Steering Angle Sensor Learning Value reset

How to Access the Steering Angle Sensor Learning Value reset in the OBD Scanner

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Guide to Access the Steering Angle Sensor Learning Value reset in the OBD Scanner

The Steering Angle Sensor (SAS) Learning Value Reset is a crucial process for vehicle systems like Electronic Stability Control (ESC), Traction Control, and Anti-lock Braking Systems (ABS). It involves recalibrating the sensor to its default position using specialized diagnostic tools. Resets are typically needed after repairs, wheel alignment, dashboard error messages, battery disconnection, or sensor replacement. The sensor needs to accurately reflect the steering wheel’s position to ensure proper performance of stability and handling systems. Incorrect data can lead to incorrect responses in critical situations, increasing the risk of accidents. Ensured calibration is vital for safety and optimal performance of systems relying on accurate steering input.

Why need to reset

• The reset process involves recalibrating the steering angle sensor to its default position.
• This is usually done using specialized diagnostic tools that interface with the vehicle’s on-board computer.

When to use it:

• After repairs or alterations to steering components
• After wheel alignment
• If the vehicle’s dashboard displays error messages pertaining to the steering system
• After disconnecting the battery
• After replacing the sensor itself

Why it’s necessary:

• The steering angle sensor needs to accurately reflect the steering wheel’s position
• Incorrect sensor data can adversely affect the performance of the vehicle’s stability and handling systems
• This can lead to incorrect responses from the vehicle in critical situations, increasing the risk of an accident

Importance:

• Ensuring that the steering angle sensor is correctly calibrated is vital for the safety and proper functioning of the vehicle
• It helps maintain optimal performance of systems that rely on accurate steering input to provide stability and control, especially in slippery or abrupt maneuvering conditions
• Resetting the steering angle sensor value ensures that the vehicle continues to perform as expected, enhancing both safety and driving experience

Instruction to Access the Steering Angle Sensor Learning Value resetin the OBD Scanner

TheSteering Angle Sensor Learning Value resetcan be accessed by following this instruction.

  1. Open your OBD scanner.
  2. Select Local Diagnose if you are using Launch X431.
  3. Select Car Brand Select Model (auto-detect is better to detect the vehicle VIN).
  4. Select and check the following: Body Control Module (BCM) or Steering Angle Sensor (SAS)
  5. Select Special Function Then click Steering Angle Sensor Learning Value reset then follow the screen instruction.

The sample car model with this feature is the Toyota Vios 2023.