BITE improves fault isolation but depends on system logic, inputs, power and configuration. A reported unit can be the detected path rather than the root cause.
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ELECTRICAL & AVIONICSINTERMEDIATE
BITE
BITE Abbreviation · Built-In Test Equipment Synonym
Built-In Test Equipment: system functions that monitor, test and report equipment or system condition.
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How the term is used
BITE can perform power-up tests, continuous monitoring, initiated tests and fault recording. Results can include maintenance messages, codes, timestamps and flight-leg history.
Where you may encounter it
Technicians use BITE with system knowledge, history and approved troubleshooting data.
Do not replace equipment solely from a message without confirming the applicable fault-isolation procedure.