TM 5-3895-385-23-1
0150
Table 1. Left Track Forward EDC Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Attempt to turn left track on at
maximum speed in the forward
direction using joysticks (TM 5-
3895-385-10).
4. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of
3) between main wiring harness
1.5 Volts Direct Current (VDC),
W1 J25 Pin D and main wiring
replace the propulsion pump
harness W1 J25 Pin C (WP
(WP 0320, Vol 2).
0451, Vol 3, Figure 10) while
connector is plugged into
propulsion pump.
2. If voltage reads below 1.5 VDC,
turn keyless engine switch to the
OFF position (TM 5-3895-385-
10), and proceed to next
malfunction.
3. Propel controller (Electronic
1. Disconnect main wiring harness
Control Module (ECM)) has
W1 J2 from propel controller
damage or loose pin.
module ECM (WP 0451, Vol 3,
Figure 2).
2. 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.
4. Main wiring harness has an
1. Measure for continuity (WP
1. If continuity is present, proceed
open circuit.
0443, Vol 3) between main
to next test.
wiring harness W1 J2 Pin 40 and
main wiring harness W1 J25 Pin
D (WP 0451, Vol 3, Figure 2 and
10).
2. If no continuity is present,
replace main wiring harness
(WP 0373, Vol 2).
0150-2
