Case IH A-G-700 - Display – Display: Calibrate Wheel Angle Sensor

Wheel Angle Sensor (WAS) calibration is incomplete, missing, or has failed, which disables the tractor's Autoguidance / Auto-Guide system.

• MAGNUM AFS Connect
• STEIGER AFS Connect
• Case IH Magnum AFS Connect
• Case IH Patriot sprayers
• Case IH Trident 5550
• Other Case IH / New Holland tractors equipped with AFS Pro 700 / AFS Pro 1200 displays and AccuGuide/IntelliSteer

1. 1

   Check the harness connection to the steering wheel angle sensor to ensure it is not an open circuit or shorted to ground

2. 2

   Verify that the sensor supply voltage for the wheel angle position sensor is not out of range (too high or too low)

3. 3

   Ensure the steering valve is enabled in the system menus

4. 4

   Verify that the hydraulic oil temperature is above 5 °C (41 °F) before attempting calibration

1. 1

   Dynamic Calibration (Moving)

   Ensure the machine is in a safe, open area. The machine must remain moving during this calibration.

2. 2

   Dynamic Calibration (Moving)

   Drive forward at a speed between 2 – 6 km/h (1 – 4 mph).

3. 3

   Dynamic Calibration (Moving)

   Turn the steering wheel all the way to the left-hand steering lock.

4. 4

   Dynamic Calibration (Moving)

   On the display, press the “Left” box to set the left-hand WAS value.

5. 5

   Dynamic Calibration (Moving)

   Do not turn the steering wheel until the WAS screen advances to the "Center WAS" setting.

6. 6

   Dynamic Calibration (Moving)

   Follow the on-screen prompts to record the center and right-hand steering lock values to complete the calibration.

7. 7

   Stationary Calibration (RS1 / Autoguidance Kits)

   Apply the park brake.

8. 8

   Stationary Calibration (RS1 / Autoguidance Kits)

   Verify that the oil temperature is above 5 °C (41 °F).

9. 9

   Stationary Calibration (RS1 / Autoguidance Kits)

   To access the calibration mode, keep the Autoguidance system switch pressed, then switch the ignition on and start the vehicle.

10. 10

    Stationary Calibration (RS1 / Autoguidance Kits)

    Follow the display prompts to record the Right (RIHt), Left (LEFt), and Straight ahead (ntrL) positions until the screen displays "Calibration OK (PASS)".