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Passat Sedan V6-3.6L (BLV) (2008)

Powertrain Management > Computers and Control Systems > Sensors and Switches - Computers and Control Systems > Oxygen Sensor > Component Information > Testing and Inspection > HO2S Front Oxygen Sensor Bank 1 Sensor 1, Checking > Page 3326

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‹› Ignition switched off.

Test procedure

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Observe safety precautions. Refer to => [ Safety Precautions ] See: Service Precautions/Safety Precautions

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Observe Clean Working Conditions. Refer to => [ Clean Working Conditions ] See: Service Precautions/Clean Working Conditions

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Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Testing and Inspection/Scan Tool Testing
and Procedures/Preliminary Check.

Start diagnosis

Checking internal resistance

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Disconnect the HO2S Oxygen Sensor Bank 1 Sensor 2 (G130) electrical harness connector - 1 -.

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Using a multimeter, check the Oxygen Sensor Heater Bank 1 Sensor 2 (Z29) terminals 1 to 2 for resistance.

Specified value: 1.0 to 20.0 ohms (at approx. 20° C)

If the specification was not obtained:

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Replace the faulty HO2S Oxygen Sensor Bank 1 Sensor 2 (G130). Refer to the Repair Information.

If the specification was obtained:

Checking voltage supply

Powertrain Management > Computers and Control Systems > Sensors and Switches - Computers and Control Systems > Oxygen Sensor > Component Information > Testing and Inspection > HO2S Front Oxygen Sensor Bank 1 Sensor 1, Checking > Page 3326

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