Golf L4-2.0L (AZG) (2004)
Catalytic Converter: Testing and Inspection
With Generic Scan Tool
Three Way Catalytic Converter (TWC), Checking
Function test
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Select the measuring value "Test-ID 01:
Catalytic converter" and check whether the specified values are being reached, Diagnostic mode 6: Check test results of components that are not
continuously monitored. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/With Generic Scan
Tool/Diagnostic Mode 6: Check Test Of Parts Not Constantly Monitored
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End diagnosis and switch ignition off.
If the specified values are exceeded:
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Replace the front exhaust pipe with catalytic converter:
Continuation for all vehicles
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data. See: 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: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes