Troubleshooting; Troubleshooting The Vehicle With The Iqdm; Troubleshooting Guide 1 - Club Car Precedent 2004 Maintenance And Service

11
ELECTRICAL SYSTEM AND TESTING

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 IQ elec-
trical system. Troubleshooting Guide 1 is to be used in conjunction with the IQDM handset. Refer to the IQDM
Owner's Manual 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 techni-
cian 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. For IQDM operating instruc-
tions, refer to the IQDM Owner's Manual. 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 1
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
Troubleshooting Guide continued on next page...
Page 11-12 2004 Precedent IQ System Golf Car 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
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 4 – MCOR Voltage on
page 11-21
Section 6 – Wheel Brake Assemblies in
the appropriate maintenance and service
manual
Ensure that vehicle is not over-loaded
before returning to operation
Test Procedure 4 – MCOR Voltage on
page 11-21