ISO 10605: Test Methods for Electrical Disturbances From Electrostatic Discharge on Automotive Road Vehicles

Scope of ISO 10605 Automotive ESD

This International Standard specifies the electrostatic discharge (ESD) test methods necessary to evaluate electronic modules intended for vehicle use. It applies to discharges in the following cases: 

1. ESD in assembly; 
2. ESD caused by service staff; 
3. ESD caused by occupants. 

ESD applied to the device under test (DUT) can directly influence the DUT. ESD applied to neighbouring parts can couple into supply and signal lines of the DUT in the vehicle and/or directly into the DUT. This International Standard describes test procedures for evaluating both electronic modules on the bench and complete vehicles. This International Standard applies to all types of road vehicles regardless of the propulsion system (e.g. spark-ignition engine, diesel engine, electric motor). This International Standard is based in part on IEC 61000-4-2 and describes vehicle-specific requirements. 

Vehicle Test Method (Section 10 of ISO 10605):

Choose a generator capacitance of 330 pF for areas that can easily be accessed only from the inside of the vehicle and resistance of 330 Ω or 2 kΩ. The maximum test voltage can be limited in this case to 15 kV. Choose a capacitance of 150 pF for points that can easily be touched only from the outside of the vehicle and resistance of 330 Ω or 2 kΩ. In this case, the maximum test voltage is 25 kV. Areas that can be touched both from the outside and inside shall be tested with both generator capacitance values and 15 kV and 25 kV maximum test voltage, respectively.

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Automotive ESD Compliance Standards by Manufacturer

• Ford Motor Company - FMC1278 & EMC-CS-2009.1
• VolksWagen per TL 824 66  (330pF/330Ω)
• VolksWagon VW 80972:2001-10 (1500 pF/2200 Ω)
• General Motors GMW3091, GMW3094, GMW3097, GMW3100  (150 pF/2 kΩ)
• Hyundai Motor Company - ES-X 44017 HMC (1000 pF/2 kΩ)
• Chrysler PF9326-D-May 00, Chrysler LP388-C-42 (100 pF/500 Ω)

Other General Compliance Standards for Automotive ESD

• SAEJ1113-13 (150 pF/2 kΩ; 330 pF/2 kΩ)
• JASO D001-87 and 94 (150pF/500Ω)

Discharge Resistance/Capacitance

Test Levels from ISO 10605

All tests are to be performed in positive and negative polarities.