Troubleshooting Guide 2 - Club Car IQ Plus 2008 Maintenance And Service Manual Supplement

11
ELECTRICAL SYSTEM AND TESTING

TROUBLESHOOTING GUIDE 2

TROUBLESHOOTING GUIDE 2
SYMPTOM
Vehicle does not operate
Troubleshooting Guide continued on next page...
Page 11-12 2008-2011 IQ Plus Electric Vehicle Maintenance and Service Supplement
POSSIBLE CAUSES
Batteries discharged
Improper or poor battery connections
Battery charger is connected to the
vehicle – Solenoid lockout feature has
disabled the vehicle
Onboard computer failure
Key switch and MCOR limit switch circuit
Failed key switch
Failed MCOR
Forward/Reverse rocker switch
Solenoid – loose wires
Solenoid – failed coil
Solenoid – failed solenoid diode
Speed controller thermal cutback
24-pin connector at speed controller
High pedal detect
Motor stall
Motor failure
Failed Tow/Run switch
Speed controller failure
Troubleshooting
CORRECTIVE ACTION
Charge batteries
Check vehicle wiring. See Wiring
Diagrams beginning on page 11-2.
Disconnect the battery charger from the
vehicle
Test Procedure 2 – Onboard Computer
Solenoid Lockout Circuit on page 11-16
Check for loose or disconnected wires at
key switch and MCOR
Test Procedure 9 – Key Switch and
MCOR Limit Switch Circuit on page 11-23
Test Procedure 9 – Key Switch and
MCOR Limit Switch Circuit on page 11-23.
See also Test Procedure 4 – MCOR
Voltage on page 11-18.
Test Procedure 16 – Forward/Reverse
Rocker Switch on page 11-41
Test Procedure 3 – Solenoid Activating
Coil on page 11-17
Test Procedure 3 – Solenoid Activating
Coil on page 11-17
Test Procedure 3 – Solenoid Activating
Coil on page 11-17
Allow controller to cool and ensure that
vehicle is not over-loaded before returning
to operation
Check for loose or disconnected wires at
the 24-pin connector. See also Test
Procedure 10 – 24-Pin Connector on
page 11-25.
Cycle accelerator pedal
Cycle accelerator pedal
Section 16 – Motor (Model DA5-4006)
Test Procedure 6 – Tow/Run Switch on
page 11-21
Replace speed controller. See Speed
Controller Removal, Section 13,
Page 13-11.