TM 5-3895-385-23-1
0185
Table 1. Left Console Lights Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If no continuity is present,
replace communication
connector Y4 (WP 0386, Vol 2).
2. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next test.
communication connector Y4 P1
Pin A and Y4 P3 Pin A (WP
0451, Vol 3, Figure 49).
2. If no continuity is present,
replace communication
connector Y4 (WP 0386, Vol 2).
3. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next test.
communication connector Y4 P1
Pin B and Y4 P2 Pin B (WP
0451, Vol 3, Figure 49).
2. If no continuity is present,
replace communication
connector Y4 (WP 0386, Vol 2).
4. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next test.
communication connector Y4 P1
Pin B and Y4 P3 Pin B (WP
0451, Vol 3, Figure 49).
2. If no continuity is present,
replace communication
connector Y4 (WP 0386, Vol 2).
5. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next test.
communication connector Y4 P1
Pin C and Y4 P2 Pin C (WP
0451, Vol 3, Figure 49).
2. If no continuity is present,
replace communication
connector Y4 (WP 0386, Vol 2).
6. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next test.
communication connector Y4 P1
Pin C and Y4 P3 Pin C (WP
0451, Vol 3, Figure 49).
0185-15