JLG G12-55A Service Manual - Manual (Page 192)

Electrical System
9-50 G10-55A, G12-55A
554 157 2 Amber Injector Metering
Rail 1 Pressure
Fuel Pressure Sensor Error - Data Erratic,
Intermittent, or Incorrect
559 157 18 Amber Injector Metering
Rail 1 Pressure
Injector Metering Rail #1 Pressure Low - Data
Valid but Below Normal Operational Range -
Moderately Severe Level
584 677 3 Amber Starter Solenoid
Lockout Relay Driver
Circuit
Starter Relay Circuit - Voltage Above Normal, or
Shorted to High Source
585 677 4 Amber Starter Solenoid
Lockout Relay Driver
Circuit
Starter Relay Circuit - Voltage Below Normal, or
Shorted to Low Source
595 103 16 Amber Turbocharger 1
Speed
Turbocharger #1 Speed High - Data Valid but
Above Normal Operational Range - Moderately
Severe Level
596 167 16 Amber Alternate Potential
(voltage)
Electrical Charging System Voltage High - Data
Valid but Above Normal Operational Range -
Moderately Severe Level
597 167 18 Amber Alternate Potential
(voltage)
Electrical Charging System Voltage Low - Data
Valid but Below Normal Operational Range -
Moderately Severe Level
598 167 1 Red Alternate Potential
(voltage)
Electrical Charging System Voltage Low - Data
Valid but Below Normal Operational Range -
Most Severe Level
599 640 14 Red Engine External
Protection Input
Auxiliary Commanded Dual Output Shutdown -
Special Instructions
649 1378 31 Maint Engine Oil Change
Interval
Change Lubricating Oil and Filter - Condition
Exists
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 #1
Compressor Inlet
Temperature
Turbocharger #1 Compressor Inlet Temperature
Sensor Circuit - Voltage Above Normal, or
Shorted to High Source
692 1172 4 Amber Turbocharger #1
Compressor Inlet
Temperature
Turbocharger #1 Compressor Inlet Temperature
Sensor Circuit - Voltage Below Normal, or
Shorted to Low Source
697 1136 3 Amber Sensor Circuit -
Voltage
ECM Internal Temperature Sensor Circuit -
Voltage Above Normal, or Shorted to High
Source
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN Description Cummins Description