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 TM 9-2320-364-20-1
2-13. DDEC II TROUBLESHOOTING (CONT).
A4 CODE 45 LOW OIL PRESSURE.
INITIAL SETUP
Tools and Special Tools
Equipment Condition
Reader, Diagnostic (Item 53, Appendix G)
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
References
TM 9-2320-364-10
START
1.
KNOWN INFO
TEST OPTIONS
CHECK ENGINE light (CEL)
DDR TEST.
Is Code 45 the only active
comes ON and stays ON.
code displayed on DDR?
REASON FOR QUESTION
POSSIBLE PROBLEMS
Other potential causes for low oil
pressure may exist. Code 45
Oil loss or pump output
indicates there was an engine
problem.
running condition at which the
oil pressure was lower than it
should have been.
Service other codes
first. Go to Fault
NO
Index (Table 2-16).
YES
Go to Engine
troubleshooting
(Para 2-16, Fault 1)).
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