TM 5-3895-385-23-1
0088
Table 1. Engine Fails to Crank Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Relay malfunction.
1. Access engine enable relay (WP
0277, Vol 2).
2. Turn and hold keyless engine
switch to the ON position. (TM 5-
3895-385-10).
3. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 22
3) from known good ground to
VDC, replace main wiring
relay connection point 30 (WP
harness (WP 0373, Vol 2).
0447, Vol 2, Figure 4) on engine
enable relay (WP 0447, Vol 3,
Figure 3).
2. If voltage reads below 22 VDC,
proceed to next test.
4. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 22
3) from known good ground to
VDC, proceed to next test.
relay connection point 87 (WP
0447, Vol 2, Figure 4) on engine
enable relay (WP 0447, Vol 3,
Figure 3).
2. If voltage reads below 22 VDC,
proceed to malfunction 10.
5. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 10
3) from known good ground to
VDC, replace engine enable
relay connection point 86 (WP
relay (WP 0277, Vol 2).
0447, Vol 3, Figure 4) on engine
enable relay (WP 0447, Vol 3,
Figure 3).
2. If voltage reads below 10 VDC,
proceed to next malfunction.
6. Propel controller (ECM) has
1. Turn BATTERY DISCONNECT
damage or loose pin.
switch to OFF.
2. Disconnect main wiring harness
W1 J2 from propel controller
module ECM (WP 0399, Vol 2).
0088-4
