Troubleshooting; Troubleshooting The Vehicle With The Iqdm; Troubleshooting Guide 1 - Club Car 2009-20011 Electric Precedent Maintenance And Service Manual

14

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 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. See IQ Display Module (IQDM)
and IQDM-P Diagnostics: Excel System on page 16-1 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
Test Menu – THROTTLE % value does not
increase as the accelerator pedal is pressed
or Diagnostic Menu – THROTTLE FAULT fault
code
Test Menu – HEATSINK °C indicates that
temperature is above 85 °C (145 °F) or
Diagnostic Menu – THERMAL CUTBACK fault
code
Test Menu – ARM PWM value does not reach
100% when vehicle is at full speed
TABLE CONTINUED ON NEXT PAGE
Page 14-8 2009-2011 Electric Precedent Maintenance and Service Manual
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 over-loaded
Failed MCOR
EXCEL SYSTEM TROUBLESHOOTING – MCOR
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 4 – MCOR Voltage on page
14-16
Section 6 – Wheel Brake Assemblies
Ensure that vehicle is not over-loaded before
returning to operation
Test Procedure 4 – MCOR Voltage on page
14-16