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    No reply whatsoever.

    No reply whatsoever.
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    Even top of the line programmable ecu's from...

    Even top of the line programmable ecu's from Pectel, Gems or Motec only support 2 wideband O2-sensors.
    Seems that there's no demand for what you want. There are ecu's that support up to 8 knock...
  3. If you're only requesting 3 Pids and the update...

    If you're only requesting 3 Pids and the update time is 3 seconds or more, then there's something seriously wrong with your software. The problem is NOT the communication speed, nor the delays...
  4. Thread: Audi obd pids

    by p2psmurf
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    It happens. Not all older ecu's support reading...

    It happens. Not all older ecu's support reading the vin.
  5. 7F is a Negative acknowledgement. 01 is the...

    7F is a Negative acknowledgement. 01 is the function requested.
    12 is sub-function (the 46) not supported.

    If in the 0100 response pid $20 is supported then read that. That will give you a...
  6. The only way is to use a factory (or equivalent)...

    The only way is to use a factory (or equivalent) scanner that supports the factory protocol in stead of an OBD2 protocol.
  7. It happens. Some cars will give out all FF's to a...

    It happens. Some cars will give out all FF's to a Vin request.
    Nothing wrong with your device.
  8. Changing the value of the map or maf via the...

    Changing the value of the map or maf via the Can-bus is NEVER going to work.
    The value of the map or maf is not present on the can-bus
    Even if this value is present, then it's only for other...
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    First of all, there are more makes than just GM...

    First of all, there are more makes than just GM and Ford, even within the US.
    And yes, I do have access to OEM documentation for some makes.
    One of those makes is VW/Audi and you will not get...
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    OBD2 only applies for emission related ecu's, i.e...

    OBD2 only applies for emission related ecu's, i.e the engine and the transmission.
    Anything else is entirely up to the manufacturer. If they want to use smoke signals to talk to an ABS that's...
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    All the car's information? NO. A lot of makes...

    All the car's information? NO.
    A lot of makes use different pins for different systems.
    Without modification the ELM327 is not capable of communicating on those different pins.
    Never mind the fact...
  12. Find out a little bit more on HOW a diesel...

    Find out a little bit more on HOW a diesel management system works and HOW the amount of diesel injected is calculated.
    Then you will see that the so-called "OBD developers" have no idea whatsoever...
  13. Using a petrol formula on a diesel engine will...

    Using a petrol formula on a diesel engine will always produce wrong results.
    A diesel works quite different than a petrol engine.
    Have you seen this topic:...
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    Officially it shouldn't matter when you connect...

    Officially it shouldn't matter when you connect the scanner.
    However, when possible I always connect and disconnect the scanner with the ignition off for safety.

    Don't forget that the oxygen...
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    The tab Oxygen Sensor displays mode 05 data -...

    The tab Oxygen Sensor displays mode 05 data - which are test data like minimum and maximum voltage.
    Mode 05 is not available when the vehicle is communicating over Can. Then this data is in mode 06....
  16. Thread: OBDII gauges

    by p2psmurf
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    1,985

    O.K., it's a MODIFIED KKL-interface. That works...

    O.K., it's a MODIFIED KKL-interface. That works as you have also found out your self.
    It turns out that EOBD and the factory protocol are two different protocols.
    ISO 9141-2 for EOBD and ISO 14230...
  17. Thread: OBDII gauges

    by p2psmurf
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    Does MultiECUscan use the same basic protocol as...

    Does MultiECUscan use the same basic protocol as EOBD for the engine? Yes, ISO 14230 in this case.
    But ISO 14230 has more commands than just the ones used in EOBD/OBD2.
    The Fiat (and Alfa and...
  18. Thread: OBDII gauges

    by p2psmurf
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    In Europe diesels do not have to comply to EOBD...

    In Europe diesels do not have to comply to EOBD until 2004.
    So it's no wonder that standard OBD2/EOBD scan programs show rubbish, the car doesn't support it.
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    Somebody on this forum is working on a protocol...

    Somebody on this forum is working on a protocol translator for cases like these.
    BUT (VERY, VERY, Big But), that would only work for you if this old ecu has a vehicle speed, which I seriously doubt.
  20. Connecting two scanners is probably possible....

    Connecting two scanners is probably possible. Operating them at the same time NOT.
    That is if the Corsa complies to the EOBD (European version of OBD2) rules at all.
    For that you need a petrol from...
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    Not possible according to Ross-Tech:...

    Not possible according to Ross-Tech: http://ross-tech.com/vag-com/faq_1.html#PC-Requirements
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    Is the bit for Pid $20 set when you examine the...

    Is the bit for Pid $20 set when you examine the result from Pid $00?
    Or post the result of the Pod $00 request.

    Pid $5E was not defined before 2007. So older cars will not have that.
  23. A vag-cable with Vag-com version 5 or newer...

    A vag-cable with Vag-com version 5 or newer should be able to read OBD2.
    It can't read the J1850 protocols (no hardware), but I don't think Nissan uses that.
    But a '98 model does not have to be...
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    NO. Assuming you mean Diagnostic Trouble Codes....

    NO. Assuming you mean Diagnostic Trouble Codes.
    Beside the mistakes and misunderstandings the P1xxx codes are free and may even differ per model year.
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    If you mean codes from the pre-obd2 era, then one...

    If you mean codes from the pre-obd2 era, then one way is to search the internet (but the info is very limited).
    The only sure way is to buy a factory tester, let's say Tech-1 from Opel (if that is...
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