TM 5-3895-385-23-1
0188
Table 1. Right Console Beacon Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
21. Main wiring harness has a short
1. Measure for continuity (WP
1. If continuity is present, replace
circuit.
0443, Vol 3) between main
main wiring harness (WP 0373,
wiring harness W1 J1 Pin 20 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.
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.
22. 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.
23. 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 0451,
damage or loose pin, repair or
Vol 3, Figure 1).
replace main wiring harness
(WP 0373, Vol 2).
2. If no damage is found, proceed
to next malfunction.
0188-12