the automotive electrical and electronic(e/e) systems test service
e /e system integration test
we focus on providing automobile manufacturers with the most reliable test services that includes comfort systems, chassis systems, powertrain systems, safety systems, information and entertainment systems, bus communication systems, power supply systems and electrical grounding systems. during the process of vehicleresearch and development, our test service is not only capable to detect the design and function errors in advance, but also assists the vehicle manufacturers to discover the flaws in system design and optimize the product design.
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body & comfort systems
• system scope
♦ bcm、peps、dcm、gw、pwm、scu、ac、roof …
• test coverage
♦ system positive function, boundary value, power management, mis-use, scene analysis, fault diagnosis, anti-pinch strategy …
• test condition
♦ field test, bench test
information & entertainment systems
• system scope
♦ ic、radio、mmc、avm、pas、hud、telematics …
• test coverage
♦ system positive function, boundary value, power management, mis-use, scene analysis, fault diagnosis, display for strategy reasonableness, display for priority, subjective feeling …
• test condition
♦ field test, bench test
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chassis, powertrain & safety systems
• system scope
♦ ems、tcu、esp、eps、escl、afs、acc、ldw、immo、frs、fcs…
• test coverage
♦ system positive function, boundary value, power management, mis-use, scene analysis, fault diagnosis, coordinated torque control strategy, braking request control strategy …
• test condition
♦ field test
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power supply, grounding & wiring harness systems
• system scope
♦ design and selection of power supply system and grounding system
♦ electrical performance test and rectification scheme design of vehicle
♦ electrical performance design, establishment and improvement of test specification
• test condition
♦ field test
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function test for e/e systems
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function test examples of e/e systems
• peps functional test
functional partition：
♦ power distribution function test;
♦ smart start,smart stop
♦ start button in backlight
♦ smart locking, unlocking
♦ remote locking, unlocking
♦ central control locking, unlocking
♦ mechanical key locking, unlocking
♦ automatic latch
♦ body anti-theft
♦ smart-key monitor
♦ …
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• bcm functional test
functional partition：
♦ inner light
▼car door action
▼ignition action
▼ …
♦ outer light
▼running lamp
▼location illumination
▼…
♦ wiper and washer
▼front wiper off/on
▼front wiper wiping
▼…
♦ central control
▼central door lock control
▼door state test
▼…
♦ auxiliary function
▼comfort window-up by remote key
▼anti-pinch and alarming in theprocess of comfort window-up
▼…
♦ anti-theft
▼set security →pre-set security→unset security
▼ …
♦ gateway function
♦ network management
▼dormant condition
▼wakeup after overnight dormancy
▼ …
♦ electric property test
▼power management function
▼transient effect of start
▼power off/on
▼…
♦ mis-use
▼viscous operation
▼repeated manipulation
▼…
♦ scene test
▼speed effect
▼environment effect
▼…
♦ diagnosis test
▼load failure of open-circuit and and short-circuit
▼power failure
▼…
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test-bed condition for complete vehicle function statistics of test problems in certain vehicle (the first round test)
functional testing of field condition
work and product of the test project
• test scheme
• test matrix
• test cases
• test item problem report
• test problems analysis report…
main test techniques and methods
• equivalence partitioning
• mc/dc
• boundary value
• state transition
• scene analysis
• error guessing
• …