Diagnostic procedure: Checklist
WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
- Describe the fault symptom.
- Connect Tech 2.
- Turn off A/C or ACC and let the engine idle. Coolant temperature should be over 80 °C.NOTE: Do not erase diagnostic trouble codes.
- Read and note any diagnostic trouble codes:
- Choose "Engine" - "Trionic" - "Read value / Activate" in Tech 2. Read and note the following values:
ENGINE - TRIONIC - READ VALUES
| Unit | Ignition ON | Idling speed | Desired value | |
|---|---|---|---|---|
| Engine RPM | RPM | ------------- | 800-850 | |
| Airmass / Combustion | mg/c | ------------- | ||
| Coolant Temperature | °C | 85--100 | ||
| Variation from measured air mass | % | ------------- | max. 10 | |
| Intake air temperature | °C | 4-0-60 | ||
| 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 |
ENGINE - TRIONIC - READ VALUES
| Number of knockings | Number of misfires | |
|---|---|---|
| Cylinder 1 | ||
| Cylinder 2 | ||
| Cylinder 3 | ||
| Cylinder 4 |
Under ""SYSTEM INFORMATION" " you will find information on chassis and version numbers for Trionic T7
ENGINE - TRIONIC - SYSTEM INFORMATION
| Vehicle Identification Number | |
| Software Version Number (obligatory) |
The plate with the engine number is placed on the cylinder block as specified in ENGINE CODE LOCATION
To see the color of the injectors, remove the upper engine cover.
ENGINE - TRIONIC - SYSTEM INFORMATION
| Engine serial No. | |
| Fuel injector, color |