TM 5-3895-385-23-1
0189
Table 1. Right Console Horn Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) from C1 J1 pin C to
damaged communication cable
every other pin on C1 J1 (WP
(WP 0386, Vol 2).
0451, Vol 3, Figure 51).
2. If no continuity is present,
proceed to next malfunction.
18. Communication cable C14
Check communication cable C14 J1
1. If damage is found, replace
disconnected.
and J2 for proper connection and
communication cable C14 (WP
damage (WP 0451, Vol 3, Figure
0386, Vol 2).
48).
2. If communication cable is found
disconnected, reconnect
communication cable properly.
3. If no damage or loose
connection is found, proceed to
next malfunction.
19. Communication cable C14 has
1. Disconnect communication cable
an open circuit.
C14 J1 from Y8 P3 (WP 0451,
Vol 3, Figure 48).
2. Disconnect communication cable
C14 J2 from Y9 P1 (WP 0451,
Vol 3, Figure 48).
3. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) from C14 J1 pin A
to next test.
to C14 J2 pin A (WP 0451, Vol
3, Figure 48).
2. If no continuity is present,
replace damaged
communication cable (WP 0386,
Vol 2).
4. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) from C14 J1 pin B
to next test.
to C14 J2 pin B (WP 0451, Vol
3, Figure 48).
2. If no continuity is present,
replace damaged
communication cable (WP 0386,
Vol 2).
0189-11
