Procedures
Checklist for changing turbocharger and engine control moduleChecklist
1. Describe the fault symptom.
2. Connect Tech 2.
3. Turn off A/C or ACC and let the engine idle. Coolant temperature should be over 80 degrees C.
Note
Diagnostic trouble codes must not be erased.
4. Read and note any diagnostic trouble codes:
5. Select "Engine" - "Trionic" - "Read values/ Activate" in Tech 2. Read and note the following values:
Under "system information" you will find information on chassis and version numbers for Trionic T7
The plate with the engine number is placed on the cylinder block according to WIS - Engine - Base engine, petrol - Technical data - Engine number.
To see the color of the injectors, remove the upper engine cover.
