TM 5-3895-385-23-1
0184
Table 1. Left Console Horn Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between left
left pedestal wiring harness (WP
pedestal wiring harness W12 J4
0374, Vol 2).
Pin 1 (WP 0451, Vol 3, Figure
30) and all other pins on the left
pedestal wiring harness W12 J4
(WP 0374, Vol 2).
2. If no continuity is present,
proceed to next malfunction.
23. Communication connector Y15
1. Measure for continuity (WP
1. If continuity is present, proceed
has an open circuit.
0443, Vol 3) between
to next test.
communication connector Y15
P1 Pin A and Y15 P2 Pin A (WP
0451, Vol 3, Figure 50).
2. If no continuity is present,
replace communication
connector Y15 (WP 0386, Vol 2).
2. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next test.
communication connector Y15
P1 Pin A and Y15 P3 Pin A (WP
0451, Vol 3, Figure 50).
2. If no continuity is present,
replace communication
connector Y15 (WP 0386, Vol 2).
3. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next test.
communication connector Y15
P1 Pin B and Y15 P2 Pin B (WP
0451, Vol 3, Figure 50).
2. If no continuity is present,
replace communication
connector Y15 (WP 0386, Vol 2).
4. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next test.
communication connector Y15
P1 Pin B and Y15 P3 Pin B (WP
0451, Vol 3, Figure 50).
2. If no continuity is present,
replace communication
connector Y15 (WP 0386, Vol 2).
0184-13