Passat Sedan V6-3.6L (BLV) (2008)
Specified value: 1.0 to 20.0 ohms (at approx. 20° C)
If the specification was not obtained:
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Replace the faulty HO2S Oxygen Sensor Bank 2 Sensor 2 (G131). Refer to the Repair Information.
If the specification was obtained:
Checking voltage supply
Start the engine.
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Using a multimeter, check the Oxygen Sensor Heater Bank 2 Sensor 2 (Z30)electrical harness connector terminal 1 to ground for voltage.
Specified value: 10.10 to 11.70 V
Switch the ignition off.
If the specification was not obtained:
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Check the wiring for high resistance, a short circuit to ground or an open circuit.
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If the specification was obtained:
Checking Ground 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) (J623). Refer to the Repair Information.
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Using a multimeter, check the Oxygen Sensor Heater Bank 2 Sensor 2 (Z30) electrical harness connector to the Engine Control Module (ECM)
(J623) electrical harness connector T94 for an open circuit.