Solenoid valve for camshaft adjustment, checking: Notes

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.

Fig 1: Identifying Special Tools - Solenoid Valve For Camshaft Adjustment, Checking

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Special tools and equipment

VAG 1526 A Multimeter
VAG 1527 B Voltage tester
VAG 1594 A Connector test kit
VAG 1598/31 Test box

VAS 5051 Vehicle diagnosis, testing and information system with VAS 5051/1 Adapter

Requirement

VAS5051 tester connected and vehicle On Board Diagnostic (OBD) -01 Engine electronics- selected.

Valves for camshaft adjustment (intake), activating

Initiate output Diagnostic Test Mode (DTM) and activate valve for camshaft adjustment bank 1:

Fig 2: Display On VAS 5051 - (4th Control Element In Test & Charge Pressure Control Valve -N75)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS5051:

A - Actuator test is waiting Advancing by switching required

5 - Bank 1, camshaft adjustment. Refer to -N205-

Click on Δ button

Display on VAS5051:

A - Actuator test is running Advancing by switching allowed

This valve is activated for approx. 1 minute (clicks), unless Δ button is pressed first to switch to the next actuator.

Click on Δ button

Fig 3: Display On VAS 5051 - (Actuator In Test & Leak Detection Pump Tank Ventilation System)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS5051:

A - Actuator test is waiting Advancing by switching required

6 - Bank 2, camshaft adjustment. Refer to -N208-

Click on Δ button

Display on VAS5051:

A - Actuator test is running Advancing by switching allowed

This valve is activated for approx. 1 minute (clicks), unless Δ button is pressed first to switch to the next actuator.

End function "03 - output Diagnostic Test Mode (DTM)" by pressing ← button.

If one of the valves is not being activated (does not click).

Switch ignition off.
Perform an electrical test for valves for camshaft adjustment. Refer to Electrical test of solenoid valve for camshaft adjustment .

Valves for camshaft adjustment (exhaust), activating

Initiate output Diagnostic Test Mode (DTM) and activate valve for camshaft adjustment (exhaust) bank 1:

Fig 4: Display On VAS 5051 - (7th Control Element In Test & Recirculating Valve For Turbocharger -N249-)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS5051:

A - Actuator test is waiting Advancing by switching required

7 - Bank 1, valve for camshaft adjustment (exhaust)

Click on Δ button

Display on VAS5051:

A - Actuator test is running Advancing by switching allowed

This valve is activated for approx. 1 minute (clicks), unless Δ button is pressed first to switch to the next actuator.

Click on Δ button

Fig 5: Display On VAS 5051 - (Activation Of Brake System Vacuum Pump)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS5051:

A - Actuator test is waiting Advancing by switching required

8 - Bank 2, valve for camshaft adjustment (exhaust)

Click on Δ button

Display on VAS5051:

A - Actuator test is running Advancing by switching allowed

This valve is activated for approx. 1 minute (clicks), unless Δ button is pressed first to switch to the next actuator.

End function "03 - output Diagnostic Test Mode (DTM)" by pressing ← button.

If one of the valves is not being activated (does not click).

Switch ignition off.
Perform an electrical test for valves for camshaft adjustment. Refer to Electrical test of solenoid valve for camshaft adjustment .