Traction Pedal Position Sensor Calibration - Toro Groundsmaster 4000-D Service Manual

Traction Pedal Position Sensor Calibration

IMPORTANT: A properly installed and calibrated
traction pedal position sensor is critical to accurate
traction system response and for reliable sensor
life. Use care when removing, installing and cali-
brating the traction pedal position sensor.
Calibration of the traction pedal position sensor ensures
that the TEC controller can identify the traction neutral,
forward and reverse positions.
1. Park machine on a level surface, lower cutting
decks, engage parking brake and stop engine.
2. Turn ignition switch to RUN but do not start engine.
3. Use the InfoCenter Display Settings menu (see Info-
Center Display in this chapter) to obtain and select Pro-
tected Menus. Enter valid PIN for the machine to allow
access to protected menu items including calibration of
the traction pedal position sensor. The InfoCenter dis-
play screen should indicate "PIN" in the upper right hand
corner when the correct PIN number has been entered.
4. Use the InfoCenter Display Service menu (see Info-
Center Display in this chapter) to obtain and select the
Traction Pedal menu item. The InfoCenter display
should indicate that the traction pedal calibration pro-
cess is engaged (Fig. 24).
5. Follow the prompts on the InfoCenter display screen
to calibrate the traction pedal position sensor. The calib-
ration steps are listed below:
A. Slowly press traction pedal to the forward direc-
tion.
B. Press and hold traction pedal to the full forward
position.
C. Allow traction pedal to return to the neutral posi-
tion.
D. Slowly press traction pedal to the reverse direc-
tion.
E. Press and hold traction pedal to the full reverse
position.
F. Check that InfoCenter display indicates a suc-
cessful calibration process (Fig. 25).
6. Turn ignition switch to OFF which exits the traction
pedal calibration menu.
Electrical System
2
1. Traction pedal
Page 5 - - 28
Figure 23
2. Pedal position sensor
ADVISORY #172
Calibrate Teach Is
Engaged
Figure 24
ADVISORY #172
Calibrate. Exit Good
Figure 25
Groundsmaster 4000--D/4010--D
1