JLG G5-18A Service Manual User Manual
Page 155

9-35
G5-18A, 2505H, 25.5
Electrical System
Lift Enable Valve -
Short to Battery
33161
The module is detecting
short to B+
Deactivate Lift Enable
Output
Latched. Check wiring to
Pin J1-7 on the Ground
Module
Telescope Out
Valve - Open
Circuit
33186
The module is detecting an
open circuit
Deactivate Telescope
Out Output
Latched. Check wiring to
Pin J1-9 on the Ground
Module
Telescope Out
Valve - Short to
Ground
33188
The module is detecting a
short to ground
Deactivate Telescope
Out Output
Latched. Check wiring to
Pin J1-9 on the Ground
Module
Lift Down Valve -
Short to Ground
33407
The module is detecting a
short to ground
Deactivate Lift Down
Output
Latched. Check wiring to
Pin J1-8 on the Ground
Module
Function Enable
Output – Short to
Battery
33438
The module is detecting
short to B+
Deactivate Function Enable
Latched. Check wiring to
Pin J1-11 on the Ground
Module
Function Enable
Output – Short to
Ground
33443
The module is detecting a
short to ground
Deactivate Function Enable
Latched. Check wiring to
Pin J1-11 on the Ground
Module
Telescope Enable
Valve – Short to
Ground
33444
The module is detecting a
short to ground
Deactivate Telescope
Enable Output
Latched. Check wiring to
Pin J1-10 on the Ground
Module
Telescope Enable
Valve – Open
Circuit
33439
The module is detecting an
open circuit
Deactivate Telescope
Enable Output
Latched. Check wiring to
Pin J1-10 on the Ground
Module
Telescope Enable
Valve - Short to
Battery
33440
The module is detecting
short to B+
Deactivate Telescope
Enable Output
Latched. Check wiring to
Pin J1-10 on the Ground
Module
Passive Mode
Indicator – Short to
Ground
33441
The module is detecting a
short to ground
Deactivate Indicator Output
Latched. Check wiring to
Pin J1-12 on the Ground
Module
Passive Mode
Indicator – Short to
Battery
33442
This fault can only be
detected if the machine is
configured for the CE
market. The module is
detecting short to B+
Deactivate Indicator Output
Latched. Check wiring to
Pin J1-12 on the Ground
Module
Battery Voltage
Low – System
Shutdown
441
Battery voltage is less than
9V for at least 250ms and
engine is not in a cranking
state
Deactivate all Module
Outputs
Not Latched
Revert to normal
operation when battery
voltage greater than or
equal to 11V for at least
1000mS
Battery Voltage
Too High - System
Shutdown
442
Battery voltage greater than
16V for at least 250mS
Deactivate all Module
Outputs
Latched
Fix supply voltage
Lift Valve –
Pressure Sensor
Voltage Out of
Range
4578
The Ground module has
detected that the pressure
sensor voltage is less than
0.25V or greater than 4.75V
Limit all lift down speed to
Creep mode without
activating LSI Cutout
Latched. Check wiring to
Pins J2-1, J2-2 on the
Ground Module
Help Message
DTC
Trigger / Possible
Symptom
Actions
Latch / Reset
Condition