JLG ERT2669, Руководство по обслуживанию и ремонту

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SECTION 5 - JLG CONTROL SYSTEM
5-28 31215923
437 4 3 “Engine Trouble Code (190:0 - Engine
Overrun)”
Engine Will Shutdown. • ECU is detecting the Engine Speed is higher than 2990 rpm.
437 4 3 "Engine Trouble Code (3509:4 - Sensor
Supply Voltage Low)”
No Response. • ECU is detecting the Voltage to the Sensor is below 4.0V.
• Check Sensor for damage or faulty wiring.
437 4 3 “Engine Trouble Code (523736:2 - Starter
Error)”
No Response. • ECU is detecting the Starter has run longer than 12 seconds.
• Check Starter for damage or faulty wiring.
437 4 3 "Engine Trouble Code (523737:2 - Alterna-
tor L Terminal Abnormal)"
No Response. • ECU is detecting the Alternator L Terminal has Voltage after
power on when the engine is not running.
• Check Alternator for damage or faulty wiring.
437 4 3 "Engine Trouble Code (523738:2 -
Charging Failure)"
No Response. • ECU is detecting the Alternator L Terminal has 0V when the
Engine is running.
• Check Alternator for damage or faulty wiring.
437 4 3 "Engine Trouble Code (523774:2 - Can
Communication Abnormal)"
No Response. • ECU is detecting No CAN Bus Communication.
437 4 3 "Engine Trouble Code (523771:5 - Actua-
tor Abnormal)"
Engine Will Shutdown. • ECU is detecting the Actuator as an Open Circuit. Actuator
current is greater than 3A or less than 80mA.
• Check Actuator for damage or faulty wiring.
437 4 3 "Engine Trouble Code (523771:6 - Actua-
tor Abnormal)"
Engine Will Shutdown. • ECU is detecting the Actuator as a Short Circuit. Actuator cur-
rent is greater than 3A or less than 80mA.
• Check Actuator for damage or faulty wiring.
437 4 3 "Engine Trouble Code (523772:2 - Engine
Speed Sensor Lost)"
Engine Will Run at High Idle. • ECU is detecting the Engine Speed is 0 rpm after the Engine
has started.
• Check sensor for an Open or Short Circuit.
437 4 3 "Engine Trouble Code (102:3 - Intake Man-
ifold Pressure Voltage High)"
Engine Will Limit RPM to 2500 and
Throttle to 30%. • ECU is detecting the Intake Manifold Pressure Sensor Volt-
age is greater than or equal to 4.9V.
• Check Sensor for damage or faulty wiring.
437 4 3 “Engine Trouble Code (102:4 - Intake Man-
ifold Pressure Voltage Low)”
Engine Will Limit RPM to 2500 and
Throttle to 30%. • ECU is detecting the Intake Manifold Pressure Sensor Volt-
age is less than or equal to 0.1V.
• Check Sensor for damage or faulty wiring.
437 4 3 "Engine Trouble Code (105:3 - Intake Man-
ifold Temperature Voltage High)"
Engine Will Limit Throttle to 30%. • ECU is detecting the Intake Manifold Temperature Sensor
Voltage is greater than or equal to 4.6V.
• Check Sensor for damage or faulty wiring.
437 4 3 "Engine Trouble Code (105:4 - Intake Man-
ifold Temperature Voltage Low)"
Engine Will Limit Throttle to 30%. • ECU is detecting the Intake Manifold Temperature Sensor
Voltage is less than 0.1V.
• Check Sensor for damage or faulty wiring.
437 4 3 "Engine Trouble Code (110:3 - Engine
Coolant Sensor Voltage High)"
Engine Will Limit Throttle to 30%. • ECU is detecting the Coolant Temp Sensor Voltage is greater
than or equal to 4.9V.
• Check sensor for an Open Circuit or Short to Battery.
437 4 3 "Engine Trouble Code (110:4 - Engine
Coolant Sensor Voltage Low)"
Engine Will Limit Throttle to 30%. • ECU is detecting the Coolant Temp Sensor Voltage is less or
equal to 0.1V.
• Check sensor for a Short to Ground.
437 4 3 "Engine Trouble Code (190:0 - Engine
Overrun)"
Engine Will Shutdown. • ECU is detecting the Engine Speed is higher than 4300 rpm.
437 4 3 "Engine Trouble Code (51:3 - TPS1 Signal
Voltage High)"
Engine Will Shutdown. • ECU is detecting the TPS 1 Voltage is greater than or equal to
4.8V.
• Check TPS for damage or faulty wiring.
DTC
Code
Flash
Code
Description Action Item Check List