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
42.
(continued)
Step 12.
Disconnect main harness connector P8 from lower tray connector, and
disconnect harness connector P12 from GCU connector J1 (37, figure
Check continuity
If no continuity,
From
To
replace wire no.
P8-H
P12-W
P13A20
P8-F
P12-X
P12A20
P8-D
P12-Z
P11A20
K2-X1
P12-H
P14A20
a. If no continuity, replace indicated wire.
b. If all continuity checks good, replace ECU (paragraph 4-31).
c. Perform operational check.
DC VOLTAGE FAULT INDICATOR LIT.
43.
Step 1.
While observing DC meters and indicators, momentarily set DC POWER
switch to RESET, then return to ON.
a.
If DC VOLTAGE FAULT indicator turns off (momentarily), go to
step 4.
b.
If indicator does not turn off, do step 2.
Step 2.
Test DC POWER switch 1S12 (malfunction 79).
a.
Replace switch if defective (paragraph 4-104.c) and perform
operational check.
b.
If switch tests good, do step 3.
