New Beetle GLS L4-2.0L (AVH) (2001)
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Check wiring for open circuit between test box and 6-pin connector according to wiring diagram.
Terminal 4 + socket 5
Wire resistance: Max. 1.5 Ohms
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Additionally check wiring for short to battery positive or Ground.
If there is no malfunction in the wiring:
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Replace Engine Control (ECM).
With Generic Scan Tool
Oxygen Sensor Heater For Oxygen Sensor Behind Three Way Catalytic Converter (TWC), Checking
NOTE:
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Vehicle must be raised before connector for oxygen sensor is accessible.
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When servicing terminals 3 and 4 in harness connector of Heated Oxygen Sensor (HO2S), use only gold-plated terminals.
Recommended special tools and equipment
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VAG 1526 multimeter or VAG 1715 multimeter
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VAG 1594 connector test kit
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Wiring diagram
Test requirements
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The respective fuses of Heated Oxygen Sensor (HO2S) -G130- must be OK.
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Ignition switched off.
Test sequence