TM 5-3895-385-23-1
0184
Table 1. Left 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) between
to next test.
communication connector Y15
P1 Pin C and Y15 P2 Pin C (WP
0451, Vol 3, Figure 50).
2. If no continuity is present,
replace communication
connector Y15 (WP 0386, Vol 2).
6. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next malfunction.
communication connector Y15
P1 Pin C and Y15 P3 Pin C (WP
0451, Vol 3, Figure 50).
2. If no continuity is present,
replace communication
connector Y15 (WP 0386, Vol 2).
24. Communication connector Y15
1. Measure for continuity (WP
1. If continuity is present, replace
has a short circuit.
0443, Vol 3) between
communication connector Y15
communication connector Y15
(WP 0386, Vol 2).
P1 Pin A and all other pins on
Y15 P1 (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) between
communication connector Y15
communication connector Y15
(WP 0386, Vol 2).
P1 Pin B and all other pins on
Y15 P1 (WP 0451, Vol 3, Figure
50).
2. If no continuity is present,
proceed to next test.
3. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between
communication connector Y15
communication connector Y15
(WP 0386, Vol 2).
P1 Pin C and all other pins on
Y15 P1 (WP 0451, Vol 3, Figure
50).
2. If no continuity is present,
proceed to next malfunction.
0184-14
