CORE AS 3351449 - Caterpillar

Illustration 1 g00812216
3176C and 3196 oil pressure map 3406E Engine
The engine has been running for at least 10 seconds. This 10 second delay begins once the engine speed is within 50 rpm of the low idle setting.
Engine oil pressure is below the trip line in Illustration 2 for two seconds.
100-03 Engine Oil Pressure open/short to +batt is not active.
100-04 Engine Oil Pressure short to ground is not active.
Illustration 2 g00812312
3406E oil pressure mapSystem Response:The ECM will log the warning. The ECM will transmit a warning to the display in the cab. The ECM will reset the warning when the oil pressure is above the reset line in Illustration 1 for two seconds.
Low power
There may be a problem with the engine lubrication system.
There may be a problem with the engine oil pressure sensor.Test Step 1. Check for Diagnostic Codes.
Connect ET to the service tool connector.
Turn the keyswitch to the ON position. The engine should be off.
Check for any active diagnostic codes or logged diagnostic codes.Expected Result:There should be no diagnostic codes that are present.Results:
OK - Proceed to Test Step 2.
Not OK - Repair: Repair the diagnostic codes that are present. Refer to the appropriate topic in the "Troubleshooting With a Diagnostic Code" section of this manual.Ensure that the repair eliminates the problem.STOPTest Step 2. Perform a Check of the Engine Lubrication System.
Perform a check of the engine lubrication system. Refer to Troubleshooting, "Low Engine Oil Pressure".Expected Result:There are no problems with engine oil pressure.Results:
OK - There may be an intermittent problem.Repair: Monitor the operation of the engine.Repair the problem.Ensure that the repair eliminates the problem.STOP
Not OK - Repair: Repair the problem.Ensure that the repair eliminates the problem.STOP