Rabbit L5-2.5L (BGP) (2006)
Oxygen Sensor: Testing and Inspection
Oxygen Sensor (O2S) 1 (Behind Three Way Catalytic Converter (TWC)) Heater G130 , Checking
Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater G130 , Checking
Special tools, testers and auxiliary items required
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Multimeter
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wiring diagrams
NOTE:
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All manufacturers special tools as well as common tools may contain a manufacturer specific part number. These tools may be substituted with an
equivalent aftermarket tool, or are available for purchase from the manufacturer.
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Manufacturers special tools as well as common tools that contain a manufacturer specific part number may be referenced in the test procedure
illustrations, showing the tool use or installation. If the manufacturer specific tool is not being used, an equivalent aftermarket tool may be installed
in the same manner as the manufacturers special tool.
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The manufacturers test box Adapter Cable (121-point) VAG1598/31 is available for purchase or rental. Refer to the Tool catalog .
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When servicing terminals in harness connector of Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130, use only
gold-plated terminals.
Test requirements
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Fuse for Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 OK.
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Battery voltage at least 12.5 volts.
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All electrical consumers such as, lights and rear window defroster, switched off.
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Vehicles with automatic transmission, shift selector lever into position "P" or "N".
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A/C switched off.
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Ground (GND) connections between engine/transmission/chassis OK.
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Ignition switched off.
Test sequence
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Remove the vehicle floor cover - arrows -.
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Disconnect the 4-pin electrical harness connector - 1 - from the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 .
Checking internal resistance
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Check the electrical harness connector for damage, corrosion, lose or broken terminals.