S6 Quattro Sedan V10-5.2L (BXA) (2007)
Checking internal resistance
-
Using a multimeter, check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) terminals 1 to 2 for resistance.
Specified value: 1.0 to 20.0 ohms (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.