GTI L4-2.0L Turbo (BPY) (2007)
Checking primary voltage
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Disconnect the brown Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 electrical harness connector -arrow-.
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Switch the ignition on.
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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
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Switch the ignition off.
If the specified value was obtained:
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Replace the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130.
If the specified value was not obtained:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
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Install the test box.
If the manufacturers test box is not being used. Perform the following step.
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Remove the Motronic Engine Control Module (ECM) J623.
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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 electrical harness connector T94 terminals for an open circuit according to the wiring