volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Power Steering Pressure Switch > < Oxygen Sensor (O2S) Before Catalytic Converter|Page 2636
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Allow engine to continue to run at idle until specified value "B1-S2 OK" appears in display zone.

If the specifications are obtained:

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Press  -> key.

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Press keys 0 and 6 for function "End output" and confirm entry with Q key.

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Switch ignition off.

If the specifications are not attained:

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Road test vehicle to free oxygen sensor of possible residues and repeat test.

Observe the valid safety precautions when carrying out a road test See: Computers and Control Systems/Service Precautions/Technician Safety
Information 

If the specifications are again not attained:

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Check basic voltage. Refer to "Oxygen Sensor (O2S) Behind Catalytic Converter/Sensor and Sensor Control Check" See:  

Power Steering Pressure Switch > < Oxygen Sensor (O2S) Before Catalytic Converter|Page 2636