New Beetle Turbo S L4-1.8L Turbo (AWP) (2002)
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The respective fuses of Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- must be OK.
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Ignition switched off.
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Unscrew protective cover (arrows) and disconnect 4-pin harness connector (black) -1- to Oxygen Sensor (O2S) Behind Three Way Catalytic
Converter (TWC) -G130-.
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Set multimeter for resistance measurement and connect it to terminals 1 + 2 at connector for oxygen sensor. Check oxygen sensor heater for
continuity.
If an open circuit is found in the oxygen sensor heater:
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Replace Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-, item 10
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data. See: Powertrain Management/Computers
and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase
Diagnostic Data
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Generate readiness code. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles
and Readiness Codes
If oxygen sensor heater has continuity:
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Check voltage supply and wiring
Checking voltage supply and wiring