TM 5-3895-385-23-1
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Table 1. Output Module Offline Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If voltage reads below 22 VDC,
turn keyless engine switch to
the OFF position (TM 5-3895-
385-10), and replace main
wiring harness (WP 0373, Vol
2).
3. Fuse blown.
1. Access fuse box (WP 0277, Vol
2).
2. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) across screed
to next malfunction.
output module fuse (WP 0447,
Vol 3, Figure 1).
2. If no continuity is present,
replace screed output module
fuse (WP 0277, Vol 2).
4. Main wiring harness has an
1. Measure for continuity (WP
1. If continuity is present, proceed
open circuit.
0443, Vol 3) between main
to next test.
wiring harness W1 J39 Pin 1 and
known good ground (WP 0451,
Vol 3, Figure 1).
2. If no continuity is present,
replace main wiring harness
(WP 0373, Vol 2).
2. Disconnect main wiring harness
W1 J4 from fuse box (WP 0451,
Vol 3, Figure 3).
3. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between main
to next test.
wiring harness W1 J3 Pin 12 and
main wiring harness W1 J4 Pin
26 (WP 0451, Vol 3, Figures 1
and 3).
2. If no continuity is present,
replace main wiring harness
(WP 0373, Vol 2).
4. Measure continuity (WP 0443,
1. If continuity is present, proceed
Vol 3) between main wiring
to next test.
harness W1 J3 Pin 11 and main
wiring harness W1 J4 Pin 26
(WP 0451, Vol 3, Figures 1 and
3).
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