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Thread: OBD 2 support for car models

  1. #11
    SuperMod - OBDII GPS Logger forum
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    OBDII software out there for the Palm Pilot
    OBDGauge. Actually it's really cool, although the tool to extract the log from the .pdb file didn't work at all for me, but that's probably a[nother] 64-bit incompatability [grrr palm... grrr].

    If you are comfortable with a serial terminal like hyperterm etc you can send a 0100 to the device and post back what you get and I can tell you what PID's are supported
    Don't forget you need 0120 and 0140 too [although technically you need to check 0100 to make sure 0120 will work, and check 0120 to make sure 0140 will work... in practice, 0120 and 0140 will just throw errors if they're not available].

    Although to be honest, there's just about nothing higher than 20 that anyone who isn't a software and hardware engineer cares about. Also, all the cool kids use minicom :-)


    No, seriously, I've been reading OBD docs and writing OBD software all day.

    Gary (-;

  2. #12
    Variable Bitrate
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    Quote Originally Posted by chunkyks View Post
    Although to be honest, there's just about nothing higher than 20 that anyone who isn't a software and hardware engineer cares about.
    Depends on what type of Oxygen sensors the cars has. If they are wide-band sensors you would be very interested in pids 24-2B or 34-3B.

  3. #13
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    What skeet2331 mentioned would work, another approach would be to download the Pid reader from http://www.glmsoftware.com/Downloads1.aspx and it will tell you the supported pids.
    I also just added support for this to obd gps logger.

    Example output from my mini:
    Code:
    kibbles-2:obdgpslogger chunky$ ./bin/obdgpslogger -p
    Opening serial port /dev/cu.OBDKeyPro-DevB-1, this can take a while
    Successfully connected to serial port. Will log obd data
    Your OBD Device claims to support PIDs:
    01: Monitor status since DTCs cleared
    03: Fuel system 1 and 2 status
    04: Calculated LOAD Value
    05: Engine Coolant Temperature
    06: Short Term Fuel Trim - Bank 1
    07: Long Term Fuel Trim - Bank 1
    0B: Intake Manifold Absolute Pressure
    0C: Engine RPM
    0D: Vehicle Speed Sensor
    0E: Ignition Timing Advance for #1 Cylinder
    0F: Intake Air Temperature
    10: Air Flow Rate from Mass Air Flow Sensor
    11: Absolute Throttle Position
    13: Location of Oxygen Sensors
    15: Bank 1 - Sensor 2/Bank 1 - Sensor 2 Oxygen Sensor Output Voltage / Short Term Fuel Trim
    1C: OBD requirements to which vehicle is designed
    1F: Time Since Engine Start
    20: PIDs supported 21-40
    21: Distance Travelled While MIL is Activated
    23: Fuel Rail Pressure (diesel)
    2E: Commanded Evaporative Purge
    2F: Fuel Level Input
    30: Number of warm-ups since diagnostic trouble codes cleared
    31: Distance since diagnostic trouble codes cleared
    33: Barometric Pressure
    34: Bank 1 - Sensor 1/Bank 1 - Sensor 1 (wide range O2S) Oxygen Sensors Equivalence Ratio (lambda) / Current
    3C: Catalyst Temperature Bank 1 /  Sensor 1
    40: PIDs supported 41-60
    41: Monitor status this driving cycle
    42: Control module voltage
    43: Absolute Load Value
    44: Commanded Equivalence Ratio
    45: Relative Throttle Position
    46: Ambient air temperature
    47: Absolute Throttle Position B
    49: Accelerator Pedal Position D
    4A: Accelerator Pedal Position E
    4C: Commanded Throttle Actuator Control
    56: unknown
    kibbles-2:obdgpslogger chunky$
    Have fun,
    Gary (-;

  4. #14
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    bus initalize fail

    hi i have elm 327 circuit given in the data sheet of ic.i am getting error bus init error except for honda cars.why this is so????????

  5. #15
    SuperMod - OBDII GPS Logger forum
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    What specific cars is it failing in?

  6. #16
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    bus initalize fail

    i am using hyperterminal with baud rate 38400.i am able to get data from honda civic 2006 and honda city 2007.but bus init fail,unable to connect to ecu from baleno 2004,santro,and 2.0d corolla2007 .i use the circuit given on elm 327 data sheet on the elm site.thanx for reply.waiting again for your help

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