RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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Power Steering Valve: Testing and Inspection
Servotronic Solenoid Valve, checking
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Remove driver side storage compartment.
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Remove Servotronic Control Module J236, item 2.
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Set digital multimeter V.A.G 1526 on Ohm measuring area to 200 Ohm.
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Measure control module connector between contacts 2 and 5.
Specification: 5 to 20 Ohm.
If specified value is not reached:
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Disconnect Servotronic Solenoid Valve connector (in left wheel housing).
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Check line between control module connector and Servotronic Solenoid Valve connector for short circuit and interruption Electrical Wiring
Diagrams, Troubleshooting and Component Locations.
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If electric line to wiring harness in left wheel housing is OK, remove steering gear.
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Vehicles with fused connector cable at Servotronic Solenoid Valve, replace solenoid valve.
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Vehicles with unfused connector cable at Servotronic Solenoid Valve, disconnect connector and check connector cable for short circuit and
interruption.
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If connector cable is OK, replace Servotronic Solenoid Valve.
