Mercedes Positioning Motors Normalization
Supported coding features by StarCOM diagnostic tool https://www.obdtester.com/starcom
Positioning Motors Normalization
What it does
- Normalizes positioning motors to their reference (home) positions
- Synchronizes actuator positions with the control unit
- Restores correct motor coordination after power loss or service work
Systems typically involved
- HVAC air flap motors
- Intake or exhaust flap actuators
- Headlamp leveling motors
- Other electric positioning motors
When it is required
- After battery disconnection
- After control unit reset or software update
- After actuator or motor replacement
- When motor positions are out of sync
Conditions that must be met
- Ignition ON
- Stable battery voltage
- No mechanical obstruction
- Diagnostic tool connected
What happens during normalization
- Motors move to defined reference positions
- Control unit verifies position feedback
- Zero or base positions are stored
- Synchronization is completed
If normalization is not performed
- Incorrect actuator positioning
- Reduced system functionality
- Fault codes or warning messages
- Noisy or erratic motor operation
After normalization
- Test actuator movement across full range
- Confirm smooth and quiet operation
- Clear any related fault codes