Touareg V8-4.2L (BAR) (2007)
-
Switch the ignition on.
-
Using a multimeter, check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) electrical harness connector
terminals 3 to 4 for voltage.
Specified value: 0.400 to 0.500 Volts
-
Switch the ignition off.
If the specified value was obtained:
-
Replace the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) or Oxygen Sensor (O2S) 2 Behind Three Way
Catalytic Converter (TWC) (G131).
If the specified value was not obtained:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
-
Install the test box.
If the manufacturers test box is not being used. Perform the following step.
-
Remove the Motronic Engine Control Module (ECM) (J623). Refer to --> [ Engine Control Module, Replacing ] See: Computers and Control
Systems/Testing and Inspection/Component Tests and General Diagnostics/Engine Control Module, Replacing.
-
Using a Multimeter, check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) electrical harness connector
terminals to the Motronic Engine Control Module (ECM) (J623) or Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC)