How To Troubleshoot Automotive Electrical Circuits?

You should check out these troubleshooting ideas when you get an error message on your PC in order to troubleshoot the car’s electrical circuits.

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    multimetera continuity test kit can be used in the same way as the

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  • Troubleshooting is the use of logical solution hints for a problem. In this case, troubleshooting in the electronics or automotive industry is considered black magic. In fact, any problem is not more difficult to solve. I bet if you don’t understand the first six chapters, you probably will.

    This chapter starts with simple “Solve” problems and moves on to these complex problems. What I hope you can show for yourself is the mindset that causes every solution to fail compared to the actual steps or even how difficult it is to solve a problem without asking questions. After that, you will think aboutDeal with both bases in case of problems.

  • Awareness of the problem (or symptoms) being considered.
  • Some information about your circuit diagnostics.
  • The circuit diagram is as chained as possible, if possible.
  • MMD.
  • A set of wired probes for a digital multimeter.
  • One of the most useful things I learned in college was using flowcharts. I have years of troubleshooting experience and despite all the effort I put in, I exit the process like it’s a flowchart in my head. I think I should thank my home computer science teachers for this skill!

    troubleshooting automotive electrical circuits

    Respective manufacturers can provide flowcharts to professional auto mechanics, so event mechanics need much less troubleshooting time. Because mechanics are paid based on hours worked, it’s cheaper for OEMs to develop this tool ahead of time than it is to pay mechanics for the time it would take the process if they didn’t encourage it. Unfortunately for owners of transport mediasv, it’s not that easy to find. . I will give you a deuce of the scenarios described in the chapter. When you’re trying to solve a really complex problem, a flowchart is probably the only way to solve it in a timely manner.

    Most of the examples assume that you will have nothing more than an amazing basic knowledge of circuits while working with a DMM. Some examples were often recreated based on problems that I needed to solve in real time. I hope you find them useful!

  • Scheme doesn’t work
  • The circuit works, but the fuses are blown.
  • Wiring burned out
  • Battery ran out overnight.
  • Intermittent work of us circuit
  • I have a light bulb, most of which is not working. How to identify the problem? A basic initial understanding of the circuit is required. For the light to go out, the following must happen:

  • Set the ignition to the ignition/run position.
  • Reverse lever
  • How do I find a short circuit in my car?

    . Disconnect the positive battery, place the probe on the load side of each fuse, connect the probe to the negative when you need the negative battery. With a sensitive short circuit, the control lamp lights up or the multimeter emits a beep. Now divide and conquer.

    Before we get into the troubleshooting in person, let’s play it safe by simply following the safety instructions.Features I sent you at the beginning of chapter 5. Key Now:

  • Turn the ignitions to the ignition/run position.
  • Apply the brake and move the gear selector to reverse.
  • Well, one works with reverse upscaling and the other doesn’t.

    Since one of the light sources is considered good, we know that the main circuit as a whole is working properly. This means that the exemplary wiring and your non-working light bulb are open. Possible causes of blisters:

  • One.
  • The connection between the lamp and the socket is damaged. Malfunction
  • A connection between, for example, a plug and a bulb socket. Bad
  • connect somewhere in the wiring harness to this connector.
  • Here are the steps to follow to determine this. I always choose the most obvious task first to avoid extra work. Also, it’s absolutely better to work from one end to the other than to start from the middle. This is in case we go to a certain ending and check the light first because it’s easy to miss. On the aboveThe flowchart (Fig. 7-1 Details) shows the procedures:

  • Choosing radio buttons for each of our … positions
  • V/™ Red Probe
  • Black COM probe
  • Unplug the bulbs from the socket and connect the black probe to the metal socket of the bulb

    troubleshooting automotive electrical circuits

    Connect the NASA probe to the tip of my light bulb (Note: many car bulbs use two filaments and only have two electrical contacts. One for each filament. This is not the case.)

    Readings close to 0…continuity only indicates and means the filament is good. Failure to be careful means that the filament has run out and the light bulb needs to be replaced too soon. light bulb

    That’s ok, my DMM also reads 0.6, so we need to move on to the next step.

  • Selector at DCV position
  • V/™ Red Probe
  • Black probe in COM, then connected La to chassis ground of the car.
  • With an accurate output lamp, no doubt, the ignition key in the IGN / RUN row and the REVERSE switch, in order to measure the voltage in the experimentThis is the (+) connection point inside the lamp housing.< /p >

    If there is voltage (+) at our brass connection point, we get a bad contact between the lamp and the socket. In some cases, I may find it necessary to use the tip of a DMM to properly cut into this brass (+) point while running the connections back and forth over the steel pin. p>

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