TM 5-3895-385-23-1
0213
Table 1. Fuse Box Malfunction Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 22
3) between pin 3 and 4 on W1
Volts Direct Current (VDC),
J10 (WP 0451, Vol 3, Figure 3).
restore to original condition, and
proceed to next malfunction.
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).
2. Power relay malfunction.
1. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 22
3) between 24 VDC power out
VDC, proceed to next
post and ground on the power
malfunction.
relay (WP 0447, Vol 3, Figure
18).
2. If voltage reads below 22 VDC,
turn keyless engine switch to the
OFF position (TM 5-3895-385-
10), and proceed to next test.
2. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 22
3) between relay activate post
VDC, replace power relay (WP
and ground on the power relay
0277, Vol 2).
(WP 0447, Vol 3, Figure 18).
2. If voltage reads below 22 VDC,
turn keyless engine switch to the
OFF position (TM 5-3895-385-
10), and proceed to WP 0220.
3. Converter malfunction.
1. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 10
3) between 12 VDC post and
VDC, repair or replace fuse box
ground on converter (WP 0447,
(WP 0277, Vol 2).
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 next test.
2. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) across inline fuse
converter (WP 0277, Vol 2).
(WP 0447, Vol 3, Figure 20).
2. If no continuity is present,
replace inline fuse (WP 0277,
Vol 2).
0213-2