This part describes the potential environmental stresses and specifies tests and requirements recommended for the specific mounting location on/in the vehicle.
This part applies to electric and electronic systems/components for vehicles.
This part contains definitions, mounting locations, operating modes and general notes. Electromagnetic compatibility (EMC) is not covered by this part.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 28046.2 Road Vehicles - Environmental Conditions and Testing for Electrical and Electronic Equipment - Part 2: Electrical Loads (GB/T 28046.2-2011, ISO 16750-2: 2006, MOD)
GB/T 28046.3 Road Vehicles - Environmental Conditions and Testing for Electrical and Electronic Equipment - Part 3: Mechanical Loads (GB/T 28046.3-2011, ISO 16750-3: 2007, MOD)
GB/T 28046.4 Road Vehicles - Environmental Conditions and Testing for Electrical and Electronic Equipment - Part 4: Climatic Loads (GB/T 28046.4-2011, ISO 16750-4: 2006, MOD)
ISO 16750-5 Road Vehicles - Environmental Equipment - Part 5: Chemical Loads Conditions and Testing for Electrical and Electronic
ISO 20653 Road Vehicles - Degrees of Protection (IP-Code) - Protection of Electrical Equipment Against Foreign Objects, Water and Access
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1
nominal voltage
UN
voltage value used to describe the electrical system of a vehicle
3.2
supply voltage
US
voltage of the electrical system of a vehicle that varies with the system load and the operating condition of the generator
3.3
supply voltage minimum
USmin
lowest supply voltage in the specified supply voltage range of the DUT performing class A
