Troubleshooting Guide 1 - Club Car 2009-20011 Electric Precedent Maintenance And Service Manual

12
Troubleshooting
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 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
Test Menu – SPEED PULSES menu item
indicates that speed pulses are OFF when
the vehicle is in motion or Diagnostic Menu –
SPEED SENSOR fault code
Test Menu – FOOT INPUT menu item indicates
that the MCOR internal limit switch is always
ON or always OFF.
Test Menu – FORWARD INPUT and/or
REVERSE INPUT does not indicate the
correct reading or Diagnostic Menu –
PROC/WIRING fault code
TABLE CONTINUED ON NEXT PAGE
Page 12-8 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
Loose or disconnected motor speed sensor
or broken wire
Loose or disconnected 16-pin connector at
speed controller or broken wire
Failed motor speed sensor
Loose or disconnected two-pin connector at
the MCOR or broken wire
Loose or disconnected 16-pin connector at
speed controller or broken wire
Failed MCOR
Loose or disconnected Forward/Reverse
rocker switch (quick disconnect terminals) or
broken wire
Loose or disconnected Forward/Reverse
rocker switch (three-pin connector) or broken
wire
Loose or disconnected 16-pin connector at
speed controller or broken wire
Failed Forward/Reverse rocker switch
IQ 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
12-16
Section 6 – Wheel Brake Assemblies
Ensure that vehicle is not over-loaded before
returning to operation
Test Procedure 4 – MCOR Voltage on page
12-16
Repair and/or connect the three-pin connector
to the motor speed sensor
Repair and/or connect the 16-pin connector
to the speed controller
Test Procedure 21 – Motor Speed Sensor on
page 12-34
Repair and/or connect the two-pin connector
to the MCOR
Repair and/or connect the 16-pin connector
to the speed controller
Test Procedure 8 – Key Switch and MCOR
Limit Switch Circuit on page 12-21
Repair and/or connect the quick disconnect
terminals to the Forward/Reverse switch
Repair and/or connect the three-pin connector
from the Forward/Reverse switch to the wire
harness
Repair and/or connect the 16-pin connector
to the speed controller
Test Procedure 23 – Forward/Reverse Rocker
Switch on page 12-35