Eos (1F7) L4-2.0L Turbo (BPY) (2007)
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Using a multimeter, check the Heated Oxygen Sensor (HO2S) (G39) electrical harness connector - 1 - terminals 1 to 5 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 Heated Oxygen Sensor (HO2S) (G39).
If the specified value is obtained:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
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Install the Test Box 105 Pin (VAG1598/42).
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). Refer to => [ Engine Control Module J623, Removing and Installing ] See: Engine
Control Module/Service and Repair/Engine Control Module J623, Removing and Installing.
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Using a Multimeter, check the Heated Oxygen Sensor (HO2S) (G39) electrical harness connector terminals to the Motronic Engine Control
Module (ECM) ( J623) electrical harness connector T94 terminals for an open circuit.