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
Measure resistance (Volume
1.
If continuity is present,
19.
Open Circuit
proceed to Malfunction 20.
Between Engine
3, WP 0369) between engine
Wiring Harness
wiring harness connector J03
2.
If continuity is not present,
Connector J03
socket G1 (Volume 5,
replace engine wiring
Socket G1 and
WP 0800, Figure 48) and
harness. (Volume 4,
Engine Wiring
engine wiring harness
WP 0510) Restore machine to
Harness Connector
connector P05 socket 3.
original condition and perform
P05 Socket 3.
(Volume 5, WP 0800, Figure
Harness Diagnostic Mode
57) Note reading.
Test. (Volume 3, WP 0345)
Measure resistance (Volume
1.
If continuity is present,
20.
Open Circuit
proceed to Malfunction 21.
Between Engine
3, WP 0369) between engine
Wiring Harness
wiring harness connector J03
2.
If continuity is not present,
Connector J03
socket G2 (Volume 5,
replace engine wiring
Socket G2 and
WP 0800, Figure 48) and
harness. (Volume 4,
Engine Wiring
engine wiring harness
WP 0510) Restore machine to
Harness Connector
connector P05 socket 2.
original condition and perform
P05 Socket 2.
(Volume 5, WP 0800, Figure
Harness Diagnostic Mode
57) Note reading.
Test. (Volume 3, WP 0345)
Measure resistance (Volume
1.
If between 90 - 120 kohms,
21.
Resistance
proceed to Malfunction 1.
Between ECU
3, WP 0369) between ECU
Connector J03 Pins
connector J03 pins G1 and
2.
If not between 90 - 120 kohms,
G1 and G2 Not
G2. (Volume 5, WP 0800,
replace ECU. (Volume 4,
Between 90 - 120
Figure 146) Note reading.
WP 0508) Restore machine to
kohms.
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
1.
Disconnect engine wiring
22.
Engine Wiring
harness connector J03.
Harness Connector
J03 Has Damage or
(Volume 5, WP 0800, Figure
Loose Sockets.
48)
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)
If not damaged, and does not
2.
have loose sockets, proceed to
Malfunction 23.
0037-7