Fault detection and isolation in automotive wiring harness by ne

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element

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324503, G01R 3100

Patent

active

050669192

ABSTRACT:
An automotive electrical system including a wiring harness incorporates a dedicated test line passing through critical connectors and components for allowing detection and isolation of improperly connected connectors. The dedicated test line can feed through expansion connectors, termination connectors, and junction blocks. A respective impedance is connected between the dedicated test line and ground at each respective connector. Connector fault detection and isolation is achieved by measuring the total impedance presented at the beginning of the test line. The measured impedance uniquely identifies the locations of any improperly connected connectors.

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