
    P Range (Parkposition)
    N Range (Neutralposition)
    AT learning (AT-Lernen)
    Lock-Up ON/OFF Solenoid (Überbrückung-ON/OFF-Magnetventil)

The screen-shots shows the values, awailible in RomRaider

12 DTCs are stored when reading with the tester:
    P0720
    P0708
    P0842
    P2746
    P2750
    P0974
    P0977
    P2763
    P2770
    P0967
    P0971
    P0963

RomRaider just displays one


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 Post subject: Re: MY2010 EDM Legacy CVT TCU logging
PostPosted: Wed Feb 17, 2016 10:09 am 
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RomRaider Developer

Joined: Wed May 20, 2009 9:49 pm
Posts: 5730
Location: Canada eh!
Once we have the details we can add the missing items to the Logger def file.


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 Post subject: Re: MY2010 EDM Legacy CVT TCU logging
PostPosted: Thu Feb 18, 2016 4:59 am 
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Joined: Wed Nov 10, 2010 7:56 am
Posts: 372
If anyone got a idea of a K-Line SSM sniffer or a general K-Line sniffer tool, I can just "listen" what the SSM-tool speaks to the TCU..

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 Post subject: Re: MY2010 EDM Legacy CVT TCU logging
PostPosted: Thu Feb 18, 2016 10:34 am 
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RomRaider Developer

Joined: Wed May 20, 2009 9:49 pm
Posts: 5730
Location: Canada eh!
You could look in the FSM for the DTCs and sometimes it also indicates the test tool parameters available for logging.


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