Operation CHARM: Car repair manuals for everyone.

Catalytic Converter, Checking



Three Way Catalytic Converter (TWC), Checking

Function test
- 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. Diagnostic Mode 6: Check Test Of Parts Not Constantly Monitored
- End diagnosis and switch ignition off.

If the specified values are exceeded:
- Replace the respective exhaust pipe with catalytic converter:
- Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. Diagnostic Mode 4: Reset/Erase Diagnostic Data
- Generate readiness code. Monitors, Trips, Drive Cycles and Readiness Codes