Club Car IQ PLUS SYSTEM, Maintenance Service Supplement

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ELECTRICAL SYSTEM AND TESTING Troubleshooting
2006 IQ Plus System Electric Vehicle Maintenance and Service Supplement Page 11-13
11
Vehicle runs slowly
Speed sensor disconnected or failed
Test Procedure 14 – Motor Speed Sensor
on page 11-38
Incorrect speed setting
To change the programmed top speed of
the vehicle, an IQDM-P handset must be
used
Wiring – improperly wired
Check vehicle wiring. See Wiring
Diagrams beginning on page 11-2.
Batteries discharged Charge batteries
MCOR malfunction
Test Procedure 4 – MCOR Voltage on
page 11-18
Motor – loose wires
Inspect and tighten all wire connections at
the motor
Failed motor
Replace motor. See Motor Removal,
Section 16, Page 16-2.
Vehicle is over-loaded
Ensure that vehicle is not over-loaded
before returning to operation
Speed controller failure
Replace speed controller. See Speed
Controller Removal, Section 13,
Page 13-11.
Brakes – improperly adjusted
See Section 6 – Wheel Brake
Assemblies in the appropriate
maintenance and service manual.
Tires – under-inflated or flat tires
See Section 8 – Wheels and Tires in the
appropriate maintenance and service
manual.
Vehicle operates, but motor braking
function does not
Wiring – improperly wired
Check vehicle wiring. See Wiring
Diagrams beginning on page 11-2.
Speed sensor disconnected or failed
Test Procedure 14 – Motor Speed Sensor
on page 11-38
Vehicle will run in forward, but not in
reverse or will run in reverse but not
forward Forward/Reverse rocker switch –
improperly wired Test Procedure 16 – Forward/Reverse
Rocker Switch on page 11-41
Motor – improperly wired
Check motor wiring. See Wiring
Diagrams beginning on page 11-2.
Speed controller – improperly wired or
failed speed controller FET Check vehicle wiring. See Wiring
Diagrams beginning on page 11-2.
Vehicle operates, but battery charger
does not charge batteries
Onboard computer – gray wire or fuse
Test Procedure 12 – Onboard Computer
Gray Wire and Fuse on page 11-37
Battery charger connections – loose wires
at receptacle or batteries Check wire connections and tighten if
necessary.
Battery charger
Refer to the appropriate battery charger
maintenance and service manual
Battery voltage below 32 volts Charge batteries
Blown fuse at charger receptacle
Test Procedure 12 – Onboard Computer
Gray Wire and Fuse on page 11-37
TROUBLESHOOTING GUIDE 2
SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION