TM 5-3895-385-23-1
0184
Table 1. Left Console Horn Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
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 C10 J1 pin C
damaged communication cable
to every other pin on C10 J1
(WP 0386, Vol 2).
(WP 0451, Vol 3, Figure 50).
2. If no continuity is present,
proceed to next malfunction.
13. Communication cable C16
Check communication cable C16 J1
1. If damage is found, replace
disconnected.
and J2 for proper connection and
communication cable C16 (WP
damage (WP 0386, Vol 2).
0386, Vol 2).
2. If communication cable is found
disconnected, reconnect
communication cable properly.
3. If no damage or loose
connection is found, proceed to
next malfunction.
14. Communication cable C16 has
1. Disconnect communication cable
an open circuit.
C16 J1 from Y16 P1 (WP 0451,
Vol 3, Figure 50).
2. Disconnect communication cable
C16 J2 from Y15 P2 (WP 0451,
Vol 3, Figure 50).
3. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) from C16 J1 pin A
to next test.
to C16 J2 pin A (WP 0451, Vol
3, Figure 50).
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 C16 J1 pin B
to next test.
to C16 J2 pin B (WP 0451, Vol
3, Figure 50).
2. If no continuity is present,
replace damaged
communication cable (WP 0386,
Vol 2).
0184-8
