JLG G12-55A Service Manual - Manual (Page 166)

Electrical System
9-24 G10-55A, G12-55A
148 91 0 Red
Accelerator
Pedal Position
Accelerator Pedal or Lever Position Sensor Circuit—
Abnormal Frequency, Pulse Width, or Period
151 110 0 Red
Engine Coolant
Temperature
Coolant Temperature High—Data Valid but Above
Normal Operational Range—Most Severe Level
153 105 3 Amber
Temp—Intake
Manifold #1
Intake Manifold Air Temperature Sensor Circuit—
Voltage Above Normal, or Shorted to High Source
154 105 4 Amber
Temp—Intake
Manifold #1
Intake Manifold Air Temperature Sensor Circuit—
Voltage Below Normal, or Shorted to Low Source
155 105 0 Red
Temp—Intake
Manifold #1
Intake Manifold Air Temperature High—Data
Valid but Above Normal Operational Range—Most
Severe Level
187 3510 4 Amber
5 Volts
DC Supply
Sensor Supply Voltage #2 Circuit—Voltage Below
Normal, or Shorted to Low Source
195 111 3 Amber Coolant Level
Coolant Level Sensor Circuit—Voltage Above
Normal, or Shorted to High Source
196 111 4 Amber Coolant Level
Coolant Level Sensor Circuit—Voltage Above
Normal, or Shorted to High Source
197 111 18 Amber Coolant Level
Coolant Level—Data Valid but Below Normal Opera-
tional Range—Moderately Severe Level
221 108 3 Amber
Barometric
Pressure
Barometric Pressure Sensor Circuit—Voltage Above
Normal, or Shorted to High Source
222 108 4 Amber
Barometric
Pressure
Barometric Pressure Sensor Circuit—Voltage Below
Normal, or Shorted to Low Source
227 3510 3 Amber
5 Volts
DC Supply
Sensor Supply Voltage #2 Circuit—Voltage Above
Normal, or Shorted to High Source
234 190 0 Red Engine Speed
Engine Speed High—Data Valid but Above Normal
Operational Range—Most Severe Level
235 111 1 Red Coolant Level
Coolant Level Low—Data Valid but Below Normal
Operational Range—Most Severe Level
237 644 2 Amber
External Speed
Input
External Speed Input (Multiple Unit Synchronization)
—Data Erratic, Intermittent, or Incorrect
238 3511 4 Amber
System code # 1
Diagnostic
Sensor Supply Voltage #3 Circuit—Voltage Below
Normal, or Shorted to Low Source
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN
Description
Cummins Description