TM 5-3895-385-23-1
0038
Table 1. SPN#157, FMI#4 ― Low Signal Voltage at Rail Fuel Pressure Sensor Circuit -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Check active engine faults
1. If fault code SPN#3510, FMI#4
screen for fault code
is displayed, turn keyless
SPN#3510, FMI#4.
engine switch to the OFF
position (TM 5-3895-385-10),
and proceed to SPN#3510,
FMI#4 troubleshooting
procedure.
2. If fault code SPN#3510, FMI#4
is not displayed, proceed to
next test.
5. Turn keyless engine switch to
the OFF position (TM 5-3895-
385-10).
6. Turn BATTERY DISCONNECT
switch to the OFF position (TM
5-3895-385-10) and wait for 5
seconds.
7. Turn BATTERY DISCONNECT
to the ON position (TM 5-3895-
385-10).
8. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
Wait 30 seconds.
9. Check active engine faults
1. If fault code SPN#157, FMI#4 is
screen for fault code SPN#157,
displayed, turn keyless engine
FMI#4.
switch to the OFF position (TM
5-3895-385-10), and proceed to
next malfunction.
2. If fault code SPN#157, FMI#4 is
not displayed, turn keyless
engine switch to the OFF
position (TM 5-3895-385-10).
No fault present; restore
equipment to original condition.
2. Rail fuel pressure sensor and
1. Disconnect engine ECM wiring
circuit fault.
harness connector W25 C6
from rail fuel pressure sensor
(WP 0451, Vol 3, Figure 45).
0038-2
