Service Content
Service Scope
This primarily includes testing of various switching components used in vehicles.
Test Standards
- QC/QT 198-2014 General Technical Requirements for Automotive Switches
- GB/T 28046.2-2011 & ISO 16750-2-2012 Environmental Conditions and Tests for Electrical and Electronic Equipment in Road Vehicles Part 2: Electrical Load
- GB/T 28046.3-2011 & ISO 16750-3-2012 Environmental Conditions and Tests for Electrical and Electronic Equipment in Road Vehicles Part 3: Mechanical Load
- GB/T 28046.4-2011 & ISO 16750-4-2010 Environmental Conditions and Tests for Electrical and Electronic Equipment in Road Vehicles Part 4: Climate Load
- GB/T 28046.5-2013 & ISO 16750-5-2010 Environmental Conditions and Tests for Electrical and Electronic Equipment in Road Vehicles Part 5: Chemical Load
- GB/T 8410-2006 Combustion Characteristics of Automotive Interior Materials
- DIN 75220-1992 Aging of Automotive Components in Solar Simulation Units
- IEC 60068-2-60:2015 Flowing Mixed Gas Corrosion Test
- GB/T 9286-2021 Grid Test for Paints and Varnishes
- GB/T 30512-2014 Requirements for Prohibited Substances in Automotive Materials
- CISPR25 & GB/T 18655-2018 Vehicles, Ships and Internal Combustion Engines – Radio Disturbance Characteristics: Limits and Measurement Methods for Protecting Vehicle Receivers
- ISO 7636-2 & GB/T 21437.2-2021 Road Vehicles – Test Methods for Electrical/Electronic Components Against Electrical Disturbance Caused by Conduction and Coupling, Part 2: Transient Conductive Emission and Immunity Along Power Lines
- ISO 11452-2 & GB/T 33014.2-2016 Road Vehicles – Test Methods for Components Against Narrowband Radiated Electromagnetic Energy
- ISO 11452-4 & GB/T 33014.2-2016 Road Vehicles – Component Test Methods for Electrical Interference Caused by Narrowband Radiated Electromagnetic Energy, Part 4: Large Current Injection (BCI)
- ISO 11452-9:2021 – Road Vehicles: Component Test Methods for Electrical Disturbances from Narrowband Radiated Electromagnetic Energy – Part 9: Portable Transmitters
- ISO 11452-8:2015 – Road Vehicles: Component Test Methods for Electrical Disturbances From Narrowband Radiated Electromagnetic Energy - Part 8: Immunity to Magnetic Fields
- ISO 7637-2:2004 & GB/T 21437.2:2008 Road Vehicles - Electrical Disturbances Caused by Conduction and Coupling Part 2: Electrical Transient Conduction Along Power Lines
- ISO 7636-3 & GB/T 21437.3:2012 Road Vehicles - Electrical Disturbances Caused by Conduction and Coupling Part 3: Electrical Transient Emissions from Wires Other Than Power Lines via Capacitive and Inductive Coupling
- ISO 10605 & GB/T 19951:2005 Road Vehicles - Electrical Disturbances Caused by Electrostatic Discharge Test Methods
- GB/T 18387:2017 Limits and Measurement Methods for Electromagnetic Field Emission Intensity of Electric Vehicles
- SAE J551:5 (JAN 2004) "Measurement Methods and Implementation Levels for Electric Field and Magnetic Field Intensities of Electric Vehicles"
- IEC 61000-4-4 & GB/T 17626.4:2008 Standard Fast Transient Pulse Cluster Susceptibility and Testing
- IEC 61000-4-5 & GB/T 17626.5:2008 Electromagnetic Compatibility - Testing and Measurement Techniques for Surge (Impact) Susceptibility Testing
Test Items
The main test items include: appearance, basic performance, voltage drop, mechanical strength, switch contact vibration, surface paint adhesion of the switch, noise testing, electromagnetic compatibility, resistance to abnormal voltage, withstand voltage test, insulation resistance test, free-fall impact performance, harmful substance content, temperature resistance, thermal cycling resistance, resistance to temperature and humidity cycling, vibration resistance, dust/water resistance, beverage/chemical resistance, salt spray resistance, flame retardancy requirements, light resistance, corrosion resistance under flowing mixed gas conditions, and durability.
Qualifications
- Over 20 laboratories in Shanghai, Guangzhou, Shenzhen, Dongguan, Wuxi, Beijing, Tianjin, Hangzhou, Chongqing, Chengdu, Changsha, Wuhan, Xi'an, Nanchang, Changchun, Shenyang, Kunming, Nanning, Qingdao and other cities have obtained CNAS-certified testing qualifications.
- CMA accreditation covers 1,990 items, while CATL accreditation spans 55 product categories.
- Recognition is granted by more than 30 automakers, encompassing leading domestic brands as well as manufacturers from Europe, the United States, Japan and South Korea.
Test Cycle
GRGTEST will flexibly determine the optimal testing schedule based on the client's test requirements and sample quantity.
Service Background
With the advancement of automotive electrification, intelligence, and connectivity, no component in a vehicle is simple to manufacture-even a seemingly ordinary switch is far more complex than it appears. The era of switches merely serving as buttons to close circuits has long passed; modern automotive switches employ electronic components and software, consisting of numerous precision-mechanical parts designed for years of seamless operation. Automakers impose stringent product specifications on these components: buttons must withstand 250,000 cycles of use, while products must remain fault-free for 15 years. These figures may seem astonishing, but they represent just one aspect of extensive product requirement documentation spanning dozens of pages-alongside detailed specifications covering appearance, functionality, operating procedures, safety ratings, and rigorous testing protocols ensuring zero defects. As China's leading third-party testing and certification institution, GRGTEST Testing has consistently delivered premium testing services and solutions for the automotive industry, helping verify critical metrics such as product functionality, reliability, and lifespan to ensure quality assurance and enhance market credibility.
Our Strengths
- Recognized by over 30 automakers, covering mainstream domestic independent brands as well as European, American, Japanese, and Korean vehicle manufacturers.
- Service Network: In line with the national automotive industry layout, GRGTEST has established more than 20 laboratories across various regions nationwide, enabling centralized resource allocation for convenient on-site testing.
- Integrated Management: Operates under a unified national management model, with all regional laboratories centrally managed by headquarters.
- One-Stop Service: Offers comprehensive testing capabilities to support products throughout their entire lifecycle.
- Differentiated Solutions: Provides services including standard development support, IT solutions for quality inspection, failure analysis and improvement recommendations, fixture design, customized capability building, and on-site service solutions tailored to address clients' specific challenges.
FAQ
Q: What are the current automotive switches?
A: There are various types of automotive switches, which can be described from both functional and structural perspectives.
By functional classification:
1. Driving operation functions: These include ignition start, constant speed control, overspeed protection, and rearview mirror control switches. The controlled loads encompass motors, relays, lights, and circuits.
2. Alarm signal functions: Available types include steering horn, parking lights, alarm lights, and brake light switches. Controlled loads include lights, relays, and solenoid valves.
3. Functions of the lighting system: Components include headlights, fog lights, instrument cluster lights, and switches. The primary controlled load is the lighting fixtures themselves.
4. Wiper system functions: Components include wipers, washers, and windshield heating switches. Controlled loads comprise motors, relays, resistors, and pumps.
5. Functions of the air conditioning cooling system: Components include fans, air conditioners, and temperature control switches. The controlled loads comprise motors and solenoid valves.
6. Functions of door and window/lock systems: Available products include door locks, electric window regulators, fuel tank lids, luggage compartment locks, sunroof switches, etc. Controlled loads include motors and solenoid valves.
Classification by mechanical structure: Since the 1950s, over the past several decades, automotive switches have undergone significant structural advancements to meet the evolving demands of automotive development. The primary types include the following seven categories: push-pull type, rotary type, plunger type, plate-burning type, button type, handle-type, and electronic type.
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