文本描述
ENHANCED E-E DIAGNOSTIC TEST MODES
Scope ...................................................................................................................................................... 4
2. References .............................................................................................................................................. 4
2.1.1 SAE Publications ..................................................................................................................................... 4
2.1.2 ISO Publications ...................................................................................................................................... 4
2.1.3 California ARB Documents...................................................................................................................... 4
2.1.4 Federal EPA Documents .......................................................................................................................... 4
3. Definitions................................................................................................................................................ 4
4. Technical Requirements ........................................................................................................................... 5
4.1 Test Mode Values .................................................................................................................................... 5
4.2 Physical Addressing ................................................................................................................................ 6
4.3 Miscellaneous Requirements ................................................................................................................... 6
4.3.1 Message Response Time......................................................................................................................... 6
4.3.2 Automatic Return to Normal Operation .................................................................................................... 7
4.3.3 Diagnostic Message Length ..................................................................................................................... 7
4.3.4 Message Response................................................................................................................................. 7
5. Test Modes .............................................................................................................................................. 8
5.1 Modes $00 through $0F - Physically Addressed SAE J1979 Messages.................................................. 8
5.2 Mode $10 - Initiate Diagnostic Operation ................................................................................................. 9
5.2.1 Functional Description............................................................................................................................. 9
5.2.2 Message Data Bytes ............................................................................................................................... 9
5.3 Mode $11 - Request Module Reset.......................................................................................................... 9
5.3.1 Functional Description............................................................................................................................. 9
5.3.2 Message Data Bytes .............................................................................................................................. 10
5.4 Mode $12 - Request Diagnostic Freeze Frame Data ............................................................................. 10
5.4.1 Functional Description........................................................................................................................... 10
5.4.2 Message Data Bytes ........
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