TM 5-3895-385-23-1
0187
Table 1. Left Screed 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 main
main hydraulic manifold wiring
wiring harness W1 J12 Pin C
harness (WP 0373, Vol 2).
and all other pins on the main
wiring harness W1 J12 (WP
0451, Vol 3, Figure 7).
2. If no continuity is present,
proceed to next malfunction.
12. Bulkhead wiring harness has an
1. Measure for continuity (WP
1. If continuity is present, proceed
open circuit.
0443, Vol 3) between bulkhead
to next test.
wiring harness W11 J2 Pin A
and W11 J1 Pin A (WP 0451,
Vol 3, Figure 29).
2. If no continuity is present,
replace bulkhead wiring harness
(WP 0377, Vol 2).
2. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between bulkhead
to next test.
wiring harness W11 J2 Pin B
and W11 J1 Pin B (WP 0451,
Vol 3, Figure 29).
2. If no continuity is present,
replace bulkhead wiring harness
(WP 0377, Vol 2).
3. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between bulkhead
to next malfunction.
wiring harness W11 J2 Pin C
and W11 J1 Pin C (WP 0451,
Vol 3, Figure 29).
2. If no continuity is present,
replace bulkhead wiring harness
(WP 0377, Vol 2).
13. Bulkhead wiring harness has a
1. Measure for continuity (WP
1. If continuity is present, replace
short circuit.
0443, Vol 3) between bulkhead
bulkhead hydraulic manifold
wiring harness W11 J2 Pin A
wiring harness (WP 0377, Vol 2).
and all other pins on the
bulkhead wiring harness W11 J2
(WP 0451, Vol 3, Figure 29).
2. If no continuity is present,
proceed to next test.
0187-10