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Home >> Audi >> 1995 >> A6 Sedan (4A2) V6-2.8L (AAH) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Testing >> Diagnosis With Scan Tool, Address Word 01 >> Basic Setting >> Display Group Diagnostic Charts >> Display Group 037
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Display Group 037

DISPLAY GROUP 037
Actual Voltage Signal Increase/Decrease (response) Time Of The Front Heated Oxygen Sensors (HO2S).

NOTES:
^ If the diagnostic conditions are fulfilled (see display group 036), display group 037 displays the actual heated oxygen sensor voltage signal increase and/or decrease (response) times. After ending diagnostic, the values displayed are those that were recognized during the last diagnostic test.
^ If limit values are exceeded (signal increase time: 70 ms; signal decrease time: 100 ms), the diagnostic test is recognized as not OK. In this case the malfunction "O2S circuit slow response (Bx-Sx)" is stored in the DTC memory the signal increase and/or signal decrease times will continue to be checked, and the display values of display group 028 are increased with each additional test. The limit values can also be exceeded because of combustion misfiring. In this case, the malfunction "Cyl. x misfire detected" is stored in the DTC memory

DISPLAY OVERVIEW

VAG 1551 Display Overview, Display Group 037:




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