AIS004 & CISPR Compliance

As electronic control and electric vehicles continue their rapid evolution, compliance with AIS004 and CISPR requirements is not simply about fulfilling regulations; it is crucial for product success. NexorTest Technologies provides a comprehensive suite of testing services to manufacturers of automotive components such as battery management systems (BMS), LLP motors, RGB modules, EV clusters, and Display Units.

All of these components are required for a vehicle to perform effectively and provide safe operation and a good user experience. We use an end-to-end testing approach to help manufacturers achieve market entry with global compliance.

Why AIS004 and CISPR Standards Matter

AIS004 (Automotive Industry Standard) provides guidelines for electromagnetic compatibility (EMC) testing of automotive products in India, while there are global EMC standards for electromagnetic interference (EMI) and emissions through the CISPR (International Special Committee on Radio Interference) standards.

Products that fail to meet electromagnetic compatibility (EMC) standards and emissions level testing can:

  • Cause interference to other vehicle electronics
  • Cause failures of systems
  • Result in regulatory disapproval or recalls

In 2024, 174 campaigns affecting 13.8 million vehicles were linked to software and electronic system failures. As vehicles become more like electronic appliances than machines, software errors and failing electronics dominate.

Why AIS004 and CISPR Standards Matter for Market Success & Global Compliance

The art of compliance with AIS004 and CISPR standards is, in fact, a strategic act deployed in the product market for success. Certification and EMC testing preserve your brand reputation and help with quick time-to-market access to auto domestic and international auto markets. Otherwise, even great advanced components in the EV world would be denied entry into OEM supply chains and regulatory approvals.

Why EMC Compliance Is Important?

Here are some points:

  • Safety First
  • Electromagnetic Interference (EMI) may interfere with ABS, airbags, or power steering systems inherent to safety, from malfunctioning or outright accidents.

  • Regulatory Red Flags
  • Noncompliant products face rejection by the authorities, delayed certification, or an injunction enforced to recall the long delay before a product finds itself on market—it and more legal liabilities.

  • Trust and Reputation
  • Building consumer trust requires compliance. Having witnessed over 13 million recalls since 2024 due to electronics failures, one cannot imagine how EMC-related issues erode brand trust even further.

  • Cost Efficiency
  • Proper early identification of the EMC-related problem during development makes costs go low since there is no need for redesign, recall, or brand damage.

  • Market Access & Global Reach
  • AIS004 in India and CISPR around the globe are compulsory standards. Without compliance, the products are not fit to be sold in the main markets, and this limits both OEM partnerships and export potential.

Key Component Testing Services at NexorTest

The next section will provide a detailed outline of how NexorTest Technologies certifies all critical automotive components.

  1. Battery Management System (BMS) Testing
  2. The battery management system is essential for an electric vehicle. It's the system that records, manages, and basically protects the battery for the charge/discharge cycle. If this system is compromised, it can result in battery overheating or even combustion.

    Tests Performed at NexorTest:

    • Radiated Emission & Conducted Emission (per AIS004 Part 3)
    • Electrical Transient Conduction (ISO 7637-compliant)
    • Immunity to Radiated and Conducted RF Disturbance
    • Bulk current Injection and ESD Testing
  3. LLP Motor EMC Testing
  4. The Low Loss Power (LLP) motors that are used in EVs need rigorous EMC validation due to the factors of high-frequency switching and continuous torque application.

    NexorTest Services Include:

    • Radiated Emission Testing in an Anechoic Chamber
    • Bulk Current Injection (BCI) Testing
    • Electrostatic Discharge
    • Transient pulse test
    • Power Line Conducted Emission Testing

    Note: LLP motors can introduce harmonics that can have negative effects on important functional components such as ABS and display systems if not measured properly.

  5. RGB Module Testing for Automotive Interiors
  6. The use of RGB lighting modules will enhance the user interface experience within the EV dashboard and interiors, while still providing necessary vigilance against RF noise that can disrupt infotainment or communications.

    NexorTest RGB Module Testing:

    • Emissions (CISPR 25 Class 5)
    • Immunity Testing
    • Radiated and Conducted RF Immunity
    • Flicker and Harmonics Emissions
    • Electrostatic Discharge Immunity
  7. EV Cluster EMC
  8. The EV cluster brings together speed, battery, diagnostics and infotainment data. Testing involving these data streams validates performance in different electromagnetic environments.

    Services offered include:

    • Power Supply Ripple Susceptibility
    • Electrical Fast Transients and ESD’s
    • Radiated and Conducted Emission
    • Radiated Immunity - up to 200V/m

    Insight: NexorTest's EV Cluster Test Rig simulates real-time vehicle dynamics for dependable and predictive diagnostics testing.

  9. Display Unit EMC & Environmental Testing
  10. Automotive display units need to provide visual clarity without apparent or emitted EMI.

    Testing Conditions at NexorTest:

    • High Frequency Radiated Emissions
    • Conducted and radiated RF Susceptibility
    • Electrostatic Discharge (up to ±15kV)
    • Visual Flicker and Harmonics Emission test
    • EMI Shielding Effectiveness
    • Environmental Simulation: Vibration, Humidity, and Temperature
  11. Step-by-Step Testing Workflow at NexorTest Technologies
  12. At NexorTest, all automotive parts follow a standardized 6-stage programme:

    • We also review of the product design
    • Discuss with clients; understand their plans, product type and required regulations (AIS004, CISPR, ISO, IEC).

    • Pre-Compliance Testing
    • Testing is done at an early stage to evaluate the likelihood of compliance failure.

    • Flexible Test Setup
    • Test rigs designed and built for LLP motors, BMS or Display Units.

    • Full EMC and Environmental Testing
    • All required testing is undertaken using certified instruments and calibrated chambers.

    • Full Report and opportunity for Development
    • Non-conformities are identified, and recommendations are made with design fix options.

    • Finalization of Certificate and Regulatory paperwork
    • Delivery of certificates under AIS004 and CISPR, and test results accepted by Indian and international authorities.

Why NexorTest Stands Out

Here are some points for NexorTest Stands Out:

  • We've got the latest instrumentation
  • We have component test labs serving both EV and ICE platforms
  • Our clients include Tier-1 OEMs and Global Startups
  • We provide end-to-end support from design validation to certification

The Impact of EMC Non-Compliance

EMC non-compliance can have serious consequences for automotive manufacturers — from system malfunctions to costly product recalls.

Here are some of the critical risks:

  • Unreliable System Behavior: Electromagnetic interference (EMI) can disrupt crucial vehicle systems like braking, power steering, and infotainment.
  • Delayed Market Entry: Products that fail EMC testing at certification stage often require design revisions, which can delay time-to-market significantly.
  • Increased Costs: Non-compliance can result in expensive redesign cycles, customer dissatisfaction, and potential legal penalties.
  • Reputation Damage: Failing to meet standards such as AIS004 or CISPR can lead to recalls and loss of consumer trust.

Conclusion

Whether you are making a Battery Management System, Electric Motors, Module, EV cluster or any automotive components, NexorTest Technologies guarantees your components will always be AIS004 and CISPR compliant.

By investing early in certified testing, automotive brands will avoid expensive recalls and delays, while establishing consumer confidence and product assurance.

Certified testing, conducted early, helps the automakers avoid costly recalls and delays, besides building the customer's trust. Something more critical is that AIS004, CISPR certification provides for faster market access and greater acceptance by OEMs and international regulators — making it a pivotal factor for the permanent success of the product.

Do you need AIS004 or CISPR certification for your automotive product?

📞 Connect with NexorTest Technologies today to help realize your certification process in an expedited way.

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