TM 5-3895-385-23-1
0011
Table 1. SPN#100, FMI#1 ― Low Oil Pressure -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If not damaged or leaking,
proceed to next malfunction.
3. Oil pan leaking.
Inspect oil pan for cracks or leaks
1. If damaged or leaking, replace
(WP 0340, Vol 2).
oil pan (WP 0340, Vol 2).
2. If not damaged or leaking,
proceed to next malfunction.
4. Oil pan plug leaking.
Inspect oil pan plug for leaks or
1. If damaged, replace oil pan plug
damage (WP 0340, Vol 2).
(WP 0340, Vol 2).
2. If not damaged, proceed to next
malfunction.
5. Oil filter damaged.
Inspect oil filter for damage and
1. If damaged or leaking, replace
leaks (WP 0341, Vol 2).
oil filter (WP 0341, Vol 2).
2. If oil filter is not damaged or
leaking, proceed to next
malfunction.
6. Oil filter not installed properly.
Check oil filter for proper
1. If oil filter is properly installed,
installation (WP 0341, Vol 2).
proceed to next malfunction.
2. Install oil filter properly (WP
0341, Vol 2).
7. Crankshaft front oil seal leaking.
Inspect crankshaft front oil seal for
1. If leaking, replace crankshaft
oil leak (WP 0324, Vol 2).
front oil seal (WP 0324, Vol 2).
2. If no oil leak at front end of
crankshaft, proceed to next
malfunction.
8. Oil pressure switch or
1. Disconnect engine ECM wiring
connector pins dirty or
harness connector W25 C13
damaged.
from oil pressure switch (WP
0451, Vol 3, Figure 46).
2. Inspect engine ECM wiring
1. If damaged, replace engine
harness connector W25 C13 for
ECM wiring harness (WP 0334,
damage.
Vol 2).
2. If no damage is found, proceed
to next test.
0011-2
