TM 5-3805-294-23-1
0037
Table 1. DTC 157.03 - Fuel Rail Pressure Signal Out of Range High - Continued.
Test or Inspection
Corrective Action
Malfunction
2.
Visually inspect engine wiring
1.
If damaged or has loose
harness connector J03 for
sockets, replace engine wiring
damage or loose sockets.
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 8.
Visually inspect ECU
1.
If damaged or has loose pins,
8.
ECU Connector J03
connector J03 (Volume 5,
replace ECU. (Volume 4,
Has Damage or
Loose Pins.
WP 0800, Figure 146) for
WP 0508) Restore machine to
damage or loose pins.
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
2.
If not damaged, and does not
have loose pins, proceed to
Malfunction 9.
Measure resistance (Volume
1.
If less than 5 ohms, proceed to
9.
Open Circuit
Malfunction 10.
Between Engine
3, WP 0369) between engine
Wiring Harness
wiring harness connector J03
2.
If greater than 5 ohms, replace
Connector J03
socket G2 (Volume 5,
engine wiring harness.
Socket G2 and
WP 0800, Figure 48) and
(Volume 4, WP 0510) Restore
Engine Wiring
engine wiring harness
machine to original condition
Harness Connector
connector P05 socket 2.
and perform Harness
P05 Socket 2.
(Volume 5, WP 0800, Figure
Diagnostic Mode Test.
57) Note reading.
(Volume 3, WP 0345)
Measure resistance (Volume
1.
If less than 5 ohms, proceed to
10.
Open Circuit
Malfunction 11.
Between Engine
3, WP 0369) between engine
Wiring Harness
wiring harness connector J03
2.
If greater than 5 ohms, replace
Connector J03
socket C1 (Volume 5,
engine wiring harness.
Socket C1 and
WP 0800, Figure 48) and
(Volume 4, WP 0510) Restore
Engine Wiring
engine wiring harness
machine to original condition
Harness Connector
connector P05 socket 1.
and perform Harness
P05 Socket 1.
(Volume 5, WP 0800, Figure
Diagnostic Mode Test.
57) Note reading.
(Volume 3, WP 0345)
0037-4