Section 4
TM 9-2320S63-20-1
TROUBLESHOOTING CHARTS
E. CODE45. LOW OIL PRESSURE
NOTE — This chart is only to be used if
1 ) All basic mechanical checks and physical inspections have been performed with no problem found and
2) Diagnosis of DDEC-II was started at step Start-1 (page 3-121) and you have now been referred here.
When Mode 02 (Historical Codes) is displayed on the DDR. additional audit trail reformation is also shown. For an understanding of this information,
refer to the example given in the Code 85 chart.
STEP/SEQUENCE
I
RESULT
I
WHAT TO DO NEXT
45.1 Multiple Code Check
l Where there any other codes besides
Code 45?
was an engine running condition
at which the oil pressure was
lower than it should have been.
Refer to page 4-1; to determine
potential causes for low oil
pressure.
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