ISO 11451-4:2022

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ISO 11451-4:2022 specifies harness excitation methods for testing the electromagnetic immunity of electronic components in passenger cars and commercial vehicles. It focuses on narrowband radiated electromagnetic energy, regardless of the vehicle's propulsion system. The standard covers a wide frequency range from 10 kHz to 18 GHz. Essentially, it's a test method to ensure the electronic components in vehicles are not affected by electromagnetic interference from narrowband sources.