Test ID 01 - Catalytic Converter
Test Prerequisite
- Coolant temperature must be at least 80 C → Diagnostic Mode 01 - Read Current System Data ; PID 5, Coolant temperature.
Procedure
- Connect diagnostic tester → Diagnostic Tester, Connecting .
- Perform a 15 minute road test in the highest gear or in the highest driving mode on a level driving surface.
The following operating conditions must be met during this road test:
- Engine speed approx. 1800 to 2200 RPM → Diagnostic Mode 01 - Read Current System Data ; PID 12, engine rotations per minute (RPM)
- Vehicle speed constant 90 km/h → Diagnostic Mode 01 - Read Current System Data ; PID 13, Vehicle speed
Observe safety precautions that apply to road tests → Safety Precautions .
- Let engine run at idle.
- Under address word 33, select "Diagnostic mode 6: Check test results of components that are not continuously monitored".
- Select the "Test-ID 01: Catalytic converter" off.
- Check specified values at idle.
| Test-ID 01: | Catalytic converter | Specified value: | |||||||
|---|---|---|---|---|---|---|---|---|---|
| min. | max. | ||||||||
| Aging value Bank 1 Vehicles with manual transmission Vehicles with automatic transmission | Tester display | ||||||||
| Aging value Bank 2 Vehicles with manual transmission Vehicles with automatic transmission | Tester display | ||||||||
NOTE:
- Bank 1 = Cylinder bank 1, in direction of travel, right
- Bank 2 = Cylinder bank 2, in direction of travel, left
- End diagnosis and switch ignition off.
If specified values are exceeded:
- Replace respective exhaust pipe with catalytic converter → Exhaust System Components, Removing and Installing .