TM 5-3895-385-23-1
0184
Table 1. Left Console Horn Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
28. Communication connector Y16
1. Measure for continuity (WP
1. If continuity is present, replace
has a short circuit.
0443, Vol 3) between
communication connector Y16
communication connector Y16
(WP 0386, Vol 2).
P1 Pin A and all other pins on
Y16 P1 (WP 0451, Vol 3, Figure
50).
2. If no continuity is present,
proceed to next test.
2. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between
communication connector Y16
communication connector Y16
(WP 0386, Vol 2).
P1 Pin B and all other pins on
Y16 P1 (WP 0451, Vol 3, Figure
50).
2. If no continuity is present,
proceed to next test.
3. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between
communication connector Y16
communication connector Y16
(WP 0386, Vol 2).
P1 Pin C and all other pins on
Y16 P1 (WP 0451, Vol 3, Figure
50).
2. If no continuity is present,
replace screed controller and
output module ECMs (WP 0399,
Vol 2).
END OF WORK PACKAGE
0184-18