In this SAE Recommended Practice@ attention will be given to passenger cars and light trucks (through Class IIII). Purpose??To define standardized symbols that describe the arrangement and function of drivetrain systems and components of all-wheel-drive vehicles.
SAE J2059-2018 history
2018SAE J2059-2018 All-Wheel-Drive Drivetrain Schematic Symbol Standards
2013SAE J2059-2013 J2059 All-Wheel Drive Drivetrain Schematic Symbol Standard and Drawings
1992SAE J2059-1992 All-Wheel-Drive Drivetrain Schematic Symbol Standards
2013SAE J2059ZIP-0220 J2059 All-Wheel Drive Drivetrain Schematic Symbol Standard and Drawings