Workshop Hints: Notes
Diagnosis of the DSC III 5.7 is carried out using the DISplus or MoDiC. The diagnosis program utilizes the symptom driven diagnostics taken from the E53.
The all-wheel drive models of the E46 series do not have their own model identification and all-wheel drive specific equipment (i.e. DSC III 5.7) is not detected automatically. All-wheel drive identification is performed by manually selecting it from a pop-up dialog box when a document or test module is called up which has a variation for all-wheel drive.
Diagnosis: Faults with the DSC III 5.7 system can be diagnosed using symptom driven test modules. To begin diagnosis:
- Perform the Quick Test.
- Page right.
- Press the Function Selection Button.
- Select Complete Vehicle.
- Select Chassis.
- Select "Yes" for All-Wheel.
- Select Dynamic Stability Control.
- Press the Test Schedule Button.
Diagnosis can occur using Fault Symptoms or Expert Mode troubleshooting.
Service Functions: Provides access to specialized functions used in post repair procedures. To enter:
- Select Service Functions while in Diagnosis Program.
The Contents are:
- Test Code: Used to print control unit fault information needed for component analysis.
- Adjust Steering-Angle Sensor:
Used to adjust off-set for steering angle sensor when repairs or adjustments to steering have been made.
- Adjust Transversal Acceleration Sensor/Adjust Rotation Rate Sensor: Used to adjust offset for each sensor.
- Bleeding,ABS/DSCHydraulics/Precharging-pump circuit:
Used in purging air after repairs and for brake fluid flushes.
- ABS/DSC Final Test: Used to verify the proper brake pipe connections to the hydraulic unit and wheel speed sensor connections.