TM 5-3805-294-23-1
0032
TROUBLESHOOTING PROCEDURE
Table 1. DTC 110.03 - Engine Coolant Temperature Signal Out of Range High.
Test or Inspection
Corrective Action
Malfunction
1.
Verify key switch is in OFF
1.
Engine Wiring
position (TM 5-3805-294-10).
Harness Connector
T04 Has Damage or
(Volume 5, WP 0794)
Loose Sockets.
2.
Disconnect engine wiring
harness connector T04 from
engine coolant temperature
sensor. (Volume 5, WP 0800,
Figure 69)
3.
Visually inspect connector T04
1.
If damaged or has loose
for damage or loose sockets.
sockets, repair connector T04
(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 or does not
have loose sockets, proceed to
Malfunction 2.
Visually inspect engine coolant
1.
If damaged or has loose pins,
2.
Engine Coolant
temperature sensor (Volume
replace engine coolant
Temperature
temperature sensor. (Volume
Sensor Has
5, WP 0800, Figure 69) for
Damage or Loose
damage and loose pins.
3, WP 0412) Restore machine
Pins.
to 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 3.
Measure resistance (Volume
1.
If less than 10 ohms, proceed
3.
Open Circuit
to Malfunction 4.
Between Engine
3, WP 0369) between engine
Wiring Harness
wiring harness connector T04
If greater than 10 ohms,
2.
Connector T04
socket B (Volume 5, WP 0800,
replace engine wiring
Socket B and
Figure 69) and known good
harness. (Volume 4,
Ground.
ground. Note reading.
WP 0510) Restore machine to
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
0032-2