Club Car TransPorter 4, Maintenance And Service Manual

Page: 153 / 286

SECTION 12 — ELECTRICAL SYSTEM TROUBLESHOOTING
12
Electrical System Troubleshooting
DANGER
• See General Warnings on page 1-2.
WARNING
• See General Warnings on page 1-2.
GENERAL INFORMATION
The IQ Plus vehicle uses a 48-volt electrical system with a shunt-wound, 3.7 hp motor that is powered by eight 6-Volt,
lead-acid batteries and charged by a high-frequency charger. Several additional features include the following:
ACCESSORIES
For powered accessories that need to be controlled by the key switch, use the 12-volt power strip located under
the cowl.
CHARGE INDICATOR LIGHT
IQ Plus vehicles with QuiQ Charger system feature a dash mounted charge indicator light (below the steering column)
that serves two functions: 1) Battery low state of charge warning, and 2) Charging confirmation. The charge indicator
light is controlled by pin 11 of the controller.
Battery Low State of Charge Warning
• The light comes on and remains solid when the battery state of charge falls below 20%.
• The light begins flashing when the battery state of charge falls below 10%.
Charging Confirmation
• The light will flash three times and the reverse buzzer simultaneously will sound three times to indicate a battery
charging session has begun. See following NOTE.
NOTE: The number of flashes and beeps can vary depending on the Beep Option setting. See Beep Option,
Section 11, Page 11-9.
FEATURES
• Shunt-Wound Motor: The shunt-wound motor, unlike a series motor, is designed so that the speed controller is
able to vary the amount of current passing through the field coils independently from the current passing through
the armature.
• Motor Braking: Under certain conditions a shunt-wound motor also has the ability to act as an electrical brake to
slow the vehicle. There are three features of the IQ Plus electrical system which will activate the motor braking
function: Walk Away Braking, Pedal Down Motor Braking, and Pedal Up Motor Braking (adjustable with the CDT
handset).
• Walk Away Braking: the walk away braking feature will prevent the vehicle from rolling at more than 1 or 3 mph
(1.5 or 4.8 km/h) unless the accelerator is pressed. This prevents the possibility of a parked vehicle (with the park
brake disengaged) rolling away too fast to be overtaken on foot. If the walk away braking function remains engaged
for two seconds or more, a warning buzzer will sound to alert the driver that motor braking has been activated.
2019 Transporter Maintenance and Service Manual Page 12-1