TM 5-3895-385-23-1
0037
Table 1. SPN#157, FMI#3 ― High Signal Voltage at Rail Fuel Pressure Sensor Circuit -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If fault code SPN#157, FMI#4 is
not displayed, turn keyless
engine switch to the OFF
position (TM 5-3895-385-10),
remove jumper wire, and
proceed to malfunction.
4. Check active engine faults
1. If fault code SPN#157, FMI#3 is
screen for fault code SPN#157,
not displayed, turn keyless
FMI#3.
engine switch to the OFF
position (TM 5-3895-385-10),
remove jumper wire, and
proceed to next test.
2. If fault code SPN#157, FMI#3 is
displayed, turn keyless engine
switch to the OFF position (TM
5-3895-385-10), remove jumper
wire, and proceed to next
malfunction.
5. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
6. Measure the voltage between
1. If voltage is between 4.75 Volts
W25 C6 rail fuel pressure
Direct Current (VDC) and 5.25
connector +5 volt SUPPLY pin
VDC, turn keyless engine
(pin 3) and W25 C6 rail fuel
switch to the OFF position (TM
pressure connector RETURN
5-3895-385-10), and proceed to
pin (pin 1) (WP 0443, Vol 3 and
next test.
WP 0448, Vol 2, Figure 1).
2. If voltage is not between 4.75
VDC and 5.25 VDC, turn
keyless engine switch to the
OFF position (TM 5-3895-385-
10), and proceed to next
malfunction.
7. Restore equipment to original
condition.
8. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
Wait 30 seconds.
0037-4
