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Home >> Volkswagen >> 2013 >> Beetle R-Line, 2.0L Eng VIN T >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 2.0L - Generic Scan Tool - Engine Code: CPPA (Hatchback) [Transmission DTC Tables & Diagnostic Procedures] >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Three Way Catalytic Converter, TWC Checking >> Function Test
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Function Test

Step Procedure Result / Action to Take
1 Activate Monitors:
  • Perform the function test in Diagnostic Mode 06. Refer to appropriate Diagnostic Mode 06 - Read Test Results for Specific Diagnostic Functions, DIAGNOSTIC MODES 01 - 09 .
  • End diagnosis and switch the ignition off.
  • If the specified values are exceeded:
  • Check the exhaust system for leaks.
  • If necessary, repair the leak(s) in the exhaust system.
  • GO TO Step 2.
2 O2 Sensor Monitoring:
  • Generate readiness code. Refer to: READINESS CODE .
  • If no leaks are found in the exhaust system:
  • Replace the catalytic converter with front exhaust pipe. Refer to the appropriate repair information.
  • GO TO Step 3.
3
  • Final procedure:
  • Perform a road test to verify repair.
  1. Check the DTC memory. Refer to: DIAGNOSTIC MODE 03 - READ DTC MEMORY .
  2. If necessary, erase the DTC memory. Refer to: DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .
  3. If the DTC memory was erased, generate readiness code. Refer to: READINESS CODE .
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