C4.4 and C6.6 Industrial Engines and Engines for Caterpillar Built Machines Caterpillar


E360 Low Engine Oil Pressure

Usage:

C4.4 444


Conditions Which Generate This Code:

The ECM detects low engine oil pressure under the following conditions:

360-1

  • The engine has been running for at least ten seconds.

  • There are no active diagnostic codes for the oil pressure sensor or for the atmospheric pressure sensor.

  • Engine oil pressure is in the "LEVEL 1" area in Illustration 1 for eight seconds.

Note: The warning will be cancelled if the oil pressure rises 21 kPa (3 psi) above the set point for 20 seconds.

360-2

  • The engine has been running for at least ten seconds.

  • There are no active diagnostic codes for the oil pressure sensor or for the atmospheric pressure sensor.

  • Engine oil pressure is in the "LEVEL 2" area in Illustration 2 for eight seconds.

Note: The derate will be cancelled if the oil pressure rises 21 kPa (3 psi) above the set point for 20 seconds.

360-3

  • The engine has been running for at least ten seconds.

  • There are no active diagnostic codes for the oil pressure sensor or for the atmospheric pressure sensor.

  • Engine oil pressure is in the "LEVEL 3" area in Illustration 3 for four seconds.




Illustration 1g01269377

Level 1 engine oil pressure versus engine speed




Illustration 2g01269382

Level 2 engine oil pressure versus engine speed




Illustration 3g01269384

Level 3 engine oil pressure versus engine speed

System Response:

360-1

The warning lamp will flash while the warning is active.

The Electronic Control Module (ECM) will generate a 46 flash code that will be displayed via the diagnostic lamp.

The ECM will generate a E360-1 event code.

The ECM will generate a SPN 100-FMI 17 event code on the J1939 data link. The event code may be displayed on a receiving device on the J1939 data link.

360-2

The warning lamp will flash while the derate is active.

The ECM will generate a 46 flash code that will be displayed via the diagnostic lamp.

The ECM will generate a E360-2 event code.

The electronic service tool will display "Engine Derate" in the first "Engine Status" box on any status screen on the electronic service tool.

The ECM will generate a SPN 100-FMI 18 event code on the J1939 data link. The event code may be displayed on a receiving device on the J1939 data link.

360-3

The warning lamp will flash.

The ECM will generate a 46 flash code that will be displayed via the diagnostic lamp.

The ECM will generate a E360-3 event code.

The ECM will generate a SPN 100-FMI 01 event code on the J1939 data link. The event code may be displayed on a receiving device on the J1939 data link.

360-1

Engine operation is not affected.

360-2

The ECM will derate power by 17.0 percent per second up to a maximum of 100 percent while the derate is active.

Note: The derate of the engine will only occur if the "Enable Derate" customer programmable parameter has been enabled.

360-3

The engine will shut down.

Note: The shutdown of the engine will only occur if the "Enable Shutdown" customer programmable parameter has been enabled.

Test Step 1.

Refer to Troubleshooting, "Low Engine Oil Pressure".

Results:

  • OK - STOP

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