TM 5-3805-294-23-1
0043
TROUBLESHOOTING PROCEDURE
Table 1. DTC 174.03 - Fuel Temperature Signal Out of Range High.
Test or Inspection
Corrective Action
Malfunction
1.
Disconnect engine wiring
1.
Engine Wiring
harness connector T05 from
Harness Connector
fuel temperature sensor.
T05 Has Damage or
Loose Sockets.
(Volume 5, WP 0800, Figure
70)
2.
Visually inspect engine wiring
1.
If damaged or has loose
harness connector T05 for
sockets, repair connector T05
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 2.
Visually inspect fuel
1.
If damaged or has loose pins,
2.
Fuel Temperature
temperature sensor for
replace fuel temperature
Sensor Has
damage and loose pins.
Damage or Loose
sensor. (Volume 3, WP 0430)
Pins.
(Volume 5, WP 0800, Figure
Restore machine to original
70)
condition and perform Harness
Diagnostic Mode Test.
(Volume 3, WP 0345)
2.
If not damaged and does not
have loose pins, proceed to
Malfunction 3.
Measure resistance (Volume
1.
If continuity is present,
3.
Open Circuit
proceed to Malfunction 4.
Between Engine
3, WP 0369) between engine
Wiring Harness
wiring harness connector T05
2.
If continuity is not present,
Connector T05
socket B (Volume 5,
replace engine wiring
Socket B and
WP 0800, Figure 70) and
harness. (Volume 4,
Ground.
known good ground. Note
WP 0510) Restore machine to
reading.
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
1.
Turn key switch to ON position,
4.
Short to Voltage
but DO NOT START ENGINE
Source in Fuel
(TM 5-3805-294-10). (Volume
Temperature
Sensor Signal
5, WP 0794)
Circuit.
0043-2