The SAE J1796–2020 standard defines a test method for measuring the direct solar and visible transmittance of safety glazing materials used in road vehicles. It provides a consistent procedure to evaluate clear or tinted, monolithic or laminated glazing. This standard…

The SAE J1798/2_202412 standard provides a comprehensive framework for evaluating the electrical performance of lithium-ion battery modules (LIBM) used in xEV battery packs and other applications. Published in December 2024, this recommended practice standardizes test procedures for capacity, energy, fast-charging,…

Self-propelled sweepers and scrubbers used in industrial and municipal settings often need to be operated from either side of the machine. SAE J1791 (reaffirmed 2022) establishes the requirements for designing, constructing, and ensuring the safety of dual position driving controls…

SAE J1793-2021 provides a uniform methodology for rating the capacities of debris hoppers and fluid tanks on self-propelled sweepers and scrubbers. By establishing consistent definitions for struck volume, heaped volume, and rated capacity, the standard ensures that equipment comparisons across…

Understanding the Scope and Status SAE J1773-2014 is a SAE Recommended Practice that specifies the interface requirements for inductively coupled charging of electric vehicles. It covers the connection between the inductive connector (charger side) and the vehicle inlet, including power…

Overview and Scope SAE J178-1998 is a recommended practice covering high-quality, hard-drawn steel spring wire intended for the manufacture of springs and wire forms subjected to high stresses or requiring good fatigue properties. It also specifies processing requirements for springs…

Determining the ash content of aviation piston engine oils is critical for ensuring engine cleanliness and performance. Traditional methods like ASTM D 482 often lack precision for low-ash formulations (≤0.011%). Enter SAE J1787, an empirical calculation method that uses elemental…

The SAE J1770 standard, issued in 1995 and cancelled in November 2010, established critical minimum requirements for recovery/recycling equipment intended for use with both R12 and R134a refrigerants in a common circuit. Its primary goal was to ensure that such…

The latest revision of SAE J1772 introduces critical refinements to the foundational North American EV conductive charging standard. This document serves as a detailed guide for engineers and designers navigating the updates to safety, performance, and global harmonization. 🔍 Key…

Automotive lighting systems rely on miniature bulbs that must withstand constant vibration from road conditions and vehicle operation. SAE J1765, now stabilized, provides a uniform test method to evaluate the durability of these bulbs under simulated in-service vibration. This recommended…

The SAE J1766 Recommended Practice is a critical standard for evaluating the crash integrity of electric, fuel cell, and hybrid electric vehicles. The 2014 revision (J1766_201401) introduced significant changes to enhance post-crash electrical safety, align with international regulations, and provide…

Essential Specifications for Color Measurement The SAE J1767:2021 standard establishes a rigorous protocol for using instrumental color measurement to assess colorfastness of automotive interior trim materials. It specifies the color space, illuminant, observer, and instrument setup intended to eliminate variability…

The Role and Scope of SAE J1761 in ITS Terminology Intelligent Transportation Systems (ITS) represent a convergence of traditional transportation technology with computers, sensing, and communications. The SAE J1761 Information Report, originally issued in 1995 and cancelled in 2003, was…

This article provides an overview of the conceptual ITS architecture described in SAE J1763, with a focus on Advanced Traveller Information Systems (ATIS). The framework defines modular functions, supports a media-independent application layer protocol, and accommodates both current and future…

The SAE J1757-1 standard defines consistent terminology and metrology for vehicular flat panel displays (FPDs), focusing on optical performance under typical automotive ambient light illumination. The 2021 revision adds important clarifications for reflections from white cloth in the critical light…

SAE J1760 is a recommended practice that mandates data security services for the Intelligent Transportation Systems Data Bus (IDB). It aligns with ISO 15764 and provides a structured approach to authentication, encryption, and access control based on classes of security.…

Understanding the Lateral Impact Test for Wheel Durability 🛠️ SAE J175-2023 is a recommended practice that establishes minimum performance requirements and uniform laboratory procedures for evaluating lateral (curb) impact collision resistance of wheels intended for passenger cars and light trucks.…