Toro Greensmaster eTriFlex 3360 Service Manual page 160

Testing the Front Traction Motors (continued)
Calibrating the Front Traction Motors
Electrical System: Testing the Electrical Components
Refer to Figure 58 for this procedure.
1. Park the machine on a level surface, lower the cutting units and set the key
switch to the O position.
FF
2. Set the function control switch to the N
3. Check the machine wire harness at the traction motor connector:
A. Locate and disconnect the multi-pin machine wire harness connector
from the traction motor. Check the motor and the harness connector for
damage or corrosion and clean or repair as necessary.
B. Set the key switch to the O
C. Use a multimeter (DC voltage setting) to confirm 12 VDC is present at the
wire harness connector terminal 1.
D. Set the key switch to the O
E. Use a multimeter (ohms setting) to confirm continuity to the 48V ground
bus at the machine wire harness connector pins 4, 6 and 7.
F. Repair the machine wire harness if necessary; refer to
A–1).
4. Disconnect the 48V battery disconnect; refer to
(page 5–9).
5. Label and disconnect the 3 traction motor power cables at the traction motor.
6. Use a multimeter (ohms setting) to confirm continuity across each
combination of the motor terminals (black to red, black to orange, orange
to red).
7. Replace the front traction motor as necessary; refer to
(page 5–131).
8. Calibrate the front traction motors before returning the machine to service;
refer to Calibrating the Front Traction Motors (page
1. Sit in the operator seat and set the key switch on the O
2. Access the InfoCenter Settings > Protected Menus > Enter PIN screen
and enter the machine PIN.
3. Access the InfoCenter Service > Calibration screen.
4. Select Traction Motor and follow the on-screen calibration instructions.
Note: If the calibration procedure fails, try calibrating the item again before
continuing to troubleshoot the system.
EUTRAL
position.
N
position.
FF
Page 5–56
position.
Appendix A (page
48V Battery Disconnect
Front Traction Motor
5–56).
position.
N
Greensmaster® eTriFlex 3360 and 3370
19239SL Rev B