6 Vehicles Autopilot system calibration
12.
Tap to accept the calibration.
13. To restart the calibration, tap Steering Sensor.
Automated steering deadzone calibration
The Automated Deadzone calibration runs a series of tests on the valve and steering hydraulics to
determine the steering signal where steering movement occurs. It determines the minimum valve
command required for steering movement when you direct the vehicle to turn to the right or left.
In this test, the system independently calibrates both sides of the steering system to determine the
point at which wheel movement occurs for each direction.
Note – Large obstacles or terrain variation may cause erratic steering position readings which may
degrade the calibration done smooth, level surface recommended for this calibration.
WARNING – During the Deadzone calibration, the system moves the vehicle’s steering wheel. To avoid injury, be
prepared for sudden vehicle movement.
Pre-calibration steps
Complete these steps before you begin calibration:
1. Complete the vehicle profile steps for setup.
2.
Warm up the vehicle. The hydraulic fluid must be at normal operating temperature for
deadzone calibration.
Note – On some vehicles with large reservoirs, it may take a longer amount of time for the
fluid to reach operating level, especially if the implement circuit is lightly loaded. Consult the
vehicle documentation to determine if the hydraulic fluid temperature can be shown on a
vehicle console.
3.
If you perform the deadzone calibration while the system is cold, repeat both the Automated
Deadzone and Steering Gain (see Proportional steering gain, 160) calibrations again when the
system is at operating temperature.
4. Prepare the steering sensor:
a. If the vehicle has an AutoSense device, drive the vehicle in a straight line for at least one
minute.
b. If the vehicle has a Potentiometer, complete the Steering Sensor calibration first. See
Steering sensor calibration, 154.
156 TMX-2050 Display User Guide Version 1.075, Revision C
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