volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Operational Readiness Oxygen Sensor|Page 797 > < Operational Readiness Oxygen Sensor|Page 795
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Remove protective cover -arrows- and separate 4-pin connector (brown) -1- to oxygen sensor after catalyst (G130).

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Set multimeter to measure resistance and check sensor heating resistance at connector to oxygen sensor terminals 1 + 2. Check oxygen sensor
heating for continuity.

If an open circuit is detected in the oxygen sensor heating:

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Replace oxygen sensor after catalyst (G130).

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Check DTC memory, if necessary, repair any malfunctions and then erase DTC memory. Refer to "Displaying and Reading Trouble Codes/With
Manufacturers Scan Tool/DTC Memory Checking and Erasing" See: Powertrain Management/Computers and Control Systems/Testing and
Inspection 

If the oxygen sensor heating has continuity:

Operational Readiness Oxygen Sensor|Page 797 > < Operational Readiness Oxygen Sensor|Page 795