TM 5-3805-294-23-1
0037
Table 1. DTC 157.03 - Fuel Rail Pressure Signal Out of Range High
Test or Inspection
Corrective Action
Malfunction
Visually inspect ECU
1.
If damaged or has loose pins,
23.
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 24.
Measure resistance (Volume
1.
If any reading is less than 5
24.
Short Circuit
ohms, replace engine wiring
Between Engine
3, WP 0369) between engine
harness. (Volume 4,
Wiring Harness
wiring harness connector J03
Connector J03
socket C1 and all other sockets
WP 0510) Restore machine to
Socket C1 and All
on engine wiring harness
original condition and perform
Other Sockets on
connectors J03 (Volume 5,
Harness Diagnostic Mode
Engine Wiring
WP 0800, Figure 48) and
Test. (Volume 3, WP 0345)
Harness
J01. (Volume 5, WP 0800,
2.
If all readings are greater than
Connectors J03 and
Figure 46) Note readings.
5 ohms, proceed to
J01.
Malfunction 25.
Measure resistance (Volume
1.
If any reading is less than 5
25.
Short Circuit
ohms, replace engine wiring
Between Engine
3, WP 0369) between engine
harness (Volume 4,
Wiring Harness
wiring harness connector J03
Connector J03
socket C1 (Volume 5,
WP 0510) and replace engine
Socket C1 and All
interface wiring harness.
WP 0800, Figure 48) and all
Other Sockets on
other sockets on engine wiring
(Volume 4, WP 0509) Restore
Engine Interface
harness connector J02.
machine to original condition
Wiring Harness
and perform Harness
(Volume 5, WP 0800, Figure
Connector J02.
Diagnostic Mode Test.
47) Note readings.
(Volume 3, WP 0345)
2.
If all readings are greater than
5 ohms, proceed to
Malfunction 26.
0037-8