TM 5-3895-385-23-1
0159
Table 1. Left Conveyor Speed Coil Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Attempt to turn on left conveyor
at full speed in manual mode
(TM 5-3895-385-10).
4. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of
3) between pin 1 and 2 on W11
1.5 Volts Direct Current (VDC),
J4 (WP 0451, Vol 3, Figure 29)
turn keyless engine switch to the
while connector is plugged into
OFF position (TM 5-3895-385-
conveyor variable speed
10), and replace conveyor
hydraulic solenoid.
variable speed hydraulic
solenoid (WP 0316, Vol 2).
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. Screed controller (Electronic
1. Disconnect main wiring harness
Control Module (ECM)) has
W1 J1 from screed controller
damage or loose pin.
module ECM (WP 0451, Vol 3,
Figure 1).
2. Check screed controller module
1. If screed controller module ECM
ECM for damage or loose pin.
has damage or loose pin,
replace screed 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 J1 Pin 44 and
main wiring harness W1 J15 Pin
M (WP 0451, Vol 3, Figures 1
and 7).
2. If no continuity is present,
replace main wiring harness
(WP 0373, Vol 2).
2. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between known
to next malfunction.
good ground and main wiring
harness W1 J15 Pin O (WP
0451, Vol 3, Figure 7).
0159-2