TM 5-3895-385-23-1
0187
Table 1. Left Screed Horn Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
16.Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 10
3) from W1 J15 Pin G to W1 J15
VDC, replace bulkhead wiring
Pin O (WP 0451, Vol 3, Figure
harness (WP 0377, Vol 2).
7).
2. If voltage reads below 10 VDC,
turn keyless engine switch to the
OFF position (TM 5-3895-385-
10), and proceed to next test.
17.Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between main
to next test.
wiring harness W1 J15 Pin G
and a known good ground (WP
0451, Vol 3, Figure 7).
2. If no continuity is present,
replace main wiring harness
(WP 0373, Vol 2).
18.Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between main
to next test.
wiring harness W1 J15 Pin G
and main wiring harness W1 J4
Pin 6 (WP 0451, Vol 3, Figures 3
and 7).
2. If no continuity is present,
replace main wiring harness
(WP 0373, Vol 2).
19.Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between main
main hydraulic manifold wiring
wiring harness W1 J15 Pin G
harness (WP 0373, Vol 2).
and all other pins on the main
wiring harness (WP 0451, Vol 3,
Figure 7).
2. If no continuity is present,
proceed to WP 0213.
4. Communication cable C2
Check communication cable C2 J1
1. If damage is found, replace
disconnected.
and J2 for proper connection
communication cable C2 (WP
and damage (WP 0386, Vol 2).
0386, Vol 2).
2. If communication cable is found
disconnected, reconnect
communication cable properly.
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