Table 23. Proc_Cal_026: Travel Speed Calibration
A. TYPICAL DISPLAY WITHOUT KEY, WITH OPTIONS
B. TYPICAL DISPLAY WITH KEY, WITHOUT OPTIONS
Action 1: Make two marks 15 m (50 ft) apart on level ground.
Action 2: Drive truck up to the first mark. Be sure to choose a reference point on the truck to line up with the
mark on the ground. Also be sure that the steer tires are aligned straight ahead.
Action 3: Shut the engine OFF and enter the service password in the dash.
Action 4: Start the engine.
Action 5: Scroll to the Calibrations Menu and press *.
Action 6: Scroll to the Travel Speed Sensor and press *.
Action 7: Press * when ready to begin.
Action 8: Drive to the second mark ( 15 m (50 ft), stopping when the reference point you made lines up with the
15 m (50 ft) mark. Be sure to drive straight as possible. Travel speed will not have any affect on the outcome of
the calibration.
Action 9: Press *.
Action 10: The display should say "Save and Exit" if the calibration process was performed properly.
Action 11: Press * twice to save the calibration.
Verification: Access the speed indicator by using the or , or by performing Action 12 through Action 15.
Action 12: Press *.
Action 13: Scroll to the Diagnostics Menu and press *.
Action 14: Scroll to the XMSN/Brake Data Disp Menu and press *.
Action 15: Scroll to Travel Speed Sensor Menu and press *.
Drive the truck at top speed and verify that the top speed agrees with the model truck within
±1.61 km/h (±1 mph).
NOTE: The travel speed diagnostic display in 1.61 km/h (1 mph) increments. Any speed between whole num-
bers is always rounded down to the nearest whole number.
Proc_Cal_026: Travel Speed Calibration 8000 YRM 1134
56 Confidential/Proprietary - Do Not Copy or Duplicate
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