Club Car Precedent 2004, Maintenance And Service

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ELECTRICAL SYSTEM AND TESTING Troubleshooting
Page 11-16 2004 Precedent IQ System Golf Car Maintenance and Service Manual
11
Vehicle does not operate, continued High pedal detect Cycle accelerator pedal
Motor stall Cycle accelerator pedal
Motor Failure See Section 15 – Motor.
Speed controller failure
Replace speed controller. See Speed
Controller Removal, Section 12,
Page 12-11.
Vehicle runs slowly
Speed sensor disconnected or failed
Test Procedure 13 – 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
Diagram on page 11-11.
Batteries – Batteries discharged Charge batteries
MCOR malfunction
Test Procedure 4 – MCOR Voltage on
page 11-21
Motor – loose wires
Inspect and tighten all wire connections at
the motor.
Failed motor
Replace motor. See Motor Removal,
Section 15, Page 15-3.
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 12,
Page 12-11.
Brakes – improperly adjusted
See Section 6 – Wheel Brake
Assemblies.
Tires – under-inflated or flat tires See Section 8 – Wheels and Tires.
Vehicle operates, but motor braking
function does not
Wiring – improperly wired
Check vehicle wiring. See Wiring
Diagram on page 11-11.
Speed sensor disconnected or failed
Test Procedure 13 – 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 15 – Forward/Reverse
Rocker Switch on page 11-40
Motor – improperly wired
Check motor wiring. See Wiring Diagram
on page 11-11.
Speed controller – improperly wired or
failed speed controller FET Check vehicle wiring. See Wiring
Diagram on page 11-11.
Vehicle operates, but battery charger
does not charge batteries
Onboard computer – gray wire
Test Procedure 11 – Onboard Computer
Gray Wire 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.
TROUBLESHOOTING GUIDE 2
SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION