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ELECTRIC VEHICLE - ELECTRICAL SYSTEM
TROUBLESHOOTING
TROUBLESHOOTING
The following troubleshooting guides will be helpful in identifying operating difficulties should they occur. The guides
include the symptom, probable cause(s) and suggested checks. The procedures used for making these checks can be
found in the referenced sections of this maintenance and service manual.
TROUBLESHOOTING THE VEHICLE WITH THE CDT
Club Car recommends the use of the CDT handheld programmer for troubleshooting vehicles equipped with the Excel
electrical system. Troubleshooting Guide 1 is to be used in conjunction with the CDT handheld programmer. See 11
Controller Diagnostic Tool (CDT)for operating instructions. See following WARNING.
WARNING
• The vehicle operator should not monitor the CDT while the vehicle is in motion. A technician can
monitor the CDT while traveling as a passenger in the vehicle. Failure to heed this warning could
result in severe personal injury or death.
In the event that the vehicle is not functioning properly after completing Troubleshooting Guide 1, the technician should
go to Troubleshooting Guide 2.
If a CDT handheld programmer is unavailable, the technician should go to Troubleshooting Guide 2.
TROUBLESHOOTING GUIDE 1
The following troubleshooting guide is intended for use with a CDT handheld programmer. See following NOTE.
NOTE: Before troubleshooting the vehicle, check the diagnostic history from the Special Diagnostics Menu. Note
any fault codes.
_
TROUBLESHOOTING GUIDE 1
SYMPTOM
Monitor Menu – THROTTLE % value does not
increase as the accelerator pedal is pressed
or Diagnostic Menu – THROTTLE FAULT fault
code
Monitor Menu – TEMPERATURE °C indicates
that temperature is above 85 °C (145 °F) or
Diagnostic Menu – THERMAL CUTBACK fault
code
Monitor Menu – ARM PWM value does not
reach 100% when vehicle is at full speed
TABLE CONTINUED ON NEXT PAGE
POSSIBLE CAUSES
Loose or disconnected three-pin connector at
the MCOR or broken wire
Loose or disconnected 16-pin connector at
speed controller or broken wire
Failed MCOR
Over-adjusted brakes
Vehicle is overloaded
Failed MCOR
2021 Carryall 300 Maintenance and Service Manual
Troubleshooting
CORRECTIVE ACTION
Repair and/or connect the three-pin connector
to the MCOR
Repair and/or connect the 16-pin connector
to the speed controller
Test Procedure 11 – MCOR Voltage on page
12-25
Section 6 – Wheel Brake Assemblies
Ensure that vehicle is not overloaded before
returning to operation
Test Procedure 11 – MCOR Voltage on page
12-25
12
Page 12-5
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Table of Contents
Troubleshooting
