Club Car 2009-20011 Electric Precedent Maintenance And Service Manual page 158

12
Troubleshooting
TROUBLESHOOTING GUIDE 2
SYMPTOM
Vehicle runs slowly
Vehicle operates, but motor braking function
does not
Vehicle will run in forward, but not in reverse or
will run in reverse but not forward
Vehicle operates, but battery charger does not
charge batteries
Page 12-12 2009-2011 Electric Precedent Maintenance and Service Manual
POSSIBLE CAUSES
Speed sensor disconnected or failed
Incorrect speed setting
Wiring – improperly wired
Batteries – Batteries discharged
MCOR malfunction
Motor – loose wires
Failed motor
Vehicle is over-loaded
Speed controller failure
Brakes – improperly adjusted
Tires – under-inflated or flat tires
Wiring – improperly wired
Speed sensor disconnected or failed
Forward/Reverse rocker switch – improperly
wired
Motor – improperly wired
Speed controller – improperly wired or failed
speed controller FET
Onboard computer – gray wire
Battery charger connections – loose wires at
receptacle or batteries
Battery charger
IQ SYSTEM TROUBLESHOOTING – MCOR
CORRECTIVE ACTION
Test Procedure 21 – Motor Speed Sensor on
page 12-34
To change the programmed top speed of the
vehicle, an IQDM-P handset must be used
Check vehicle wiring. See Wiring Diagrams
on page 12-2.
Charge batteries
Test Procedure 4 – MCOR Voltage on page
12-16
Inspect and tighten all wire connections at the
motor.
Replace motor. See Motor Removal on page
20-3.
Ensure that vehicle is not over-loaded before
returning to operation.
Replace speed controller. See Speed
Controller Removal on page 17-12.
See Section 6 – Wheel Brake Assemblies.
See Section 8 – Wheels and Tires.
Check vehicle wiring. See Wiring Diagrams
on page 12-2.
Test Procedure 21 – Motor Speed Sensor on
page 12-34
Test Procedure 23 – Forward/Reverse Rocker
Switch on page 12-35
Check motor wiring. See Wiring Diagrams
on page 12-2.
Check vehicle wiring. See Wiring Diagrams
on page 12-2.
Test Procedure 19 – Onboard Computer Gray
Wire on page 12-33
Check wire connections and tighten if
necessary.
Refer to the appropriate battery charger
maintenance and service manual.