Test conditions
- Coolant temperature must be at least 80 ° C, display group 04, display zone 3.
- All electrical consumers, e.g. lights and rear window heating must be switched off
- If the vehicle is equipped with an air conditioner, this must be switched off.
- On vehicles with automatic transmission selector lever in "P" or "N" position
- No DTCs must be stored in DTC memory → DTC memory (functions 02 and 05), checking and erasing , checking DTC memory