Work step 13: Diagnosis of Secondary Air Injection (AIR) system (only on vehicles with automatic transmission), on vehicles with manual transmission continue with work step 14 (see )
WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2005 Audi allroad, 2004 Audi allroad, 2004 Audi A6, 2003 Audi allroad, and 2003 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The secondary air pump runs for a few seconds during the secondary air injection system diagnosis.
- Engine at idle sped
Indicated on display
- Press buttons -0-, -7- and -7- to select "display group 077" and confirm input with -Q- button.
Indicated on display
- Check specified value in display field 4.
NOTE:
The test duration for the secondary air injection system takes approximately 60 seconds.
DISPLAY GROUP 077: DIAGNOSTIC OF SECONDARY AIR INJECTION SYSTEM (BANK 1)
| Display fields | ||||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| Display group 077: Diagnostic of secondary air injection system (Bank 1) | ||||
| Display | xxxx/RPM | xx.x g/s | xx % | Test ON |
| Indicated | Engine speed (RPM) | Air mass | Relative air mass secondary air injection system | Diagnostic condition |
| Work range | 0 - 6800 RPM | Test OFF Test ON Syst. OK Syst. not OK Abort |
||
| Value | 650 - 750 RPM | +10 % to -100 % | Syst. OK | |
| Note | If "Syst. not OK": Check DTC memory. See DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING . | |||
If the specified value of "Syst. OK" is reached:
- Press -C- button.
- Press buttons -0-, -7- and -8- to select "display group 078" and confirm input with -Q- button.
DISPLAY GROUP 078: DIAGNOSTIC OF SECONDARY AIR INJECTION SYSTEM (BANK 2)
| Display fields | ||||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| Display group 078: Diagnostic of secondary air injection system (Bank 2) | ||||
| Display | xxxx/RPM | xx.x g/s | xx % | Test ON |
| Indicated | Engine speed (RPM) | Air mass | Relative air mass secondary air injection system | Diagnostic condition |
| Work range | 0 - 6800 RPM | Test OFF Test ON Syst. OK Syst. not OK Abort |
||
| Value | 650 - 750 RPM | +10 % to -100 % | Syst. OK | |
| Note | If "Syst. not OK": Check DTC memory. See DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING . | |||
If the specified value of "Syst. OK" is reached:
- Press right arrow button.