Step 12: Diagnosis of secondary air system: Condition
WARNING: This page is about a different car, the 2003 Audi RS 6. However, it is still accessible from the selected car via links, so may be relevant.
- Accelerator and brake pedals depressed simultaneously (engine will run at 2550 RPM)
- Check display in zone -4-.
DISPLAY GROUP 077: DIAGNOSIS OF SECONDARY AIR SYSTEM (BANK 1)
| Display zones | ||||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| Display group 077: Diagnosis of secondary air system (bank 1) | ||||
| Display | xxxx rpm | xx.x g/s | xx.x % | Test ON |
| Significance | Engine speed | Intake air mass | Percentage deviation from specification | Diagnosis status |
| Operating range | min.: 550 rpm max.: 6700 rpm |
Test OFF Test ON Syst. OK Syst. n.OK Termination |
||
| Specification | 2400...2600 rpm | Greater than 16 g/s | -30 %...30 % | Syst. OK |
| Note | If "Syst. not OK" is displayed: Interrogate fault memory, see FAULT MEMORY, INTERROGATING AND ERASING If "Termination" is displayed, switch off ignition and start again (display group 77) |
|||
If specification "Syst. OK" is obtained in display zone 4:
- Touch > key.
Indicated on VAS 5051:
Fig 1: Function Display VAS 5051 - Generating Readiness Code, Diagnosis Of Secondary Air System (3 Of 4)
- - Enter display group
- Use keypad -2- to enter "078" for "Display group number 078" and confirm by touching Q key.
Indicated on VAS 5051:
Fig 2: Function Display VAS 5051 - Generating Readiness Code, Diagnosis Of Secondary Air System (4 Of 4)
- Activate basic setting by touching key -A-.
- Accelerator and brake pedals depressed simultaneously (engine will run at 2550 RPM)
- Check display in zone -4-.
DISPLAY GROUP 078: DIAGNOSIS OF SECONDARY AIR SYSTEM (BANK 2)
| Display zones | ||||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| Display group 078: Diagnosis of secondary air system (bank 2) | ||||
| Display | xxxx rpm | xx.x g/s | xx.x % | Test ON |
| Significance | Engine speed | Intake air mass | Percentage deviation from specification | Diagnosis status |
| Operating range | min.: 550 rpm max.: 6700 rpm |
Test OFF Test ON Syst. OK Syst. n.OK Termination |
||
| Specification | 2400...2600 rpm | Greater than 16 g/s | -30 %...30 % | Syst. OK |
| Note | If "Syst. not OK" is displayed: Interrogate fault memory, see FAULT MEMORY, INTERROGATING AND ERASING If "Termination" is displayed, switch off ignition and start again (display group 78) |
|||
If specification "Syst. OK" is obtained in display zone 4:
- Release accelerator and brake pedals.
- Touch > key, proceed with next step.