J1979_199112: E/E DIAGNOSTIC TEST MODES

Features

Issuing Committee: Vehicle E E System Diagnostic Standards Committee

Scope

Content

This SAE Recommended Practice defines diagnostic test modes, and request and response messages, necessary to be supported by vehicle manufacturers and test tools to meet the requirements of the California OBD II regulations, which pertain to vehicle emission-related data only. These messages are intended to be used by any service tool capable of performing California OBD II mandated diagnostics.

Diagnostic Test Modes included in this document are:

For each test mode, this document includes:

a
Functional descriptions of test mode
b
Request and response message formats

Meta Tags

Topics: On-board diagnostics (OBD)
Throttles
Electrical systems
Diagnostics
Architecture
Control systems
Vehicle networking
Terminology
Electronic equipment
Test procedures

Details

DOI: https://doi.org/10.4271/J1979_199112

Pages: 19

Citation: SAE International Recommended Practice, E/E DIAGNOSTIC TEST MODES, SAE Standard J1979_199112, Issued December 1991, https://doi.org/10.4271/J1979_199112.

Additional Details