GLI L4-2.0L Turbo (BPY) (2008)
Specified value: Battery voltage.
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Switch the ignition off.
If the specification was not obtained:
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Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) electrical harness connector terminal 1 to the Engine
Component Power Supply Relay (J757) socket 2/87 for an open circuit or short circuit to each other, Battery (+), and Ground (GND).
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Check the electrical harness connector for damage, corrosion, lose or broken terminals.
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If necessary, repair the faulty wiring connection.
If the specification was obtained:
Checking Ground (GND) activation
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) (J220). Refer to --> [ Engine Control Module ] .
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Using a multimeter, check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) electrical harness connector terminal
2 to the Motronic Engine Control Module (ECM) (J220) electrical harness connector T94 terminal 7 for an open circuit.