TM 5-3895-385-23-1
0189
Table 1. Right Console Horn Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between main
main wiring harness (WP 0373,
wiring harness W1 J1 Pin 21 and
Vol 2).
all other pins on the main wiring
harness W1 J1 (WP 0451, Vol 3,
Figure 1).
2. If no continuity is present,
proceed to next test.
3. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between main
main wiring harness (WP 0373,
wiring harness W1 J1 Pin 23 and
Vol 2).
all other pins on the main wiring
harness W1 J1 (WP 0451, Vol 3,
Figure 1).
2. If no continuity is present,
proceed to next malfunction.
25. Output module (ECM) has
1. Disconnect main wiring harness
damage or loose pin.
W1 J39 from output module
ECM (WP 0451, Vol 3, Figure 1).
2. Check output module ECM for
1. If output module ECM has
damage or loose pin.
damage or loose pin, replace
screed controller module ECM
(WP 0399, Vol 2).
2. If no damage is found, proceed
to next malfunction.
26. Main wiring harness has
Check main wiring harness W1 J39
1. If main wiring harness has
damage or loose pin.
for damage or loose pin (WP 0373,
damage or loose pin, repair or
Vol 2).
replace main wiring harness
(WP 0373, Vol 2).
2. If no damage is found, proceed
to next malfunction.
27. 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 J39 Pin 3 and
main wiring harness W1 J5 Pin
A (WP 0451, Vol 3, Figure 1).
2. If no continuity is present,
replace main wiring harness
(WP 0373, Vol 2).
0189-14