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.
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HOMESERVICE MANUALSAUDI2001A6 AVANT QUATTROREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMEXHAUST SYSTEM, EMISSION CONTROL, GENERIC SCAN TOOL - 2.8L V6 AHA, ATQEXHAUST SYSTEM,EMISSION CONTROLSECONDARY AIR INJECTION (AIR) SYSTEMSECONDARY AIR INJECTION (AIR) VALVE, CHECKINGTEST SEQUENCENOTES
2001 Audi A6 Avant Quattro
Test sequence: Notes
2001 Audi A6 Avant QuattroSECTION Notes
- Disconnect 2-pin connector -1- from Secondary Air Injection (AIR) Solenoid Valve -N112- (-2-).
- Measure resistance between terminals of solenoid valve.
Specified value: 25.0 to 35.0 ohm
If specified value is not obtained:
- Replace Secondary Air Injection (AIR) Solenoid Valve -N112-. See CONNECTING PIPE AND COMBINATION VALVES - ASSEMBLY OVERVIEW , item 6.
- Erase DTC memory of Engine Control Module (ECM). See DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .
- Generate readiness code. See READINESS CODE, GENERATING .
If specified value is obtained:
- Connect test box to control module wiring harness. See TEST BOX, CONNECTING FOR WIRING TEST .
RENDER: 1.0x
NO RELATED
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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.