Injection Disabled on Status Flags Caterpillar ET Software

 

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

#Remote Emergency Stop (E-Stop) Switch Position

Cold Mode

No Engine Speed

It's normal to see the "No Engine Speed" on Status Flags while power switched ON or Engine Cranking. It will not go away until the Engine Starts, even when you are seeing Engine Speed in Status Tool on CAT ET Software.