volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Control Before Catalytic Converter, Checking|Page 5077 > < Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Control Before Catalytic Converter, Checking|Page 5075
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1 to 2 for resistance.

Specified value: 0.0 to 30.0 ohms max. (at approx. 20° C)

If the specification was not obtained:

-

Replace the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130)

If the specification was obtained:

Checking voltage supply

-

Crank the engine

-

Using a multimeter, check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) electrical harness connector terminal
1 to Ground (GND) for voltage. 

Specified value: Battery voltage.

-

Switch the ignition off.

If the specification was not obtained:

-

Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) electrical harness connector terminal 1 to the Fuel Pump

Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Control Before Catalytic Converter, Checking|Page 5077 > < Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Control Before Catalytic Converter, Checking|Page 5075