Camshaft Adjustment Valve 1 N205 , checking
WARNING: This page is about a different variant/trim than selected.
Special tools, testers and auxiliary items required
- Multimeter V.A.G 1526 or equivalent.
- Test Box 105 Pin VAG1598/42.
- Adapter Lead Vag1598/39 VAG1598/39.
- Adapter cable V.A.G 1598/39-1.
Test requirements
- Fuse for Camshaft Adjustment Valve 1 N205 OK.
- Motronic Engine Control Module (ECM) Power Supply Relay J271 OK.
- Battery voltage at least 12.5 volts.
- All electrical consumers such as, lights and rear window defroster, switched off.
- Vehicles with automatic transmission, shift selector lever into position "P" or "N".
- A/C switched off.
- Ground (GND) connections between engine/transmission/chassis OK.
- Ignition switched off.
Test sequence
- Remove engine cover - arrows -.
- Disconnect the electrical harness connector - 1 - from Camshaft Adjustment Valve 1 N205.
- Using the Multimeter V.A.G 1526 A or equivalent, check the Camshaft Adjustment Valve 1 N205 for resistance.
Specified value: 5.0 to 8.0 Ω (at approx. 20°C)
If the specification is not obtained:
- Replace Camshaft Adjustment Valve 1 N205 → 15 - ENGINE - CYLINDER HEAD, VALVETRAIN .
If the specification is obtained:
- Connect the test box 1598/42 to the wiring harness of the Engine Control Module (ECM) J623. → 24 - MULTIPORT FUEL INJECTION (MFI) . The ECM is not connected.
- Using the Test Box 105 Pin VAG1598/42 and Multimeter V.A.G 1526 A or equivalent, check the following wiring connection for an open circuit.
| Terminal | Test box socket |
|---|---|
| 2 | 20 |
Specified resistance 1.5 Ω max.
If the specification is not obtained:
- Check the wiring for a short circuit to Battery positive (+) or an open circuit.
- If necessary, repair the wiring connection.
If no malfunctions are found in the wiring:
- Replace the Engine Control Module (ECM) J623 → Engine Control Module (ECM) J623 , replacing .
Assembly is performed in the reverse order of removal, note the following:
Final procedures
After repair work, the following work steps must be performed in the mentioned sequence:
- Check the DTC memory..
- If necessary, erase the DTC memory..
- If the DTC memory was erased, generate readiness code..
- End diagnosis and switch ignition off.