Test/Homologation Services

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Features of Our Test/Homologation Services

What Are Our Test/Homologation Services ?

Our testing services have been commissioned to conduct a number of different development tests with a focus on commercial vehicles (trucks and buses). As a result, in addition to vehicle testing, we have a great deal of experience in various homologation tests and witnessed tests. Based on this technology, we offer a homologation testing service that complies with safety standards and agreement regulations. Please refer to the following list of test items for details.

Automotive Regulations

Vehicles (motor vehicles, motorized bicycles, and light road vehicles) operating in Japan are regulated by the “Road Transport Vehicles Act” of the Ministry of Land, Infrastructure, Transport and Tourism. The Road Transport Vehicles Act stipulates “Security Standards“ as well as various requirements for the design and manufacture of automobiles to ensure safety and prevent pollution. Japan, which agreed to the UN's “1958 Agreemet“ in 1998, has continued to gradually adopt the agreed upon regulations.

Homologation Tests Item

No.	CATEGORY	DETAILED APPELLATION
R4	Illumination of Rear Registration Plates	Uniform provisions concerning the approval of devices for the illumination of rear registration plates of power-driven vehicles and their trailers
R13	Braking (trucks and busses)	Uniform provisions concerning the approval of vehicles in categories M, N and O with regard to braking
R13-H	Braking (passenger cars)	Uniform provisions concerning the approval of passenger cars with regard to braking
R46	Rear-View Mirrors	Uniform provisions concerning the approval of devices for indirect vision and of motor vehicles with regard to the installation of these devices
R51	Noise Emissions	Uniform provisions concerning the approval of motor vehicles with at least four wheels with regard to their noise emissions
R58	Rear Underrun Protection	Uniform provisions concerning the approval of: I. Rear underrun protective devices (RUPDs) — II. Vehicles with regard to the installation of an RUPD of an approved type — III. Vehicles with regard to their rear underrun protection (RUP)
R79	Steering Equipment	Uniform provisions concerning the approval of vehicles with regard to steering equipment
R130	Lane Departure Warning Systems	Uniform provisions concerning the approval of motor vehicles with regard to the Lane Departure Warning Systems (LDWS)
R131	Advanced Emergency Braking Systems (AEBS)	Uniform provisions concerning the approval of motor vehicles with regard to the Advanced Emergency Braking Systems (AEBS)
R152	Light Vehicle AEBS	Uniform provisions concerning the approval of motor vehicles with regard to the AEBS　for M1 and N1 vehicles

Overview of Our Test/Homologation Services

In the field of automotive homologation testing services, we offer a wide range of services in line with customer needs from data measurement to evaluation, analysis, and countermeasure testing for vehicles, engines, drivelines, and unit benches, making full use of our extensive experience and a wide variety of testing equipment.

• Vehicle Tests and Homologation
• Engine Tests and Homologation
• Driveline Tests
• Unit Bench Tests and Homologation

Vehicle Tests and Homologation

In vehicle testing, a variety of tests are conducted on a range of test courses by skilled test drivers. We are also well versed in layout evaluation using virtual analysis equipment, etc., and can help our customers reduce development costs and time. We can also provide fuel efficiency evaluations using a chassis dynamometer, test courses, and ordinary roads, and conduct tests in cold regions such as in Hokkaido.

	Test items
Tests Evaluation and analysis	Overall evaluation	In-vehicle sensory feeling evaluation for all performance items
	Endurance reliability	In-vehicle endurance test (test drive on rough roads)
	Layout	In-vehicle dynamic and static interference assessment, Servicing assessment
	Ride performance	Ride performance
	Stress, input measurements	Stress and input(acceleration on road) measurements during a drive
	Driving support system	Cruise control test (ACC, CACC)
	On Board Diagnostics	On Board Diagnostics test
Tests Evaluation and analysis Homologation tests	Engine and fuel consumption	In-vehicle fuel consumption and engine performance (including chassis dynamo) Test on fuel consumption rate
	Driving stability	Electronic Stability Control
	Braking performance	In-vehicle braking performance
	Sounds, vibrations	Interior noise/Vibration performance, Exterior noise performance
Homologation tests	Tests required for registration of remodeled vehicles	Various tests
	Tests required for registration of ultracompact cars	Various tests

Related article：Proposal of testing service using a chassis dynamometer (Our Completed Projects)

Engine Tests and Homologation

Using engine benches and similar devices, various tests on engine performance, durability, and other functions, as well as homologation tests are conducted.

	Test items
Tests Evaluation and analysis	Performance, exhaust emissions tests	Homologation and verification tests, Various types of fuels
	Endurance tests	Transient and stationary modes, Forced operation
	Function tests	Cold performance (start-ability, Defrosting) Temperature, Pressure, Stress, and Vibration
	Noise tests	Acoustic pressure, Sound power level, Sound source search (sound camera)
	Disassembly/Assembly, Investigation	Measuring the dimension, surface roughness, tensile force and tightening torque
	Tests on the performance of exhaust gas purification equipment	Conversion efficiency, Forced regeneration, Various functional tests
Homologation tests	Exhaust emissions homologation tests	Witnessed tests for homologation

Driveline Tests

In driveline tests, we test the quietness and durability of transmissions and differential gears. In these tests, our engineers use their data-backed judgment and keen senses to reproduce conditions that are closer to the actual market conditions and provide high-precision testing services.

	Test items
Tests Evaluation and analysis	Performance evaluation	Transmission	Operational ability measurement tests, Transmission efficiency tests
		Differential gear	Load displacement measurement tests, Tooth bearing load tests, Breaking strength tests
		Transmission	Oil temperature measurement tests (motoring bench), Oil lubrication performance tests, Sound performance tests (rattling sounds)
		Differential gear
	Endurance evaluation	Transmission	Rotation guaranteed endurance, Synchronization overrun endurance, Operational endurance
		Transmission Differential gear	Load endurance (endurance evaluation for composition parts)
Homologation tests	Breaking strength		Vertical load endurance tests for axles, Verification of torsion endurance performance of propeller shaft
	Breaking strength		Torsion rupture torque verification tests (Propeller shaft, axle shaft)
	Benchmark		Load collective on vehicle

Unit Bench Tests and Homologation

In the unit tests, the components that make up the vehicle are tested on benches. Specifically, we conduct crash tests on vehicles and cabins, EMC compliance tests in an anechoic chamber, and stress and vibration tests on individual vehicle components such as cabins, frames, and axles. We also specialize in fatigue strength testing of individual parts using a vibration exciter, such as fuel tanks, reservoir tanks, springs, and side mirrors.

	Test items
Tests Evaluation and analysis	Thermal cycle tests	Verification tests for the impact of temperature changes
	Low-temperature performance evaluation tests	In-vehicle cold startability
	Noise source/volume tests	Steady-state noise, Quasi steady-state noise, Noise source identification (acoustic intensity)
	Corrosion control evaluation tests	Cycle tests (salt fog, humidity, temperature)
	Strength endurance tests	Load input test, Vibration endurance test (steady, sweep)
	Human engineering	Habitability, Driving position, Maneuverability
Homologation tests	Crash safety tests (Full-Scale )	Evaluation based on the impact for dummy and vehicle’s deformation, Fuel leakage prevention tests, Frontal impact occupant protection tests, Side impact occupant protection tests
	Crash safety tests (Sled) ）	Child-seat safety verification tests, Seatbelt safety verification tests
	Seatbelt attachment device tests	ISO-FIX anchor tests, Strength tests for seatbelt attachment part static load (simultaneous load for seats for 1-3 persons)
	Inrush prevention equipment tests	Inrush prevention equipment tests
	Electromagnetic compatibility test	Radio noise (emissions) tests, Electromagnetic interference (immunity) tests
	Preventive safety performance	AEBS、LDWS

Contact Us if You Have Any of the Following Issues:

• New or imported trailers need to be homologated.
• We urgently need to solve the shortage of manpower and locations for homologation.
• Creating homologation test scores is cumbersome.
• We want to conduct noise tests in advance.

How to Start Receiving Support

1. STEP 01Contact usContact us by phone or by using the contact form
2. STEP 02Follow-up questionsA representative contacts you and dicusses your company's business to propose appropriate services.
3. STEP 03Quotes and contractsWe create a quote and prepare a contract.
4. STEP 04Support commencesWe begin support tailored to your specific needs.

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