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ABNT NBR 17049 is a Brazilian national technical standard issued by ABNT (Associação Brasileira de Normas Técnicas), published in June 2022, focusing on automated sliding door drive systems for road vehicles of categories N1, N2, M1 and M2. It defines unified safety rules, signal output requirements, anti-pinch logic, warning indication rules and component evaluation criteria for electric sliding door actuators, controllers, sensors, cables and related accessories installed on passenger and light commercial vehicles. This standard is widely adopted in Brazil for vehicle homologation, periodic inspection and aftermarket spare part acceptance, and it is often referenced by INMETRO accredited inspection bodies during vehicle audit for passenger transport, school bus and charter vehicle projects.

The standard specifies multiple core safety clauses covering pinch force limitation, reverse response time after obstacle detection, emergency manual release mechanism, visual and audible warning signals before door movement, fault diagnosis logic and protection against abnormal power supply fluctuation. It sets clear test conditions for endurance cycling, vibration, temperature variation and electrical interference to verify the stability of the automatic sliding door system under complex road conditions. Any sliding door drive unit, sensor or control module supplied to the Brazilian automotive spare parts market must comply with the requirements of ABNT NBR 17049 to pass official vehicle inspection. If the door system components fail to meet this standard, the whole vehicle will not obtain valid inspection approval and cannot operate legally on Brazilian public roads.

This ABNT NBR 17049 standard document is frequently used by automotive equipment manufacturers, spare part suppliers, vehicle modification workshops and maintenance service companies that export sliding door drive assemblies, control boards, proximity sensors and warning components to Brazil. The standard document contains 6 pages, and it works together with ABNT NBR 13776 for vehicle category classification. Before shipment of sliding door related spare parts for Brazilian market, suppliers need to confirm that the product test report covers all test items required by NBR 17049. During vehicle maintenance and replacement of door drive parts, technicians should verify the anti-pinch function, alarm signal and manual release function according to the standard clauses, then keep test records for official inspection. Regular functional verification of automatic sliding door systems helps to avoid passenger clamping accidents and non-compliance penalties.