Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSAUDI2001A6 AVANT QUATTROREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMON BOARD DIAGNOSTIC (OBD) - 2.8L V6 ATQ
2001 Audi A6 Avant Quattro
On Board Diagnostic (OBD) - 2.8L V6 ATQ
2001 Audi A6 Avant QuattroSECTION On Board Diagnostic (OBD) - 2.8L V6 ATQ
- On Board Diagnostic (OBD)
- Motronic, On Board Diagnostic (OBD)
- Check DTC Memory (function 02) and Erase DTC Memory (function 05)
- Output Diagnostic Test Mode (DTM) (function 03)
- Notes
- Test requirement
- Test sequence
- Activating the EVAP canister purge regulator valve (tank vent valve)
- Activating the Secondary Air Injection (AIR) solenoid valve
- Activating the Secondary Air Injection (AIR) pump relay
- Activating intake manifold change-over valve
- Activating camshaft adjustment valves
- Activating Leak Detection Pump (diagnostic pump for tank ventilation system)
- Activating fuel injectors
- Basic Setting (function 04)
- Code Control Module (function 07)
- Read Measuring Value Block (function 08)
- Readiness code
- Notes
- Readiness code, checking
- Readiness code, generating
- Special Tools and Equipment
- Requirements
- Work step 1: Check DTC Memory
- Work step 2: Erase DTC Memory
- Work step 3: Adapt throttle valve control module to Engine Control Module (ECM)
- Work step 4: Kick down function, adapting
- Work step 5: Check operating condition of oxygen sensor control
- Work step 6: Diagnostic of oxygen sensor aging before catalytic converter
- Work step 7: Diagnostic of operational readiness of oxygen sensors behind catalytic converter
- Work step 8: Diagnostic of oxygen sensor control system
- Work step 9: Diagnostic of oxygen sensor aging behind catalytic converter
- Work step 10: Diagnostic of catalytic converter
- Work step 11: Diagnostic of tank ventilation valve
- Work step 12: Diagnostic of tank seal
- Work step 13: Diagnostic of Secondary Air Injection (AIR) system
- Work step 14: Readiness code, reading
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.