TM 5-3895-385-23-1
0189
Table 1. Right Console Horn Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) from C9 J1 pin C to
to next malfunction.
C9 J2 pin C (WP 0451, Vol 3,
Figure 51).
2. If no continuity is present,
replace damaged
communication cable (WP 0386,
Vol 2).
8. Communication cable C9 has
1. Measure for continuity (WP
1. If continuity is present, replace
short circuit.
0443, Vol 3) from C9 J1 pin A to
damaged communication cable
every other pin on C9 J1 (WP
(WP 0386, Vol 2).
0451, Vol 3, Figure 51).
2. If no continuity is present,
proceed to next test.
2. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) from C9 J1 pin B to
damaged communication cable
every other pin on C9 J1 (WP
(WP 0386, Vol 2).
0451, Vol 3, Figure 51).
2. If no continuity is present,
proceed to next test.
3. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) from C9 J1 pin C to
damaged communication cable
every other pin on C9 J1 (WP
(WP 0386, Vol 2).
0451, Vol 3, Figure 51).
2. If no continuity is present,
proceed to next malfunction.
9. Communication cable C5
Check communication cable C5 J1
1. If damage is found, replace
disconnected.
and J2 for proper connection and
communication cable C5 (WP
damage (WP 0451, Vol 3, Figure
0386, Vol 2).
51).
2. If communication cable is found
disconnected, reconnect
communication cable properly.
3. If no damage or loose
connection is found, proceed to
next malfunction.
10. Communication cable C5 has
1. Disconnect communication cable
an open circuit.
C5 J1 from Y7 P3 (WP 0451, Vol
3, Figure 51).
0189-6