JLG G6-42A Service Manual User Manual
Page 200
Electrical System
9-44
G6-42A, G9-43A, G10-43A
687
103
18
Amber
Turbocharger
1 Speed
Turbocharger #1 Speed Low—Data Valid but
Below Normal Operational Range—Moderately
Severe Level
689
190
2
Amber
Engine Speed
Primary Engine Speed Sensor Error—Data Erratic,
Intermittent, or Incorrect
691
1172
3
Amber
Turbocharger
#1Compressor
Inlet
Temperature
Turbocharger 1 Compressor Inlet Temperature
Circuit—Voltage Above Normal, or Shorted to
High Source
697
1136
3
Amber
Sensor Circuit
—Voltage
ECM Internal Temperature Sensor Circuit—Voltage
Above Normal, or Shorted to High Source
698
1136
4
Amber
Sensor Circuit
—Voltage
ECM Internal Temperature Sensor Circuit - Voltage
Below Normal, or Shorted to Low Source
731
723
7
Amber
Engine Speed
Sensor #2
Mechanical Misalignment Between Camshaft and
Crankshaft Sensors—Mechanical System Not
Responding Properly or Out of Adjustment
952
524286
31
Amber
Not Available
Reserved for temporary use—Condition Exists
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
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN
Description
Cummins Description