Injection Disabled

→If a SHUTDOWN is active, Injection Disabled will appear on Status Flags Caterpillar ET.
→An Engine shutdown event will appear on a CAN J1939 device if the device is capable of displaying Diagnostic Codes.

→No active error on Engine's display (such as: Murphy PowerView, etc), but Engine can't STARTS (Cranking only). 

#Possible Causes:
1). Engine Overspeed Shutdown

• The Operator may be operating the Engine incorrectly.
• The "Engine Overspeed" parameter may be incorrectly programmed for the application, use Caterpillar ET to view the parameter setting for Engine Overspeed.

2). 75% Overspeed Verify Switch (OS Verify)

• Faulty on wiring, switches, or connectors.
• Check the 75% Overspeed Verify Switch (If installed), it will sending "Ground Signal" to the ECM while activated (Overspeed Test Switch).
• ECM pin 54 (C-15 Engine).

3). Low Engine Coolant Level Shutdown

• The Engine has been running for one minute and the Coolant Level is not being detected by the Coolant Level Sensor. .
• Check the Engine Coolant Level.
• Check on Caterpillar ET, Status - Configuration Tool for Coolant Level Sensor (Installed or Not Installed).

• Check settings on Monitoring System - Low Coolant Level
• ECM pin 49 (C-15 Engine).

4). Remote Shutdown Switch

• Check for additional "Remote Shutdown Switch" on the Engine Sensor Shutdown System (If installed).
• ECM pin 44 (C-15 Engine).
• Check on Caterpillar ET (through Status Tool), and monitor User Shutdown (Value: On/Off), Remote Emergency Stop (E-Stop) Switch Position (Value: On/Off), or Start/Run/Stop Switch (Value: Run/Stop).

# Start/Run/Stop Switch (Ignition Switch)

#User Shutdown