TM 5-3805-294-23-1
0038
Table 1. DTC 157.04 - Fuel Rail Pressure Signal Out of Range Low - Continued.
Test or Inspection
Corrective Action
Malfunction
11.
Turn key switch to OFF
1.
If above 4.5 volts, proceed to
position (TM 5-3805-294-10).
Malfunction 2.
(Volume 5, WP 0794)
2.
If below 4.5 volts, proceed to
Malfunction 8.
1.
Disconnect engine wiring
2.
Engine Wiring
harness connector P05.
Harness Connector
P05 Has Damage or
(Volume 5, WP 0800, Figure
Loose Sockets.
57)
2.
Visually inspect engine wiring
1.
If damaged or has loose
harness connector P05 for
sockets, repair connector P05
damage and loose sockets.
(Volume 4, WP 0511) or
replace engine wiring
harness. (Volume 4,
WP 0510) Restore machine to
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
2.
If not damaged and does not
have loose sockets, proceed to
Malfunction 3.
1.
Remove fuel rail pressure
3.
Fuel Rail Pressure
Sensor Faulty.
sensor. (Volume 3, WP 0429)
2.
Measure resistance (Volume
3, WP 0369) between pins 1
and 2 on fuel rail pressure
sensor. (Volume 5, WP 0800,
Figure 57) Note reading.
3.
Measure resistance between
pins 1 and 3 on fuel rail
pressure sensor. Note
reading.
4.
Measure resistance between
pins 2 and 3 on fuel rail
pressure sensor. Note
reading.
0038-3