TM 55-1730-229-12
AG 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/1
Table 4-2.
Organizational Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
(continued)
15.
Check continuity
If no continuity,
replace wire no.
From
To
E28B20
1S8-4
J5-11R
E27A20
1S10-8
1S8-5
E32A20
1S10-7
1S12-7
E39A20N
1S12-8
J5-1OL
E39B20N
P5-10R
Ground
a.
If no continuity, replace indicated wire.
If all continuity checks good, replace ECU (paragraph 4-31).
b.
b.
Perform operational check.
Step 15.
Remove hydraulic module front panel (2, figure 1-10) for access to
terminal boards 4TB1 through 4TB3. Remove hydraulic electrical
panel (paragraph 4-90) for access to switch 4S1. Check for
continuity between 4TB1-7 and 4S1-5, and between 4TB1-6 and 4S1-4
(see FO-3, sheet 1).
If no continuity, replace wire c110C16 or C106A16.
a.
If continuity wires (C106C16, C106B16, C110A16, or C110B16)
b.
are open. These wires are not accessible at organizational
level. Notify maintenance supervisor.
ENGINE MOTORS WHEN ENGINE CONTROL SWITCH IS HELD IN START POSITION BUT STOPS
16.
WHEN SWITCH IS RELEASED TO RUN POSITION.
Step 1.
Test ENGINE CONTROL switch 1S1 (see malfunction 79).
a. Replace switch if defective (paragraph 4-104.a), and perform
operational check.
b.
If switch tests good, do step 2.
Step 2.
Test starter latching relay 3K2 (see malfunction 84).
a. Replace relay if defective (paragraph 4-36), and perform
operational check.
