Volkswagen Workshop Manuals
Passat Sedan V6-3.6L (BLV) (2008)
Sensors and Switches > Sensors and Switches - Powertrain Management > Sensors and Switches - Computers and Control Systems > Oxygen Sensor > Component Information > Testing and Inspection > HO2S Front Oxygen Sensor Bank 1 Sensor 1, Checking > Page 937
Oxygen Sensor: Testing and Inspection
HO2S Rear Oxygen Sensor Bank 1 Sensor 2, Checking
‹› Vehicle must be raised before the electrical connector of the HO2S Oxygen Sensor Bank 1 Sensor 2 (G130) is accessible.
‹› When servicing terminals 3 and 4 in the electrical harness connector of the HO2S Oxygen Sensor Bank 1 Sensor 2 (G130), use only gold-plated
Special tools, testers and auxiliary items required
‹› Wiring diagram.
‹› The HO2S Oxygen Sensor Bank 1 Sensor 2 (G130) fuse OK.
‹› Oxygen Sensor Heater Bank 1 Sensor 2 (Z29) OK.
‹› Battery voltage at least 12.5 volts.
‹› All electrical consumers such as, lights and rear window defroster, switched off.
‹› Vehicles with automatic transmission, selector lever in position " P" or "N".
‹› A/C switched off.
‹› Ground connections between engine/transmission/chassis OK.
‹› Exhaust system between catalytic converter and cylinder head properly sealed.
‹› Coolant Temperature at least 80° C.
Observe safety precautions. Refer to => [ Safety Precautions ] See: Powertrain Management/Computers and Control Systems/Service
Observe Clean Working Conditions. Refer to => [ Clean Working Conditions ] See: Powertrain Management/Computers and Control
Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Powertrain Management/Computers and
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