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Historically, mechanical and electrical components were tested and
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repaired by following service manuals and using the service technician’s skills and five senses.
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But as vehicles have evolved into extremely complex products,
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computerized tools are needed.
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Tools and software can efficiently detect, diagnose
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and report malfunctions, instead of having a service technician performing all fault tracing.
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In some cases it can automatically fix the problem.
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Diagnostics is done both on-board and off-board our vehicles and machines.
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On-board we have self-diagnostic and reporting capabilities.
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This gives the owner, operator or repair technician information about
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the status of the various systems in use.
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It also identifies and indicates malfunctions,
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their frequency and what area the fault is likely to be in.
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Off-board tools and systems, like Tech Tool
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and various connected services communicate
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with the on-board systems to harvest this information.
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We need various kind of diagnostics, for several reasons:
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In our plants diagnostics are used to ensure that the vehicle is correctly assembled.
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On-board diagnostics are needed to comply with safety and regulations.
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It is needed for brake system failures, emission-related functions and many other purposes.
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Diagnostics influences uptime and decreases downtime.
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It improves the overall uptime keeping the vehicle running to generate income to the driver or fleet owner.
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By communicating detected faults to the service technician good diagnostics
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will eliminate the fault tracing time and also decrease downtime and service billing hours.
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This means that diagnostics is an integrated part of the entire vehicle lifecycle.
