TM 5-3895-385-23-1
0184
Table 1. Left Console Horn Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Check fault screen for PROPEL
1. If fault is found, proceed to WP
CONTROLLER OFFLINE fault.
2. If no fault is found, proceed to
next malfunction.
2. No power to keypad.
1. Check fault screen for LEFT
1. If fault is found, turn keyless
CONSOLE BEACON KEYPAD
engine switch to the OFF
fault.
position (TM 5-3895-385-10),
and proceed to next test.
2. If no fault is found, turn keyless
engine switch to the OFF
position (TM 5-3895-385-10),
and proceed to malfunction 5.
2. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) across left keypads
to next test.
fuse (WP 0448, Vol 3, Figure 1).
2. If no continuity is present,
replace left keypads fuse (WP
0277, Vol 2).
3. Disconnect left pedestal wiring
harness W12 J4 from horn
keypad (WP 0451, Vol 3, Figure
31).
4. Turn keyless engine switch to
the AUX position (TM 5-3895-
385-10), but do not start engine.
5. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 10
3) from W12 J4 Pin 2 to W12 J4
Volts Direct Current (VDC),
Pin 3 (WP 0451, Vol 3, Figure
proceed to next test.
31).
2. If voltage reads below 10 VDC,
proceed to next malfunction.
6. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 10
3) from W12 J4 Pin 2 to W12 J4
VDC, turn keyless engine switch
Pin 6 (WP 0451, Vol 3, Figure
to the OFF position (TM 5-3895-
31).
385-10), and proceed to
malfunction 5.
0184-2