TM 5-3805-294-23-1
0026
Table 1. DTC 105.03 - Manifold Air Temperature Signal Out Of Range High - Continued.
Test or Inspection
Corrective Action
Malfunction
1.
Turn key switch to ON position,
4.
MAT Sensor Signal
but DO NOT START ENGINE
Wire Voltage Below
(TM 5-3805-294-10). (Volume
5.5 Volts.
5, WP 0794)
2.
Measure voltage (Volume 3,
WP 0369) between pins A and
B on engine wiring harness
connector T02. (Volume 5,
WP 0800, Figure 68) Note
reading.
3.
Turn key switch to OFF
1.
If greater than 5.5 volts,
position (TM 5-3805-294-10).
proceed to Malfunction 5.
(Volume 5, WP 0794)
2.
If less than 5.5 volts, proceed
to Malfunction 8.
1.
Disconnect engine wiring
5.
Engine Wiring
harness connector J03.
Harness Connector
J03 Has Damage or
(Volume 5, WP 0800, Figure
Loose Sockets.
48)
2.
Visually inspect engine wiring
1.
If damaged or has loose
harness connector J03 for
sockets, replace engine wiring
damage and loose sockets.
harness. (Volume 4,
WP 0510) Restore machine to
original condition and perform
Harness Diagnostic Mode
Test. (Volume 3, WP 0345)
If not damaged and does not
2.
have loose sockets, proceed to
Malfunction 6.
1.
Disconnect engine wiring
6.
Wire to Wire Short
harness connector J01.
in Engine Wiring
Harness.
(Volume 5, WP 0800, Figure
46)
2.
Measure the resistance
1.
If any measurement was less
than 100 kohms, replace
(Volume 3, WP 0369)
engine wiring harness.
between engine wiring
harness connector J03 socket
(Volume 4, WP 0510) Restore
F1 and all other sockets on
machine to original condition
engine wiring harness
and perform Harness
connectors J03 (Volume 5,
Diagnostic Mode Test.
WP 0800, Figure 48) and
(Volume 3, WP 0345)
J01. (Volume 5, WP 0800,
2.
If all measurements were
Figure 46)
greater than 100 kohms,
Note readings.
proceed to Malfunction 7.
0026-3