Jetta Sedan L5-2.5L (BGP) (2005)
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) (middle of Three Way Catalytic Converter (TWC) Heater (G465).
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 Adapter Cable (121-pin) (VAG1598/31)24 Removal and Installation.
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, Replacing ] .
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Using a Multimeter, check the Oxygen Sensor (O2S) (middle of Three Way Catalytic Converter (TWC) Heater (G465) electrical harness
connector terminals to the Motronic Engine Control Module (ECM) (J220) electrical harness connector T121 terminals for resistance.
Specified value: 1.5 ohms Max.