TM 5-3805-294-23-1
0032
Table 1. DTC 110.03 - Engine Coolant Temperature Signal Out of Range High - Continued.
Test or Inspection
Corrective Action
Malfunction
9.
Under ECU - Data List - All,
select Engine Coolant
Temperature Input Voltage.
(Volume 3, WP 0363)
10.
Monitor Engine Coolant
Temperature Voltage while
gently wiggling engine wiring
harness between connectors
J03 and T04. Note any
fluctuations in voltage. Input
voltage will increase to
approximately 5V when sensor
circuit is open.
11.
When finished monitoring,
select Readings and select
Disconnect From Model(s).
(Volume 3, WP 0363)
12.
Select Yes to terminate your
readings connection. (Volume
3, WP 0363)
13.
Turn key switch to OFF
1.
If voltage fluctuated, replace
position. (TM 5-3805-294-10)
engine wiring harness.
(Volume 5, WP 0794)
(Volume 4, WP 0510) Restore
machine to original condition
and perform Harness
Diagnostic Mode Test.
(Volume 3, WP 0345)
If voltage did not fluctuate,
2.
proceed to Malfunction 14.
1.
Replace sockets in engine
14.
Engine Wiring
wiring harness connector T04
Harness Connector
T04 Sockets and
(Volume 4, WP 0511) or
Engine Coolant
replace engine wiring
Temperature
harness. (Volume 4,
Sensor Are Faulty.
WP 0510)
2.
Replace engine coolant
temperature sensor. (Volume
3, WP 0412)
3.
Turn key switch to ON position,
but DO NOT START ENGINE.
(TM 5-3805-294-10) (Volume
5, WP 0794)
0032-8