TM 5-3895-385-23-1
0184
Table 1. Left Console Horn Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
11. Communication cable C10 has
1. Disconnect communication cable
an open circuit.
C10 J1 from Y15 P1 (WP 0451,
Vol 3, Figure 50).
2. Disconnect communication cable
C10 J2 from C11 J1 (WP 0451,
Vol 3, Figure 50).
3. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) from C10 J1 pin A
to next test.
to C10 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 C10 J1 pin B
to next test.
to C10 J2 pin B (WP 0451, Vol
3, Figure 50).
2. If no continuity is present,
replace damaged
communication cable (WP 0386,
Vol 2).
5. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) from C10 J1 pin C
to next malfunction.
to C10 J2 pin C (WP 0451, Vol
3, Figure 50).
2. If no continuity is present,
replace damaged
communication cable (WP 0386,
Vol 2).
12.Communication cable C10 has
1. Measure for continuity (WP
1. If continuity is present, replace
short circuit.
0443, Vol 3) from C10 J1 pin A
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 test.
2. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) from C10 J1 pin B
damaged communication cable
to every other pin on C10 J1
(WP 0386, Vol 2).
(WP 0451, Vol 3, Figure 50).
0184-7