New Beetle GLS L4-1.8L Turbo (AWV) (2001)
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Remove protective cover -arrows- and separate 6-pin connector (black) -1- to Heated Oxygen Sensor (HO2S) before Three Way Catalytic
Converter (TWC) -G39-.
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Check wiring for open circuit between test box and 6-pin connector (to control module) according to Electrical Wiring Diagram.
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terminal 1 + socket 70
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terminal 2 + socket 71
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terminal 5 + socket 51
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terminal 6 + socket 52
Wire resistance: Max. 1.5 Ohms
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Additionally check wires all for short to one another.
Specification: Infinity Ohms
If no wiring malfunction is found:
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Replace Heated Oxygen Sensor (HO2S) before Three Way Catalytic Converter (TWC) -G39-, item 10.
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Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, Checking and Erasing DTC Memory. See: Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
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Read readiness code. If DTC memory has been erased or Motronic Engine Control Module (ECM) -J220- was disconnected from battery positive,
readiness code must be generated again.
See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
With Generic Scan Tool
Check Oxygen Sensor And Oxygen Sensor Regulation Before Catalytic Converter
NOTE:
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Vehicle must be raised before connector for oxygen sensor is accessible.