13
Troubleshooting
EXCEL SYSTEM TROUBLESHOOTING: WITH
POWERDRIVE CHARGER
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 in making these checks can be
found in the referenced sections of this maintenance and service manual.
TROUBLESHOOTING THE VEHICLE WITH THE IQDM
Club Car recommends the use of the IQDM handset for troubleshooting vehicles equipped with the Excel electrical
system. Troubleshooting Guide 1 is to be used in conjunction with the IQDM handset.
and IQDM-P Diagnostics: Excel System with PowerDrive Charger on page 11-1
for operating instructions.
See following WARNING.
WARNING
• The vehicle operator should not monitor the IQDM while the vehicle is in motion. A technician can
monitor the IQDM 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 proceed to Troubleshooting Guide 2.
If an IQDM handset is unavailable, the technician should proceed to Troubleshooting Guide 2.
TROUBLESHOOTING GUIDE 1
The following troubleshooting guide is intended for use with an IQDM handset.
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
POSSIBLE CAUSES
CORRECTIVE ACTION
Loose or disconnected three-pin connector at
the MCOR3 or broken wire
Repair and/or connect the three-pin connector
to the MCOR
Loose or disconnected 16-pin connector at
speed controller or broken wire
Repair and/or connect the 16-pin connector
to the speed controller
Test Menu – THROTTLE % value does not
increase as the accelerator pedal is pressed
or Diagnostic Menu – THROTTLE FAULT fault
code
Failed MCOR
Test Procedure 4 – MCOR3 Voltage on page
Over-adjusted brakes
Section 6 – Wheel Brake Assemblies
Test Menu – HEATSINK °C indicates that
temperature is above 85 °C (145 °F) or
Diagnostic Menu – THERMAL CUTBACK fault
code
Vehicle is over-loaded
Ensure that vehicle is not over-loaded before
returning to operation
Test Menu – ARM PWM value does not reach
100% when vehicle is at full speed
Failed MCOR
Test Procedure 4 – MCOR3 Voltage on page
TABLE CONTINUED ON NEXT PAGE
Page 13-8
2014 Precedent
®
Golf Car Maintenance and Service Manual
Summary of Contents for Precedent 2014
Page 2: ......
Page 4: ......
Page 24: ......
Page 28: ......
Page 38: ......
Page 66: ......
Page 104: ......
Page 116: ......
Page 152: ......
Page 234: ......
Page 252: ......
Page 264: ......
Page 298: ......
Page 332: ......
Page 394: ......
Page 412: ......
Page 438: ......
Page 444: ......
Page 508: ......
Page 534: ......
Page 543: ......
Page 544: ......
Page 545: ......
Page 547: ......
Page 548: ......