TT Roadster L4-2.0L Turbo (BWA) (2009)
Catalytic Converter: Testing and Inspection
Three Way Catalytic Converter (TWC), checking
Function test
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Perform the function test in Diagnostic Mode 06. Refer to => [ Diagnostic Mode 06 - Read Test Results for Specific Diagnostic Functions ] See:
Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 -
09/Diagnostic Mode 06 - Read Test Results for Specific Diagnostic Functions.
If the specified values are exceeded:
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Replace the catalytic converter with front exhaust pipe.
Final procedures
After the repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. Refer to => [ Diagnostic Mode 03 - Read DTC Memory ] See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09/Diagnostic Mode 03 - Read DTC Memory.
2. If necessary, erase the DTC memory. Refer to => [ Diagnostic Mode 04 - Erase DTC Memory ] See: Powertrain Management/Computers and
Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09/Diagnostic Mode 04 - Erase DTC Memory.
3. If the DTC memory was erased, generate readiness code. Refer to => [ Readiness Code ] See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes.
End of diagnosis.