volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Oxygen Sensor & O2S Control Before Three Way Catalytic Converter (TWC), Checking|Page 4924 > < Oxygen Sensor & O2S Control Before Three Way Catalytic Converter (TWC), Checking|Page 4922
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Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) - G130- 4-pin harness connector (green) (arrow).

Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- bank 2 4-pin harness connector (brown, arrow).

NOTE:

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Bank 1 = Cylinder bank 1, in direction of travel, right

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Bank 2 = Cylinder bank 2, in direction of travel, left

Vehicles with engine code AHA

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Measure resistance for sensor heater at connector to oxygen sensor terminal 1 + 2.
Specified value: 0.0 to 19.9 Ohms

Vehicles with engine code ATQ

Oxygen Sensor & O2S Control Before Three Way Catalytic Converter (TWC), Checking|Page 4924 > < Oxygen Sensor & O2S Control Before Three Way Catalytic Converter (TWC), Checking|Page 4922