ELECTRICAL SYSTEM AND TESTING
Troubleshooting
2005 Precedent IQ System Electric Golf Car Maintenance and Service Manual
Page 11-11
11
TROUBLESHOOTING GUIDE 2
TROUBLESHOOTING GUIDE 2
SYMPTOM
POSSIBLE CAUSES
CORRECTIVE ACTION
Vehicle does not operate
Batteries – Batteries discharged
Charge batteries
Batteries – Battery connections
Check vehicle wiring.
See Wiring
Diagrams on page 11-2.
Battery charger is connected to the
vehicle – Solenoid lockout feature has
disabled the vehicle
Disconnect the battery charger from the
vehicle
Onboard computer failure
Test Procedure 2 – Onboard Computer
Solenoid Lockout Circuit on page 11-15
Key switch and MCOR limit switch circuit
Check for loose or disconnected wires at
key switch and MCOR
Failed key switch
Test Procedure 8 – Key Switch and
MCOR Limit Switch Circuit on page 11-20
Failed MCOR
Test Procedure 8 – Key Switch and
MCOR Limit Switch Circuit on page 11-20.
See also Test Procedure 4 – MCOR
Voltage on page 11-17.
Forward/Reverse rocker switch
Test Procedure 15 – Forward/Reverse
Rocker Switch on page 11-36
Solenoid – loose wires
Test Procedure 3 – Solenoid Activating
Coil on page 11-16
Solenoid – failed coil
Test Procedure 3 – Solenoid Activating
Coil on page 11-16
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 9 – 16-Pin Connector on
page 11-22.
High pedal detect
Cycle accelerator pedal
Motor stall
Cycle accelerator pedal
Motor Failure
See Section 15a – Motor (Model
5BC59JBS6365).
Speed controller failure
Replace speed controller.
See Speed
Controller Removal, Section 12,
Page 12-11.
Troubleshooting Guide continued on next page...