Passat Sedan 4Motion W8-4.0L (BDP) (2002)
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Also check wires for short circuit to B+ and Ground (GND).
Specified value: Infinity Ohms
If no malfunctions are found in wires:
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Replace the respective oxygen sensor:
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Bank 1 Heated Oxygen Sensor (HO2S) -G39-, item 3
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Bank 2 Heated Oxygen Sensor (HO2S) 2 -G108-, item 9
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code. Refer to "Monitors, Trips and/or Drive Cycle/Readiness Code, Generating". See: Testing and Inspection/Monitors,
Trips, Drive Cycles and Readiness Codes
Oxygen Sensors and O2 Sensor Regulation After (TWC), checking
Oxygen sensors and oxygen sensor regulation behind catalytic converter, checking
NOTE: When servicing terminals 3 and 4 in harness connector of oxygen sensors, use only goldplated terminals.
Recommended special tools and equipment
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VAG1526 multimeter or VAG1715 multimeter
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VAG1594 connector test kit
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Wiring diagram
Test requirements
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The respective fuses of Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) 2 Behind Three
Way Catalytic Converter (TWC) -G131- must be OK.