13
Faults Menu
IQ DISPLAY MODULE (IQDM) AND IQDM-P
DIAGNOSTICS: IQ SYSTEM
if the vehicle had gone into sleep mode and the accelerator was pressed while the key switch was switched on. The
key
switch sro fault detect is by default disabled but can be enabled via the program menu KSI SRO ENABLE parameter.
THROTTLE FAULT 1
If the throttle position sensor voltage is less than 0.20 volts or greater than 4.80 volts, the controller detects a
throttle
fault 1 fault
.
SPEED SENSOR
If the speed controller does not detect pulses from the speed sensor while the controller outputs power (greater than
75% armature PWM) to the motor, a
speed sensor
fault is detected.
MAIN WELDED
If the speed controller detects that the solenoid contacts are welded closed, a
main welded
fault is detected.
MAIN DRIVER ON
If the FET that controls the closing of the solenoid contacts is found to be energized when it should not be, a
main
driver on
fault is detected by the speed controller.
MAIN DRIVER OFF
If the FET that controls the closing of the solenoid is
not
energized when it should be, a
main driver off
fault is
detected by the speed controller.
HIGH SPEED WALKAWAY
If the key switch is turned off or the Forward/Reverse (F&R) switch is placed in neutral while the vehicle is being driven
downhill at full speed for more than 8 seconds, the controller detects a
high speed walkaway fault
.
MAIN COIL FAULT
If the speed controller determines that the solenoid is not closing as a result of a solenoid coil failure, a
main coil fault
is detected.
Page 13-10
2009 Electric Precedent Maintenance and Service Manual
Содержание 2009 Precedent
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