TM 5-3895-385-23-1
0192
Table 1. Right Screed Horn Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Check screed controller module
1. If screed controller module ECM
ECM for damage or loose pin.
has damage or loose pin,
replace screed controller module
ECM (WP 0399, Vol 2).
2. If no damage is found, proceed
to next malfunction.
19. Main wiring harness has
Check main wiring harness W1 J1
1. If main wiring harness has
damage or loose pin.
for damage or loose pin (WP 0373,
damage or loose pin, repair or
Vol 2).
replace main wiring harness
(WP 0373, Vol 2).
2. If no damage is found, proceed
to next malfunction.
20. 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 J1 Pin 20 and
main wiring harness W1 J35 Pin
A (WP 0451, Vol 3, Figure 1).
2. If no continuity is present,
replace main wiring harness
(WP 0373, Vol 2).
2. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between main
to next test.
wiring harness W1 J1 Pin 21 and
main wiring harness W1 J35 Pin
B (WP 0451, Vol 3, Figure 1).
2. If no continuity is present,
replace main wiring harness
(WP 0373, Vol 2).
3. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between main
to next malfunction.
wiring harness W1 J1 Pin 23 and
main wiring harness W1 J35 Pin
C (WP 0451, Vol 3, Figure 1).
2. If no continuity is present,
replace main wiring harness
(WP 0373, Vol 2).
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