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 MANUALSAUDI2009A6 BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 13 (3.0L - ENGINE CONTROLS - FUEL INJECTION & IGNITION, ENGINE CODE(S): AVK, BGN)28 IGNITION/GLOW PLUG SYSTEMIGNITION SYSTEM, CHECKINGCAMSHAFT POSITION (CMP) SENSOR, CHECKINGCHECK PHASE POSITION OF CMP SENSOR
2009 Audi A6 Base
Check phase position of CMP sensor
2009 Audi A6 BaseSECTION Check phase position of CMP sensor
WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
- Connect testing and information system VAS5051. Refer to Vehicle diagnostic, testing and information system VAS5051, connecting and select functions and select vehicle system "01 - Engine electronics" in selection. Engine must be running at idling speed.
Display on VAS5051:
- Under -1- select diagnostic function "08 - Read measured value block".
Display on VAS5051:
1 - Enter display group
- Enter "093" for "display group number 093" in zone -2- and confirm entry by pressing -Q- button.
Display on VAS5051:
- Check indication in display fields -1- to -4-.
| Display zones | ||||
| 1 | 2 | 3 | 4 | |
| Display group 093: Phase locations of CMP sensors (bank 1 and bank 2), engine idling | ||||
| Display | ° CA | ° CA | ° CA | ° CA |
| Display | Phase location, intake bank 1 | Phase location, intake bank 2 | Phase location, exhaust bank 1 | Phase location, exhaust bank 2 |
| Specif. value | -20...32°CA | -20...32°CA | -20...32°CA | -20...32°CA |
| Note: | If the specified values are exceeded significantly in the two CMP sensors of one cylinder bank, the connectors for the CMP sensors of that cylinder bank are interchanged. If the specified values for one CMP sensor are exceeded, check CMP sensor and camshaft adjustment. . Refer to 15 ENGINE - CYLINDER HEAD, VALVETRAIN |
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- Exit function "08 - Read measured value block" by pressing ← button.
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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.