TM 5-3805-294-23-1
FIELD MAINTENANCE
DTC 1172.04 - COMPRESSOR INLET TEMPERATURE SIGNAL OUT OF RANGE LOW
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 0486
(Volume 5, WP 0796, Table 2, Item 77)
Volume 4, WP 0508
Probe Set, Standard
Volume 4, WP 0509
(Volume 5, WP 0796, Table 2, Item 91)
Volume 4, WP 0510
Test Set, MSD Electronic Systems
Volume 4, WP 0511
(Volume 5, WP 0796, Table 2, Item 116)
Volume 5, WP 0800
Personnel Required
Equipment Condition
Construction Equipment Repairer 91L (2)
Machine safely parked and shut down (TM
5-3805-294-10). (Volume 5, WP 0794)
Test Equipment Setup for MSD and Service
References
ADVISOR. (Volume 3, WP 0375)
TM 5-3805-294-10 (Volume 5, WP 0794)
Troubleshooting Sequence
DTC 1172.04
When DTC is Displayed
Whenever the ignition is ON and the error is active.
Related Information
The compressor inlet temperature input volage drops below the sensor's low voltage specification. This corresponds
to a temperature that is higher than what is physically possible for compressor inlet temperature.
Alarm Level
Warning.
Control Unit Response
The ECU uses a default compressor inlet temperature of 86F (30C).
The ECU will try to maintain the engine operating envelope.
0099-1