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 PERFORMANCETUNE-UPIGNITION SYSTEM - 2.8L V6 ATQIGNITION SYSTEMIGNITION SYSTEM, CHECKINGCHECKING WIRE CONNECTIONS BETWEEN CAMSHAFT POSITION (CMP) SENSOR AND ENGINE CONTROL MODULE (ECM)NOTES
2001 Audi A6 Avant Quattro
Checking wire connections between Camshaft Position (CMP) sensor and Engine Control Module (ECM): Notes
2001 Audi A6 Avant QuattroSECTION Notes
- Connect VAG1598/31 test box at wiring harness to ECM; do not connect ECM. See WIRE AND COMPONENT TEST USING VAG1598/31 TEST BOX .
- Check following wire connections for open circuit and short circuit to Ground (GND) and B+:
Camshaft Position (CMP) Sensor -G40- (Bank 1)
CMP SENSOR -G40- (BANK 1) CIRCUIT TEST: TERMINALS 1, 2, 3
| Harness connector Terminal | VAG1598/31 test box Socket |
|---|---|
| 1 (B+) | 98 |
| 2 (signal) | 86 |
| 3 (Ground -GND-) | 108 |
Camshaft Position (CMP) Sensor 2 -G163- (Bank 2)
CMP SENSOR -G163- (BANK 2) CIRCUIT TEST: TERMINALS 1, 2, 3
| Harness connector Terminal | VAG1598/31 test box Socket |
|---|---|
| 1 (B+) | 98 |
| 2 (signal) | 87 |
| 3 (Ground -GND-) | 108 |
- Repair open circuit or short circuit if necessary.
- If, after erasing DTC memory, a DTC relating to Camshaft Position (CMP) sensor (hall sensor) is indicated again, even though all previous tests were OK, following malfunction is possible:
- Shutter wheel for Camshaft Position (CMP) sensor is not aligned properly.
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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.