JLG G6-42A Service Manual User Manual
Page 202
Electrical System
9-46
G6-42A, G9-43A, G10-43A
2321
190
2
None
Engine Speed
Engine Speed / Position Sensor #1—Data Erratic,
Intermittent, or Incorrect
2322
723
2
None
Engine Speed
Sensor #2
Engine Speed / Position Sensor #2—Data Erratic,
Intermittent, or Incorrect
2349
2791
5
Amber
Not Available
EGR Valve Control Circuit—Current below normal or
open circuit
2353
2791
6
EGR Valve Control Circuit—Current above normal
or grounded circuit
2357
2791
7
Amber
Not Available
EGR Valve Control Circuit—Mechanical system not
responding or out of adjustment
2372
95
16
Fuel Filter Differential Pressure—Data Valid But
Above Normal Operating Range—Moderately
Severe Level
2373
1209
3
Amber
Exhaust Gas
Pressure
Exhaust Gas Pressure Sensor Circuit—Voltage
Above Normal, or Shorted to High Source
2374
1209
4
Amber
Exhaust Gas
Pressure
Exhaust Gas Pressure Sensor Circuit—Voltage
Below Normal, or Shorted to Low Source
2375
412
3
Amber
Exhaust Gas
Recirculation
(EGR)
Temperature
Exhaust Gas Recirculation (EGR) Temperature
Sensor Circuit—Voltage Above Normal, or Shorted
to High Source
2376
412
4
Amber
Exhaust Gas
Recirculation
(EGR)
Temperature
Exhaust Gas Recirculation (EGR) Temperature
Sensor Circuit—Voltage Below Normal, or Shorted
to Low Source
2377
647
3
Amber
Fan Clutch
Output Device
Driver
Fan Control Circuit—Voltage Above Normal, or
Shorted to High Source
2448
111
17
Amber/
Blink-
ing
Coolant Level
Coolant Level—Data Valid But Below Normal
Operating Range—Least Severe Level
2468
190
0
Engine Crankshaft Speed/Position—Data Valid But
Above Normal Operating Range—Moderately
Severe Level
2554
1209
2
Amber
Not Available
Exhaust Gas Pressure—Data Erratic, Intermittent
or Incorrect
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN
Description
Cummins Description