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Speedometer and Odometer Systems for On-Highway Vehicles

Odometer and Speedometer Standards
  • Ground Vehicle Standard
  • J2976_201602
  • Current
Published 2016-02-03 by SAE International in United States
This recommended practice is intended to provide industry technical personnel with an overview of vehicle speedometer system accuracy and offset requirements and odometer system accuracy requirements. Speedometer and odometer systems covered by this document are integrated into a vehicle's electrical and electronics system, assembled directly into the vehicle by the OEM, and use rotational data from at least one vehicle wheel that is appropriately converted into longitudinal vehicle speed and distance traveled information. This standard is limited to radial ply tires on new (as manufactured) cars, light trucks, and medium duty trucks. Other methods for measuring vehicle speed and distance traveled may be used provided they meet the performance recommendations herein. Any local market regulatory requirements must be met and shall supersede this document. Service parts are beyond the scope of this recommended practice.
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Speedometers and Tachometers - Automotive

Odometer and Speedometer Standards
  • Ground Vehicle Standard
  • J678_201108
  • Current
Published 2011-08-05 by SAE International in United States
This SAE Recommended Practice applies to speedometers, odometers, and speedometer drives typical of passenger vehicles, buses, and trucks used for personal or commercial purposes. The method of determining wheel revolutions per unit distance (3.1) and overall system design variation (3.3.3) are applicable to passenger cars only. Comparable recommendations for trucks and buses are under development. The data of tachometers is applicable to vehicular use, as previously described, and also to stationary and marine engines and special vehicles.
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Speedometer Test Procedure

Odometer and Speedometer Standards
  • Ground Vehicle Standard
  • J1059_201108
  • Current
Published 2011-08-05 by SAE International in United States
This SAE Recommended Practice provides a test procedure for eddy current speedometers, including the odometer if an integral portion of the speedometer, for passenger car service.
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Factors Affecting Accuracy of Mechanically Driven Automotive Speedometer-Odometers

Odometer and Speedometer Standards
  • Ground Vehicle Standard
  • J862_201108
  • Current
Published 2011-08-05 by SAE International in United States
This report is concerned with factors which affect accuracy of distance indication and speed indication of automotive type odometer speedometers. It is the intent to supply information regarding all items which affect the instrument.
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Electric Speedometer Specification - On Road

Odometer and Speedometer Standards
  • Ground Vehicle Standard
  • J1226_201108
  • Current
Published 2011-08-05 by SAE International in United States
This SAE Recommended Practice covers electric speedometer systems for general on-road (passenger car, multi-purpose passenger vehicle, truck, and bus) applications.
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Speedometers and Tachometers-Automotive

Odometer and Speedometer Standards
  • Ground Vehicle Standard
  • J678_198812
  • Historical
Published 1989-05-22 by SAE International in United States
This SAE Recommended Practice applies to speedometers, odometers, and speedometer drives typical of passenger vehicles, buses, and trucks used for personal or commercial purposes. The method of determining wheel revolutions per unit distance and overall system design variation are applicable to passenger cars only. Comparable recommendations for trucks and buses are under development. The data of tachometers is applicable to vehicular use, as previously described, and also to stationary and marine engines and special vehicles.

Factors Affecting Accuracy of Mechanically Driven Automotive Speedometer and Odometers

Odometer and Speedometer Standards
  • Ground Vehicle Standard
  • J862_198901
  • Historical
Published 1989-01-01 by SAE International in United States
This report is concerned with factors which affect accuracy of distance indication and speed indication of automotive type odometer speedometers. It is the intent to supply information regarding all items which affect the instrument.

Speedometer Test Procedure

Odometer and Speedometer Standards
  • Ground Vehicle Standard
  • J1059_198406
  • Historical
Published 1984-06-01 by SAE International in United States
This SAE Recommended Practice provides a test procedure for eddy current speedometers, including the odometer if an integral portion of the speedometer, for passenger car service.

Speedometers and Tachometers-Automotive

Odometer and Speedometer Standards
  • Ground Vehicle Standard
  • J678_198406
  • Historical
Published 1984-06-01 by SAE International in United States
This SAE Recommended Practice applies to speedometers, odometers, and speedometer drives typical of passenger vehicles, buses, and trucks used for personal or commercial purposes. The method of determining wheel revolutions per unit distance and overall system design variation are applicable to passenger cars only. Comparable recommendations for trucks and buses are under development. The data of tachometers is applicable to vehicular use, as previously described, and also to stationary and marine engines and special vehicles.

Electric Speedometer Specification--On Road

Odometer and Speedometer Standards
  • Ground Vehicle Standard
  • J1226_198302
  • Historical
Published 1983-02-01 by SAE International in United States
This SAE Recommended Practice covers electric speedometer systems for general on-road (passenger car, multi-purpose passenger vehicle, truck, and bus) applications.