Power Steering Valve: Testing and Inspection

Servotronic Solenoid Valve, checking

- Remove driver side storage compartment.





- Remove Servotronic Control Module J236, item 2.
- Set digital multimeter V.A.G 1526 on Ohm measuring area to 200 Ohm.
- Measure control module connector between contacts 2 and 5.

Specification: 5 to 20 Ohm.

If specified value is not reached:

- Disconnect Servotronic Solenoid Valve connector (in left wheel housing).
- Check line between control module connector and Servotronic Solenoid Valve connector for short circuit and interruption Electrical Wiring Diagrams, Troubleshooting and Component Locations.
- If electric line to wiring harness in left wheel housing is OK, remove steering gear.
- Vehicles with fused connector cable at Servotronic Solenoid Valve, replace solenoid valve.
- Vehicles with unfused connector cable at Servotronic Solenoid Valve, disconnect connector and check connector cable for short circuit and interruption.
- If connector cable is OK, replace Servotronic Solenoid Valve.