SAE J2402 is a surface vehicle standard that specifies conventional signs (symbols) for controls, indicators, and tell-tales in road vehicles. It applies to passenger cars, light and heavy commercial vehicles, and buses. The standard also defines color codes for optical…

What Is SAE J2405-2021? SAE J2405-2021 specifies the minimum requirements for low-permeation tubing (100 g/m²/day or less) for use as low-pressure (14.5 kPa) liquid- or vapor-carrying components in gasoline or diesel fuel filler, vent, and vapor systems. The standard covers…

Driver visual behavior is a critical aspect of safe vehicle operation. The SAE J2396‑2023 Recommended Practice provides a consistent vocabulary and analytical framework for video‑based measurement of eye glance behavior. This standard, stabilized in 2023, remains the authoritative reference for…

Adaptive Cruise Control (ACC) is an advanced driver assistance system that automatically adjusts vehicle speed to maintain a preset following distance from the vehicle ahead. SAE J2399, a recommended practice stabilized in October 2021, defines the minimum operating characteristics and…

SAE J240-2012 defines a life test procedure for automotive storage batteries, originally issued in 1971 and stabilized in 2012. This standard, developed by the SAE Battery Standards Starter Battery Committee, is intended for conventional battery technologies and now carries a…

SAE J2380-2021 defines a recommended practice for vibration durability testing of electric vehicle (EV) battery modules and packs that are typically over 200 kg and structurally integrated into the vehicle. This standard provides a time-compressed random vibration test based on…

This article provides an overview of the essential installation parameters for desiccant air dryers as outlined in SAE J2383. Adhering to these guidelines ensures optimal performance, safety, and longevity of the air drying system in vehicles with compressed air systems.…

SAE J2387 is a recommended practice that defines target dimensions and tolerances for coolant system hoses classified as SAE 20R3 and SAE 20R4. It covers both standard-wall and thin-wall hose constructions, providing commercial and precision tolerance classes. This guide breaks…

Air brake performance in highway trailer combinations depends on a reliable supply system that can quickly pressurize reservoirs and release spring-applied parking brakes. SAE J2378-2014 (stabilized November 2014) provides a standardized method for evaluating the efficiency of these systems. Developed…

SAE J2379:2019 provides a structured framework for constructing high-performance reciprocating spark-ignition engines. This standard focuses on achieving a minimum of 1 horsepower per cubic inch using disciplined assembly methods and fit-for-purpose components. Whether you are building a short-block or a…

Overview of the Standard SAE J2371-2018 is a stabilized recommended practice that defines a test procedure for obtaining clamping force data of self-compensating type clamps, including SAE Type E, CTB, and CTW. These clamps are widely used in hose and…

The SAE J2373 Information Report captures the results of three public sector workshops held between 1996 and 1998 that laid the groundwork for Intelligent Transportation Systems (ITS) map database interoperability. Sponsored by the Federal Highway Administration and developed by Oak…

The SAE J2374-1999 standard defines a suite of location referencing interface profiles for Intelligent Transportation Systems (ITS). Designed to enable unambiguous communication of location across mixed data set environments, it provides standard semantics and syntax for location reference messages. This…

SAE J2366‑2 defines the link layer of the Intelligent Transportation Systems Data Bus (IDB‑C). It specifies the Media Access Control (MAC) and Logical Link Control (LLC) sublayers for a virtual token bus network, providing deterministic access and fault tolerance for…

The growing demand for real-time travel information—traffic incidents, transit schedules, weather alerts—places significant pressure on wireless data links, which often operate under severe bandwidth constraints. SAE J2369, Standards for ATIS Message Sets Delivered over Reduced Bandwidth Media, provides a structured,…

The SAE J2366-1L standard defines the Low Impedance Stereo Audio (LISA) bus, an analog audio bus used in conjunction with the IDB-C physical layer for in-vehicle infotainment and telematics systems. This recommended practice specifies electrical characteristics, transmitter and receiver parameters,…

The SAE J2366-1 standard specifies the physical layer of the Intelligent Transportation Systems Data Bus on CAN (IDB-C). Developed for in-vehicle use, this non-proprietary, virtual-token passing bus enables seamless communication among consumer, vehicle, and commercial electronic components. Whether you’re designing…