JLG G12-55A Service Manual User Manual
Page 171

9-29
G10-55A, G12-55A
Electrical System
953
524286
31
Amber
Not Available
Reserved for temporary use—Condition Exists
1117
627
2
None
Power Supply
Power Lost With Ignition On—Data Erratic,
Intermittent, or Incorrect
1239
2623
3
Amber
Accelerator
Pedal Position
Accelerator Pedal or Lever Position Sensor 2 Circuit
—Voltage Above Normal, or Shorted to High Source
1241
2623
4
Amber
Not Available
Accelerator Pedal or Lever Position Sensor 2 Circuit
—Voltage Below Normal, or Shorted to Low Source
1242
91
2
Red
Accelerator
Pedal Position
Accelerator Pedal or Lever Position Sensor 1 and
2—Data Erratic, Intermittent, or Incorrect
1695
3513
3
Amber
Not Available
Sensor Supply 5—Voltage Above Normal, or
Shorted to High Source
1696
3513
4
Amber
Not Available
Sensor Supply 5—Voltage Below Normal, or
Shorted to Low Source
1843
101
3
Amber
Not Available
Crankcase Pressure Circuit—Voltage Above
Normal, or Shorted to High Source
1844
101
4
Amber
Not Available
Crankcase Pressure Circuit—Below Normal, or
Shorted to Low Source
1852
97
16
Amber
Water in Fuel
Indicator
Water in Fuel Indicator—Data Valid but Above
Normal Operational Range—Moderately
Severe Level
1896
2791
13
Amber
Not Available
EGR Valve Controller—Out of Calibration
1911
157
0
Amber
Injector
Metering Rail
Injector Metering Rail 1 Pressure—Data Valid
but Above Normal Operational Range—Most
Severe Level
1938
3597
18
Amber
Not Available
ECU Power Output Supply Voltage 1—Data Valid
But Below Normal Operating Range—Moderately
Severe Level
1939
3597
3
Amber
Not Available
ECU Power Output Supply Voltage 1—Voltage
Above Normal, or Shorted to High Source
1941
3597
4
Amber
Not Available
ECU Power Output Supply Voltage 1—Voltage
Below Normal, or Shorted to Low Source
1942
101
2
Amber
Not Available
Crankcase Pressure—Data Erratic, Intermittent
or Incorrect
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN
Description
Cummins Description