Terminology - Motor Vehicle Lighting

Standard:
Revised:
  • 2014-04-28
 
  • CURRENT
Publisher:
  • SAE International
Pages:
11
Scope:

This SAE Recommended Practice provides definitions of common terms used in SAE Documents pertaining to motor vehicle lighting. It covers not only basic lighting terms but also terms which identify major segments of technical reports.

Rationale:

  • Definitions revised & clarified from ballot
  • 2.1 Cross Reference Matrix corrected
  • 3.1.7 Comma removed
  • 3.2.3 Revised Aiming Screws definition
  • 3.2.5 Revised Cutoff definition
  • 3.2.6 DRL Telltale (Indicator added)
  • Removed 3.2.8 “Full Adaptive Forward Lighting System” per comment that 3.2.8 is confusing and incomplete and is covered by 3.2.2
  • 3.2.13 Optical Center definition clarified
  • 3.2.16 Turn Signal Indicator definition revised
  • 3.3.4 Revised “Light Emitting Surface” for clarity and ballot comments
  • 3.3.5 Revised “Effective Projected Luminous Lens Area” definition for clarity and ballot comments
  • 3.3.9 Signal lamp ratio definition revised per ballot comments
  • 3.4.1 Revised Back-up function definition
  • 3.4.2 Revised Back-up definition
  • 3.5.3 “Side Repeaters” eliminated in definition and changed to “Side Direction Indicators”
  • 3.6.1 Parking lamps removed from DRL list of lamps.
  • 3.6.5 Front Position added to title and definition revised to be consistent with the tail lamp definition
  • 3.6.6 “Rear Position” added to Tail Light title and definition revised per ballot comments
  • 3.7.1 “Courtesy” added to Puddle Lamp title
  • 3.8.1 Reversing added to Back Up title
  • History:
    Standard Published Revision Status
    J387_201404 2014-04-28 Latest Revised
    2012-04-11 Historical Revised
    2007-01-17 Historical Revised
    1995-09-01 Historical Revised
    1988-10-01 Historical Revised
    1987-11-01 Historical Revised
    1983-07-01 Historical Revised
    1969-03-01 Historical Issued
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