SECTION 5 - JLG CONTROL SYSTEM
5-14
31215079
33754
3
3 "Lower Lift Down Valve - Short to Ground"
• The HIM has detected a STG on the Lower Lift Down Valve output and
communicated it to the LRT Ground Module via CAN
AND
Machine Setup Model - 530LRT
33755
7
8 "Lower Lift Down Valve - Open Circuit"
• The HIM has detected a OC on the Lower Lift Down Valve output and
communicated it to the LRT Ground Module via CAN
Only detectable when a function is active
AND
Machine Setup Model - 530LRT
4381
4
3 "Fuel Sensor - Short to Battery"
• The control system measures Fuel Sensor A2D value > 1023 counts
432
4
3 "Fuel Sensor Short To Ground"
• The fuel sensor value is under the minimum allowed value.
• Check the fuel sensor input J2-34 (resistive).
4382
4
3 "Fuel Sensor - Open Circuity"
• The control system measures Fuel Sensor A2D value > 768 counts
433
4
3 "Oil Pressure Short To Battery"
• Engine oil pressure is high while the engine is not running for 30 sec-
onds.
• Check the engine oil pressure input J2-17 (should be low when not
overheating).
• Check the speed sensor wiring.
434
4
3 "Oil Pressure Short To Ground"
435
4
3 "Coolant Temperature Short To Ground"
437
4
3 "Engine Trouble Code "
• Fault was reported by the engine controller.
• Check the engine.
438
4
3 "Engine Temperature High"
• Engine temperature is over 110 degrees C.
441
4
4 "Battery Too Low - System Shut Down"
• Battery voltage is under 9 Volts.
• Check the battery charge and cables.
442
4
4 "Battery Too High - System Shut Down"
• Battery voltage is over 16 Volts.
• Check the battery charge and cables.
4310
4
3 "No Alternator Output"
• The Alternator input is high after 15 seconds of engine running.
• Check alternator input J2-21 (should be low if engine is running).
4311
4
3 "Oil Pressure Low"
• Engine oil pressure low after 10 seconds of running.
• Check engine oil pressure input J2-17 (should be high if engine is run-
ning).
4322
4
3 "Loss of Engine Speed Sensor"
• Oil Pressure is present, Diesel Rpm is equal to zero and Speed Sensor
Loss Counter has timed out.
4323
4
3 "Speed Sensor Reading Invalid Speed"
• The speed sensor reading is over the maximum allowed value.
• Check the speed sensor wiring.
4352
4
3 "Coolant Temp Sensor Out Of Range High"
• Engine coolant temp value is over the maximum allowed value.
• Check the engine coolant input J2-25 (resistive).
4353
4
3 "Coolant Temp Sensor Out Of Range Low"
• Engine coolant temp value is under the minimum allowed value.
• Check the engine coolant input J2-25 (resistive).
4430
4
4 "Battery Low"
• Battery voltage is under 11 Volts.
• Check the battery charge and cables.
662
6
6 "Canbus Failure - Platform Module"
• The control system failed to receive messages from the Platform Mod-
ule. All data from Platform Module is marked invalid.
• Check wiring to the Platform Module.
666
6
6 "Canbus Failure - Engine Controller"
• MACHINE SETUP -> ENGINE = KUBOTA D/F ECM and CANbus communi-
cation is lost for 250mS.
DTC
Code
Flash
Code
Description
Item Check List
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