TM 5-3895-385-23-1
0184
Table 1. Left 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 J2 Pin 21 and
Vol 2).
all other pins on the main wiring
harness W1 J2 (WP 0451, Vol 3,
Figure 2).
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 J2 Pin 22 and
Vol 2).
all other pins on the main wiring
harness W1 J2 (WP 0451, Vol 3,
Figure 2).
2. If no continuity is present,
proceed to next malfunction.
20. Left pedestal wiring harness
1. Check left pedestal wiring
1. If left pedestal wiring harness
has damage or loose pin.
harness W12 J7 for damage or
has damage or loose pin, repair
loose pin (WP 0374, Vol 2).
or replace left pedestal wiring
harness (WP 0374, Vol 2).
2. If no damage is found, proceed
to next malfunction.
2. Check left pedestal wiring
1. If left pedestal wiring harness
harness W12 J4 for damage or
has damage or loose pin, repair
loose pin (WP 0374, Vol 2).
or replace left pedestal wiring
harness (WP 0374, Vol 2).
2. If no damage is found, proceed
to next malfunction.
21. Left pedestal wiring harness
1. Measure for continuity (WP
1. If continuity is present, proceed
has an open circuit.
0443, Vol 3) between left
to next test.
pedestal wiring harness W12 J4
Pin 4 and left pedestal wiring
harness W12 J7 Pin A (WP
0451, Vol 3, Figure 30).
2. If no continuity is present,
replace left pedestal wiring
harness (WP 0374, Vol 2).
0184-11
