TM 5-3895-385-23-1
0192
Table 1. Right Screed Horn Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Measure for continuity (WP
1. If no continuity is present,
0443, Vol 3) across screed
replace screed keypads fuse
keypads fuse (WP 0447, Vol 3,
(WP 0277, Vol 2).
Figure 1).
2. If continuity is present, proceed
to next test.
4. Disconnect right side lower
controls wiring harness W2 J1
from horn keypad (WP 0451, Vol
3, Figure 2).
5. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
6. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 10
3) from W2 J1 Pin 2 to W2 J1
Volts Direct Current (VDC),
Pin 3 (WP 0451, Vol 3, Figure
proceed to next test.
2).
2. If voltage reads below 10 VDC,
proceed to next malfunction.
7. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 10
3) from W2 J1 Pin 2 to W2 J1
VDC, turn keyless engine switch
Pin 6 (WP 0451, Vol 3, Figure
to the OFF position (TM 5-3895-
2).
385-10), and proceed to
malfunction 4.
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.
8. Disconnect screed wiring
harness W6 J5 from right side
lower controls wiring harness
W2 J5 (WP 0451, Vol 3, Figure
22).
9. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
0192-3
