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Standard

OBD-II Scan Tool: First Generation Protocols

2023-12-13
CURRENT
J1978-1_202312
SAE J1978-1 specifies a complementary set of functions to be provided by an OBD-II scan tool. These functions provide complete, efficient, and safe access to all regulated OBD (on-board diagnostic) services on any vehicle which complies to SAE J1978-1 The SAE J1978-1 content of this document is intended to satisfy the requirements of an OBD-II scan tool as required by current U.S. on-board diagnostic (OBD) regulations. This document specifies: A means of establishing communications between an OBD-equipped vehicle and an OBD-II scan tool. A set of diagnostic services to be provided by an OBD-II scan tool in order to exercise the services defined in SAE J1979 and SAE J1979-2. The presentation of the SAE J1978 document family, where SAE J1978-1 covers first generation protocol functionality defined in SAE J1979, and SAE J1978-2 covers second generation protocol functionality defined in SAE J1979-2.
Standard

Operator Enclosure Pressurization System Test Procedure

2023-12-07
CURRENT
J1012_202312
This SAE Recommended Practice establishes a uniform test procedure for evaluating performance of operator enclosure pressurization systems for construction, general-purpose industrial, agricultural, forestry, and specialized mining machinery as categorized in SAE J1116 for off-road, self-propelled work machines.
Standard

Guidelines for Liquid Level Indicators

2023-10-06
CURRENT
J48_202310
This SAE Recommended Practice pertains to liquid level determination for any fluid compartment of off-road work machines as defined in SAE J1116 and ISO 6165.
Standard

Cast Shot and Grit Size Specifications for Cleaning and Peening

2023-06-27
CURRENT
J444_202306
This SAE Recommended Practice pertains to blast cleaning and shot peening and provides for standard cast shot and grit size numbers. For shot, this number corresponds with the opening of the nominal test sieve, in ten thousandths of inches1, preceded by an S. For grit, this number corresponds with the sieve designation of the nominal test sieve with the prefix G added. These sieves are in accordance with ASTM E11. The accompanying shot and grit classifications and size designations were formulated by representatives of shot and grit suppliers, equipment manufacturers, and automotive users.
Standard

PWM HVAC Blower Controller and BLDC Motor Controller Efficiency Assessment

2023-06-13
CURRENT
J3109_202306
The intention of this standard is to establish a framework to measure the efficiency of PWM HVAC Blower Controllers and Brushless DC Motor Controllers and define a usage based overall efficiency. This result can then be used by vehicle OEMs to demonstrate compliance towards requirements or benchmarks established by regulatory agencies.
Standard

Coolants for Internal Combustion Engines

2023-05-01
CURRENT
J814_202305
This SAE Information Report is a source of information concerning the basic properties of engine coolants which are satisfactory for use in internal combustion engines. Engine coolant concentrate (antifreeze) must provide adequate corrosion protection, lower the freezing point, and raise the boiling point of the engine coolant. For additional information on engine coolants, refer to ASTM D3306, ASTM D4985, and ASTM D6210.
Standard

Hybrid III Large Male Drawing Package

2023-03-08
CURRENT
J2859_202303
This SAE Surface Vehicle Information Report identifies and defines the drawings and parts relating to the use of the Hybrid III Large Male Test Dummy.
Standard

Heavy-Duty Vehicle Cooling Test Procedures

2023-02-06
CURRENT
J1393_202302
The purpose of this SAE Recommended Practice is to establish a testing procedure to determine the performance capability of heavy-duty vehicle cooling systems to meet Original Equipment Manufacturer or end user thermal specifications to ensure long term reliable vehicle operations. The recommendations from the present document are intended for heavy-duty vehicles including, but not limited to, on- and off-highway trucks, buses, cranes, drill rigs, construction, forestry, and agricultural machines.
Standard

Selection and Use of Cleaners and Disinfectants for Vehicle Interior Surfaces and Exterior Touch Points

2022-12-20
CURRENT
J3260_202212
This recommended practice is intended to provide general guidelines for the selection and proper use of cleaning and disinfecting product characteristics acceptable for use on vehicle interiors and exterior touch points (cleaning before disinfecting being best practice in general for vehicles, as with other situations), and the effectiveness of the disinfecting products with certain characteristics, as well as indicating the product characteristics that will not cause damage to those surfaces.
Standard

Test Method for Determining Power Consumption of Cooling Fan Drive Systems

2022-08-26
CURRENT
J1342_202208
The techniques outlined in this SAE Recommended Practice were developed as part of an overall program for determining and evaluating fuel consumption of heavy-duty trucks and buses, but it is applicable to off highway vehicles as well. It is recommended that the specific operating conditions be carefully reviewed on the basis of actual installation data. Cooling requirements are affected by all heat exchangers that are cooled by the fan drive system. These may include radiators, condensers, charge air coolers, oil coolers, and others. Because of the variation in size, shape, configuration, and mountings available in cooling fans and fan drive systems, specific test devices have not been included. Using known power/speed relationships for a given fan, this procedure can be used to calculate the fan drive system’s power consumption for cooling systems using the types of drives listed below. This power consumption may then be used in determining engine net power per SAE J1349.
Standard

OBD-II Scan Tool

2022-05-26
CURRENT
J1978_202205
SAE J1978/ISO 15031-4 specifies a complementary set of functions to be provided by an OBD-II scan tool. These functions provide complete, efficient, and safe access to all regulated OBD (on-board diagnostic) services on any vehicle which is compliant with SAE J1978/ISO 15031-4. The SAE J1978 content of this document is intended to satisfy the requirements of an OBD-II scan tool as required by current U.S. on-board diagnostic (OBD) regulations. The ISO 15031-4 content of this document is intended to satisfy the requirements of OBD requirements in countries other than the U.S., and includes functionality not required or not allowed in the U.S. This document specifies: A means of establishing communications between an OBD-equipped vehicle and an OBD-II scan tool. A set of diagnostic services to be provided by an OBD-II scan tool in order to exercise the services defined in SAE J1979/ISO 15031-5.
Standard

Automotive Air-Conditioning Service Ports Final Report, Recommendations

2022-05-02
CURRENT
J3266_202205
The scope of this SAE Information Report is an evaluation of the ports and tools used on automotive air-conditioning systems to evacuate and charge systems with approved refrigerants during vehicle service. A task force was formed in April 2021 to perform this evaluation and concluded its work in September 2021. The scope of the task force was to evaluate issues being reported from service repair shops with air-conditionings service ports and the tools being used to connect to these ports. The task force also evaluated published SAE J Standards and discovered many of these standards did not include the necessary requirements for service ports and tools. The task force published a final report of its findings and recommendations. The report includes recommendations to correct and publish new SAE Standards related to the scope of this project.
Standard

AUTOMOTIVE GRADE COAXIAL CABLE PERFORMANCE SPECIFICATION

2022-03-15
CURRENT
USCAR29-1
This document specifies dimensional, functional and visual requirements for Automotive grade coaxial cable. This material will be designated AG for general-purpose automotive applications or AG LL for low loss applications. It is the responsibility of the user of this cable to verify the suitability of the selected product (based on dimensional, mechanical, electrical and environmental requirements) for its intended application. It is the responsibility of the supplier to retain and maintain records as evidence of compliance to the requirements detailed in this standard.
Standard

Engine Cooling Fan Structural Analysis

2022-02-23
CURRENT
J1390_202202
Three levels of fan structural analysis are included in this practice: a Initial structural integrity. b In-vehicle testing. c Durability (laboratory) test methods. The initial structural integrity section describes analytical and test methods used to predict potential resonance and, therefore, possible fatigue accumulation. The in-vehicle (or machine) section enumerates the general procedure used to conduct a fan strain gage test. Various considerations that may affect the outcome of strain gage data have been described for the user of this procedure to adapt/discard depending on the particular application. The durability test methods section describes the detailed test procedures for a laboratory environment that may be used depending on type of fan, equipment availability, and end objective. The second and third levels build upon information derived from the previous level.
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