Club Car Carryall 300 2021, Maintenance And Service Manual

Page: 179 / 596

ELECTRIC VEHICLE - ELECTRICAL SYSTEM
TROUBLESHOOTING Troubleshooting
12
_
TROUBLESHOOTING GUIDE 2
SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION
Batteries – batteries discharged Charge batteries
Batteries – battery connections
Check vehicle wiring. See Sonic Weld, Diode,
and 10k Ohm Resistor Locations on page
12-4.
Battery charger is connected to the vehicle
– charger interlock feature has disabled the
vehicle
Disconnect the battery charger from the
vehicle
Charger interlock failure
Test Procedure 10 – Charger Interlock on page
12-24
Key switch and MCOR limit switch circuit
Check for loose or disconnected wires at key
switch and MCOR
Failed key switch
Test Procedure 5 – Key Switch and MCOR
Limit Switch Circuit on page 12-19
Failed MCOR
Test Procedure 5 – Key Switch and MCOR
Limit Switch Circuit on page 12-19. See also
Test Procedure 11 – MCOR Voltage on page
12-25.
Forward/Neutral/Reverse control (FNR)
Test Procedure 6 – Forward/Neutral/Reverse
control (FNR) on page 12-20
Solenoid – loose wires
Test Procedure 7 – Solenoid Activating Coil
on page 12-22
Solenoid – failed coil
Test Procedure 7 – Solenoid Activating Coil
on page 12-22
Speed controller thermal cutback
Allow controller to cool and ensure that vehicle
is not over-loaded before returning to operation
16-pin connector at speed controller
Check for loose or disconnected wires at the
16-pin connector. See also Test Procedure
15 – 16-Pin Connector on page 12-30.
High pedal detect Cycle accelerator pedal
Motor stall Cycle accelerator pedal
Motor Failure Section 16 — Electric Vehicle - Motor
Speed controller failure
Replace speed controller. See Speed
Controller Removal on page 13-7.
Motor – motor connections Check for loose or disconnected wires
Vehicle does not operate
Speed controller – Motor and power
connections
Check for loose or disconnected wires
TABLE CONTINUED ON NEXT PAGE
2021 Carryall 300 Maintenance and Service Manual Page 12-9