Select diagnostic function
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2004 Audi A6, 2003 Audi S6, 2003 Audi A6, 2002 Audi S6, and 2002 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.
- After connecting the diagnostic tester and selecting diagnostic function "33 - OBD", several diagnostic modes can be selected.
- The following diagnostic modes monitor all components and systems which influence the emission quality.
SELECTABLE DIAGNOSTIC MODES
| Selectable diagnostic modes | Ignition on, engine standing | Requirement Engine running at idle |
Vehicle in drive mode | |||||
|---|---|---|---|---|---|---|---|---|
| Mode 1: Check measured values | See MODE 1: CHECK MEASURED VALUES . | Yes | Yes | Yes | ||||
| Mode 2: Checking operating conditions | See MODE 2: CHECKING OPERATING CONDITIONS . | Yes | Yes | Yes | ||||
| Mode 3: Check DTC Memory | See MODE 3: CHECK DTC MEMORY . | Yes (1) | Yes | Yes | ||||
| Mode 4: Reset/erase diagnostic data | See MODE 4: RESET/ERASE DIAGNOSTIC DATA . | Yes | Yes | Yes | ||||
| Mode 5: Check output of oxygen sensor signals | See MODE 5: CHECK OXYGEN SENSOR OUTPUT SIGNALS . | Yes | Yes | Yes | ||||
| Mode 6: Check test results of components that are not continuously monitored | See MODE 6: CHECK TEST RESULTS OF COMPONENTS THAT ARE NOT CONTINUOUSLY MONITORED . | No | Yes | Yes | ||||
| Mode 7: Check test results of components that are continuously monitored | See MODE 7: CHECK TEST RESULTS OF COMPONENTS THAT ARE CONTINUOUSLY; MONITORED . | Yes (1) | Yes | Yes | ||||
| Mode 8: Tank leak test | See MODE 8: TANK LEAK TEST . | No | Yes | Yes | ||||
| Mode 9: Vehicle information(2) | See MODE 9: VEHICLE INFORMATION . | Yes | No | No | ||||
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