TM 5-3805-292-23
0006
ELECTRICAL TROUBLESHOOTING - EC002 ENGINE OIL PRESSURE IS TOO LOW
0006
WARNING
Contact with engine/hydraulic oil can damage skin. Wear gloves when handling engine/hydraulic oil.
If oil contacts skin, wash it off immediately. Failure to follow this warning may result in injury to
personnel.
Check engine oil level (TM 5-
Okay?
Change engine oil and filter (WP 0026).
NO
3805-292-10).
YES
Perform Engine Oil Pressure
Okay?
Check (WP 0007).
NO
Remove oil pan and check for
blockage at suction screen (WP
Blocked?
Unblock suction screen.
YES
NO
Replace engine oil pump (WP
Problem
Stop.
NO
still exists.
YES
YES
Replace engine (WP 0021).
Disconnect engine oil pressure sensor
Disconnect instrument panel (IP) (WP
Check for continuity between oil
Perform Open Harness Test for circuit
pressure sensor connector FE-C5,
NO
present?
255 (WP 0173).
circuit 255 (Y) harness side, and IP
connector C23-18, circuit 255D (Y)
YES
Engine, Starting, & Charging System
and Frame 12. RH Console).
Replace engine oil pressure
sensor (WP 0148).