TM 5-3895-385-23-1
0088
Table 1. Engine Fails to Crank Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Check propel controller module
1. If propel controller module ECM
ECM for damage or loose pin.
has damage or loose pin,
replace propel controller module
ECM (WP 0399, Vol 2).
2. If no damage is found, proceed
to next malfunction.
7. Main wiring harness has
Check main wiring harness W1 J2
1. If main wiring harness has
damage or loose pin.
for damage or loose pin (WP 0451,
damage or loose pin, repair or
Vol 3, Figure 2).
replace main wiring harness
(WP 0373, Vol 2).
2. If no damage is found, proceed
to next malfunction.
8. Main wiring harness has an
Measure for continuity (WP 0443,
1. If continuity is present, proceed
open circuit.
Vol 3) between main wiring harness
to next malfunction.
W1 J1 Pin 46 and main wiring
harness W1 J4 Pin 12 (WP 0451,
Vol 3, Figure 3).
2. If no continuity is present,
replace main wiring harness
(WP 0373, Vol 2).
9. Main wiring harness has a short
Measure for continuity (WP 0443,
1. If continuity is present, replace
circuit.
Vol 2) between main wiring harness
main hydraulic manifold wiring
W1 J4 Pin 12 and all other pins on
harness (WP 0373, Vol 2).
the main wiring harness W1 J4 (WP
0451, Vol 3, Figure 3).
2. If no continuity is present,
replace propel controller module
ECM (WP 0399, Vol 2).
10. Main wiring harness has an
Remove left pedestal access panel,
1. If continuity is present, proceed
open circuit.
and measure for continuity (WP
to next malfunction.
0443, Vol 3) between main wiring
harness W1 J11 Pin 4 (WP 0451,
Vol 3, Figure 6) and main wiring
harness W1 J4 Pin 13 (WP 0451,
Vol 3, Figure 3).
2. If no continuity is present,
replace main wiring harness
(WP 0373, Vol 2).
0088-5
