Checklist For Changing Turbocharger & Engine Control Module: Checklist
- Describe the fault symptom________________________________________________________________________________
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- Connect Tech 2.
- Turn off A/C or ACC and let the engine idle. Coolant temperature should be over 80°C.NOTE: Diagnostic trouble codes must not be erased.
- Read and note any diagnostic trouble codes:
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- Select "Engine" - "Trionic" - "Read values/Activate" in Tech 2. Read and note the following values:CHECKLIST - BEFORE CHANGING TURBOCHARGER AND ENGINE CONTROL MODULE
Unit Turn Ignition On Idle Desired value Engine speed RPM ----- 800-850 Airmass/Combustion mg/c ----- Coolant temperature °C 85-100 Deviation from calculated air mass % ----- max. 10 Intake air temperature. °C 40-60 Atmosphere Absolute Pressure kPa 90-115 Charge Air Absolute Pressure kPa 95-110 Manifold Absolute Pressure kPa 25-60 Additive adaptation mg/c max. 0.6 Multiplicative adaptation % max. 6 Charge Air Adaptation % max. 10
CHECKLIST
| Number of knocks | Number of misfires | |
|---|---|---|
| No. 1 cylinder | ||
| No. 2 cylinder | ||
| No. 3 cylinder | ||
| No. 4 cylinder |
Under "system information" you will find information on chassis and version numbers for Trionic T7
INFORMATION - CHASSIS AND VERSION NUMBERS FOR TRIONIC T7
| Vehicle Identification Number | |
| Software version (obligatory) |
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 color of the injectors, remove the upper engine cover.
INFORMATION - INJECTORS AND ENGINE
| Engine serial no. | |
| Fuel injector, color |