TM 5-3805-294-23-1
0028
Table 1. DTC 105.15 - Manifold Air Temperature Signal Slightly High - Continued.
Test or Inspection
Corrective Action
Malfunction
2.
Turn the key switch to the ON
position, but DO NOT START
ENGINE (TM 5-3805-294-10).
(Volume 5, WP 0794)
3.
Refresh DTCs. Note if DTC
105.03 is an active DTC.
(Volume 3, WP 0362)
4.
Turn the key switch to the OFF
1.
If DTC 105.03 is an active
position (TM 5-3805-294-10).
DTC, problem was not found
and may have been missed
(Volume 5, WP 0794)
during troubleshooting. Install
MAT sensor (Volume 3,
WP 0439) and reconnect all
connectors. Restart procedure
at Malfunction 1.
2.
If DTC 105.03 is not an active
DTC, Malfunction 10.
1.
Disconnect engine wiring
10.
Check For DTC
harness connector J03 from
105.03 Active
Status With Engine
ECU. (Volume 5, WP 0800,
Wiring Harness
Figure 48)
Connector J03
Disconnected.
2.
Turn the key switch to the ON
position, but DO NOT START
ENGINE (TM 5-3805-294-10).
(Volume 5, WP 0794)
3.
Refresh DTCs. Many new
codes will be active. Only note
if DTC 105.03 is an active
DTC. (Volume 3, WP 0362)
4.
Turn the key switch to the OFF
1.
If DTC 105.03 is an active
position (TM 5-3805-294-10).
DTC, proceed to Malfunction
11.
(Volume 5, WP 0794)
2.
If DTC 105.03 is not an active
DTC, replace ECU. (Volume 4,
WP 0508) Restore machine to
original condition and operate
engine through normal speed
and load (TM 5-3805-294-10).
(Volume 5, WP 0794) Clear
and refresh DTCs. (Volume 3,
WP 0362)
0028-6