New Beetle L4-1.8L Turbo (AWP) (2003)
If the diagnostic is initiated from Engine Control Module the display in display zone 4 jumps from "Test OFF" to "Test ON."
Specification: "B1-S2 OK." appears in display zone 2.
NOTE: It can take a few minutes until display jumps from "Test ON" to "B1-S2 OK".
If the specification is obtained:
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Press -> button.
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Press buttons -0- and -6- for function "End output" and confirm entry with -Q- button.
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Switch off ignition.
Continuation
If the specification is not obtained:
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Press -> button.
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Press buttons -0- and -6- for function "End output" and confirm entry with -Q- button.
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Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, Checking and Erasing DTC Memory. See: Powertrain
Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic
Trouble Codes
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Perform a road test to remove possible contaminates on oxygen sensor and repeat check.
Observe the valid safety precautions when carrying out a road test
If the specifications are again not obtained:
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Replace Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) -G130-, item 8.
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Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, Checking and Erasing DTC Memory. See: Powertrain
Management/Computers and Control Systems/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: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
Evaluating display group 36, display zone 1 - oxygen sensor voltage oxygen sensor after Three Way Catalytic Converter (TWC)