TM 5-3805-294-23-1
FIELD MAINTENANCE
DTC 174.03 - FUEL TEMPERATURE SIGNAL OUT OF RANGE HIGH
INITIAL SETUP:
References (cont.)
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
Volume 3, WP 0345
(Volume 5, WP 0796, Table 2, Item 119)
Volume 3, WP 0362
Accessory Kit, MSD Electronic Equipment
Volume 3, WP 0363
(Volume 5, WP 0796, Table 2, Item 2)
Volume 3, WP 0369
Multimeter, Digital
Volume 3, WP 0430
(Volume 5, WP 0796, Table 2, Item 77)
Volume 4, WP 0509
Probe Set, Standard
Volume 4, WP 0510
(Volume 5, WP 0796, Table 2, Item 91)
Volume 4, WP 0511
Test Set, MSD Electronic Systems
Volume 5, WP 0800
(Volume 5, WP 0796, Table 2, Item 116)
Equipment Condition
Materials/Parts
Machine safely parked and shut down
Wire, Jumper
(TM 5-3805-294-10). (Volume 5, WP 0794)
(Volume 5, WP 0792)
Test Equipment Setup for MSD and Service
ADVISOR. (Volume 3, WP 0375)
Personnel Required
Construction Equipment Repairer 91L (2)
References
TM 5-3805-294-10 (Volume 5, WP 0794)
Troubleshooting Sequence
DTC 174.03
When DTC is Displayed
When ever ignition is ON and the error is active.
Related Information
The fuel temperature input voltage increases above the sensor's high voltage specification. This corresponds to a
temperature that is lower than what is physically possible for fuel temperature.
Alarm Level
Warning.
Control Unit Response
The ECU uses a default fuel temperature of 104F (40C). The ECU will try to maintain the engine operating
envelope.
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