Step Response Test

The Step Response Test may be used to determine the responsiveness of the steering system.

warning

The machine will steer automatically. Be sure the area around the vehicle is clear of people and obstacles before engaging the auto-steer system.

To disengage auto-steering at any time, toggle the roading switch, select the on-screen Stop button, or (as applicable) turn the steering wheel.

Note:  Some screens and options may differ based on how the machine is equipped.

  1. From the auto-steer home page Home page select the Diagnostic icon.

  2. Select the Tests tab along the top of the page.

  3. Select the Machine Test from the drop-down options on the Tests page.
  4. Select the Begin button.

  5. Drive forward at a speed between 1.6 - 6.4 km/h [1 - 4 mph] with the engine RPM set at approximately 3/4 throttle.

  6. Turn the steering wheel to the right so that the Actual reading displays 20.0°.
  7. Select the center Up arrow button. Wait for the wheels on the steering axle to reach the center position and for information to populate each field displayed on the page.
  8. Continue to drive forward at a speed between 1.6 - 6.4 km/h [1 - 4 mph] with the engine RPM set at approximately 3/4 throttle.
  9. Turn the steering wheel to the left so that the Actual reading displays -20.0°.
  10. Select the center Up arrow button. Wait for the wheels on the steering axle to reach the center position and for information to populate each field displayed on the page.
  11. To test consistency of the auto-steer system, repeat the procedure and check values against previous test results.

Note:  Once the Step Response Test has been completed, the machine performance reading should fall within the recommended system settings. Provide the collected data to a Raven Technical Service team to verify that machine performance falls within the recommended settings.

  1. From the auto-steer home page Home page select the Diagnostic icon.

  2. Select the Tests tab along the top of the page.

  3. Select the Machine Test from the drop-down options on the Tests page.
  4. Select the Begin button.

  5. Drive forward at a speed between 1.6 - 6.4 km/h [1 - 4 mph] with the engine RPM set at approximately 3/4 throttle.

  6. Select the center Up arrow button. Wait for the actuator to reach the center position.
  7. Select the Left arrow button. Wait for the actuator to reach the left position and for information to populate each field displayed on the page.
  8. Continue to drive forward at a speed between 1.6 - 6.4 km/h [1 - 4 mph] with the engine RPM set at approximately 3/4 throttle.
  9. Select the center Up arrow button. Wait for the actuator to reach the center position.
  10. Select the Right arrow button. Wait for the actuator to reach the right position and for information to populate each field displayed on the page.
  11. To test consistency of the auto-steer system, repeat the procedure and check values against previous test results.

Note:  Once the Step Response Test has been completed, the machine performance reading should fall within the recommended system settings. Provide the collected data to a Raven Technical Service team to verify that machine performance falls within the recommended settings.

Last Revised: Sep 2024