volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Oxygen Sensor & O2S Control Before Three Way Catalytic Converter (TWC), Checking|Page 3639 > < Oxygen Sensor & O2S Control Before Three Way Catalytic Converter (TWC), Checking|Page 3637
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Continuation for all vehicles

NOTE:

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Cylinder bank 1 = in driving direction, right

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Cylinder bank 2 = in driving direction, left

If specified values are obtained:

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End diagnosis and switch ignition off.

If specified values are not obtained:

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End diagnosis and let engine continue to run at idle.

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Check primary voltage.

Checking primary voltage

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Disconnect 4-pin harness connector to the respective oxygen sensor:

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Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- 4-pin harness connector (green, arrow).

Oxygen Sensor & O2S Control Before Three Way Catalytic Converter (TWC), Checking|Page 3639 > < Oxygen Sensor & O2S Control Before Three Way Catalytic Converter (TWC), Checking|Page 3637