Recent content by mechanic_

  1. M

    ECU repair

    Yes i asked chatgbt, but didnt found anything. I will do a little more research
  2. M

    ECU repair

    Thanks for advice SunnySky. :)) I will post if i found something
  3. M

    ECU repair

    Thanks man.
  4. M

    ECU repair

    Hello Bertus. Already checked. Its not short ciruited. Thank you for reply. :)))
  5. M

    ECU repair

    Here is the picture of my ECU.
  6. M

    ECU repair

    I have identified the 12V supply and grounds. I also found the K-line. The ECU has constant 12V, ignition 12V, and three ground pins. I tried bench testing and diagnostics on the bench, but it didn’t work. I measured the current draw a while ago, but I don’t remember the exact value—only that it...
  7. M

    ECU repair

    I don't have an ESR tester, but I'll try to buy one in the near future. I checked all the capacitors using a multimeter in capacitance mode, and their measured values are within an acceptable range.
  8. M

    ECU repair

    I have tried to heat the ECU a little bit with a heat gun to check if it has bad solder somewhere, but didn't fix it.
  9. M

    ECU repair

    @danadak @narkeleptk I don't have spark, no fuel pump relay clicking, can't connect to diagnostics, and I have no 5V reference on the crank sensor. ECU has all grounds and powers.
  10. M

    ECU repair

    Thanks for the reply danadak. I have watched some videos on YouTube on testing ecu components like resistors, capacitors, transistors... I tested it all, but still didn't find what is faulty. Maybe some integrated circuit that I don't know how to test.
  11. M

    ECU repair

    Hello, This is my first time posting here 🙂 I joined the forum to ask a question about ECU repair. My Bosch MP5.2 ECU is defective. The issue is that the car is very old, and I’m unable to find a replacement ECU in my country. At this point, my last option is to try repairing the ECU. I have...
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