TM 5-3895-385-23-1
0187
Table 1. Left Screed Horn Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 10
3) from W6 J1 Pin A to W6 J1
VDC, proceed to next test.
Pin B (WP 0451, Vol 3, Figure
20).
2. If voltage reads below 10 VDC,
turn keyless engine switch to the
OFF position (TM 5-3895-385-
10), and proceed to test 11.
10.Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 10
3) from W6 J1 Pin A to W6 J1
VDC, turn keyless engine switch
Pin C (WP 0451, Vol 3, Figure
to the OFF position (TM 5-3895-
20).
385-10), and replace left side
lower controls wiring harness
(WP 0384, Vol 2).
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.
11.Disconnect bulkhead wiring
harness W11 J1 from screed
wiring harness W6 J2 (WP 0451,
Vol 3, Figure 29).
12.Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
13.Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 10
3) from W11 J1 Pin G to W11 J1
VDC, replace screed wiring
Pin O (WP 0451, Vol 3, Figure
harness (WP 0384, Vol 2).
29).
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.
14.Disconnect bulkhead wiring
harness W11 J2 from main
wiring harness W1 J15 (WP
0451, Vol 3, Figure 7).
15.Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
0187-4
