Testing the Steering Motor (continued)
g293903
Figure 65
5. 48V system voltage should be present at the steering motor controller logic
circuit
Logic Voltage
.
• If – – – appears, the controller is not communicating on the CAN bus.
Voltage must be present at the controller logic circuit before communication
can occur on the CAN bus.
If voltage is not present at the logic circuit, the logic circuit is damaged. The
circuit wiring should be checked for corrosion or damage and cleaned or
repaired as necessary.
If logic voltage is present at the controller, and CAN bus communication is
suspect, the CAN bus circuit is damaged. The CAN bus wiring should be
checked for corrosion or damage and cleaned or repaired as necessary.
The steering motor controller CAN bus transceiver can also be tested if
necessary; refer to
Testing Devices (Nodes) on the CAN bus (page 5–32)
.
6. Sit in the operator seat and set the key switch on the O
N
position.
7. Access the InfoCenter
Diagnostics > Steering > Outputs
screen.
g293810
Figure 66
(steering wheel at rest)
•
Mtr Current
should read 0A while the steering motor is stationary.
Greensmaster® eTriFlex 3360 and 3370
Page 5–63
Electrical System: Testing the Electrical Components
19239SL Rev B
