TM 5-3895-385-23-1
0012
Table 1. SPN#100, FMI#2 ― Oil Pressure Switch Sensor Circuit Error -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Inspect engine ECM wiring
1. If damaged, replace ECM
harness connector W25 C13 for
wiring harness (WP 0334, Vol
damage.
2).
2. If no damage is found, proceed
to next malfunction.
2. Incorrect resistance error in oil
Measure resistance between
1. If resistance is 10 Ohms (Ω) or
pressure switch.
engine oil pressure SIGNAL pin
more, replace oil pressure
(pin 1) of engine oil pressure
switch (WP 0333, Vol 2).
switch and ground (WP 0443, Vol
3 and WP 0448, Vol 3, Figure 14).
2. If resistance is less than 10 Ω,
proceed to next malfunction.
3. Engine ECM fault.
1. Disconnect engine ECM wiring
harness connector W25 C1
from engine ECM (WP 0451,
Vol 3, Figure 45).
2. Inspect engine ECM wiring
1. If damaged, replace engine
harness connector W25 C1 and
ECM wiring harness (WP 0334,
connector pins for damage.
Vol 2).
2. If no damage is found, proceed
to next test.
3. Inspect engine ECM connector
1. If damaged, replace engine
and connector pins for damage.
ECM (WP 0332, Vol 2).
2. If no damage is found, proceed
to next malfunction.
4. Open circuit in engine ECM
Measure resistance between
1. If resistance is 10 Ω or more,
wiring harness.
engine oil pressure SIGNAL pin
replace engine harness (WP
(pin 1) at engine ECM wiring
0334, Vol 2).
harness W25 C13 and engine oil
pressure SIGNAL pin (pin 17) at
engine harness W25 C1 (WP
0443, Vol 3 and WP 0448, Vol 3,
Figure 15).
2. If resistance is less than 10 Ω,
proceed to next malfunction.
0012-2
