This Standard specifies the test methods and inspection rules for the photometric characteristics, light colours and temperature cycling of motor vehicle headlamps equipped with LED light source(s)/module(s) or headlamps containing LED light source(s)/modules.
This Standard applies to LED headlamps of type M and N motor vehicles, or LED headlamps emitting passing beams or driving beams by LED light source(s) or LED module(s).
Foreword I 1 Scope 2 Normative References 3 Terminologies and Definitions 4 Different Types of Headlamps 5 Requirements 6 Test Methods 7 Inspection Rules Appendix A (Normative) Stability Tests for the Photometric Characteristics of LED Headlamps Appendix B (Normative) Stability Tests for Illuminance, Chromaticity and Temperature of LED Headlamps Appendix C (Normative) Temperature-resistance Cycling Test of LED Headlamps
