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  1. Thanks Vitaliy!! Then in my example the scan tool...

    Thanks Vitaliy!! Then in my example the scan tool interprets 50*0.005 = 0.25 V?
  2. Mode 0x06. Request On-Board Monitoring Test Results for Specific Monitored Systems

    Hi everybody!
    When my ECU receives a mode 6 request in ISO 14230-4, for example: Header bytes + 0x06 0x02 + checksum

    My ECU replies with: Header bytes + 0x46 0x02 0x16 0x00 0x32 0x00 0x20 +...
  3. Lenght data bytes in VPW, ISO9141-2, PWM or KWP2000

    Hi everyone!! I am building my own ECU simulator.

    For VPW, ISO9141-2, PWM or KWP2000, is it necessary to indicate in the requests and responses the length of useful data bytes like in CAN...
  4. Time between bytes in ISO 9141-2 and KWP2000

    Hi!
    I am building an ECU simulator. How much time should pass between byte and byte when the ECU transmits a message?
    For example, if the request is : 0x68 0x6A 0xF1 0x01 0x0D (pid =0x0D)
    the...
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    OBD2 connector in NISSAN ALMERA

    Hello Everybody!!
    Does anyone know where the OBD2 connector is in a NISSAN ALMERA year 2000?

    Thanks!!!
  6. Timing between KWP fast init and first trasmission

    Hello everybody! I hope you can help me.

    Does anyone know how time is necessary between the ECU transmits startcommunication response and the ECU receives the first data request (MODE 01 PID 00)...
  7. Timing between KWP fast init and first trasmission

    Hello everybody! I hope you can help me.

    Does anyone know how time is necessary between the ECU transmits startcommunication response and the ECU receives the first data request (MODE 01 PID 00)...
  8. Thanks to ones two for the info ----------...

    Thanks to ones two for the info

    ---------- Post added at 02:16 PM ---------- Previous post was at 01:12 PM ----------

    The KWP fast init works correctly in my ECU simulator, but when I received...
  9. Start communication in KWP2000 Fast init (ISO14230)

    Hello everybody!!
    When we work with the KWP2000, the tester sends to vehicule "wake up" from 50 ms long (25ms low and 25 ms high) followed inmediately by start communication request (C1 33 F1 81...
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    OBD with PWM protocol

    Hi everyone!!
    I am implementing an ECU simulator with PWM protocol. I had done some tests and I had been that the tester sends to ECU a start of frame (SOF) with 32us high level and 16us low lovel...
  11. Hello chewwtoy. Do you know the differences...

    Hello chewwtoy. Do you know the differences between ISO15765-2 and ISO15765-4?
  12. Thanks everybody for the information!!

    Thanks everybody for the information!!
  13. Replies
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    1,137

    Mode 6 response with CAN protocol

    Hi everybody!! I I have a doubt, I hope that you could help me.
    I am using CAN protocol, when I transmit to the response mode 6 OBDMID 01 (Oxygen Sensor Monitor Bank1 - Sensor 1) with Test ID 01...
  14. Bytes transmission of CAN protocol (iso 15765)

    Hi everybody!! I have a doubt wiht some modes in CAN protocol. For example for mode 9, in the SAEJ1979 copy for CAN, the request of infotpe 04 with 0x09 0x04 has a reponse from the ECU with 35 data...
  15. Relationship Mode 1 and Mode 06 (Request On-Board Monitoring Test Results) in KWP200

    Hi everyone!!
    I am building a ECU simulator with KWP200 protocol, I am following th SAE 1979.
    My PID 01 Mode 1 sais that ECU supported Fuel system monitoring, Comprehensive component monitoring and...
  16. Yes I have a SAEJ1979 copy but I 1 had not notice...

    Yes I have a SAEJ1979 copy but I 1 had not notice very much in the mode1.
    You have reason it does not have messagecount.
    Thanks!!
  17. Thanks Vitaliy!! But, is this that you say for...

    Thanks Vitaliy!! But, is this that you say for all modes? Because in mode 1 I use 0x86,0xF1,0x10,0x41,0x00,0x98,0x3B,0x00,0x11 and the tester identifies correctly the PIDs supported.

    As you say,...
  18. Mode 9. Request Vehicle Information for KWP 2000(ISO 14230)

    Hi everybody!!
    I am designing an ECU simulator with ISO 14230 protocol.
    I have a problem when I send data frame to tester from my ECU simulator. I am continuing the SAEJ1979.In mode 9, the external...
  19. Thanks Vitaliy! I am trying with these key bytes...

    Thanks Vitaliy! I am trying with these key bytes that you say me.
    Yes, the times of ISO14230-2 I think I respect them.
    I am building an ECU simulator for a career project
  20. Thanks remus08 but sorry I was confused with the...

    Thanks remus08 but sorry I was confused with the key bytes, they are 8F E9 instead of E9 8F.
    I think key bytes must be differents for ISO9141 and KWP 5 baud init because then, how do they differ?
  21. Key bytes and electrical level in ISO14230-4 protocol

    Hi everybody!!
    I am implementing an ECU for KWP 5 baud init.
    I've read that the initialization is equal to the ISO9141-2, varying only the key bytes.
    The tester sends the 0x33, my ECU responds...
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    Thank you Aberk, but free?

    Thank you Aberk, but free?
  23. Replies
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    1,365

    HI p2psmurf. How can I obtain these new versions?

    HI p2psmurf. How can I obtain these new versions?
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    I have SAEJ1979 REV. APR2002. Is there some more...

    I have SAEJ1979 REV. APR2002.
    Is there some more recent version?
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    CAN Mode 0x06 Multi-line messages

    Hello!!!
    I am building for CAN protocol an ECU. When I send the request of the parameter 1 of the mode 6, which it is supports for my ECU, 02 06 01 00 00 00 00 00.
    The response according to the...
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