TM 5-3895-385-23-1
FIELD MAINTENANCE
BITUMINOUS MATERIAL PAVING MACHINE (BMPM)
KEYLESS ENGINE SWITCH MALFUNCTION
INITIAL SETUP:
Test Equipment
References -- Continued
Multimeter (WP 0440, Vol 3, Item 37)
WP 0383, Vol 2
Personnel Required
WP 0387, Vol 2
91L
WP 0443, Vol 3
Assistant
WP 0447, Vol 3
References
WP 0451, Vol 3
WP 0264, Vol 2
Equipment Conditions
WP 0268, Vol 2
Engine off (TM 5-3895-385-10)
WP 0373, Vol 2
WP 0374, Vol 2
WP 0375, Vol 2
TROUBLESHOOTING PROCEDURES
NOTE
The maintainer should only use this troubleshooting Work Package (WP) if directed to do so from
another troubleshooting WP.
Table 1. Keyless Engine Switch Malfunction Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. No power to keyless engine
1. Access keyless engine switch
switch.
(WP 0268, Vol 2).
2. Turn BATTERY DISCONNECT
switch to the ON position (TM 5-
3895-385-10).
3. Measure voltage (WP 0443, Vol
1. If voltage reads a minimum of 22
3) between post 30 on the
Volts Direct Current (VDC), turn
keyless engine switch (WP
keyless engine switch to the
0447, Vol 3, Figure 21) and
OFF position (TM 5-3895-385-
known good ground.
10), and proceed to next
malfunction.
2. If voltage reads below 22 VDC,
turn keyless engine switch to the
OFF position (TM 5-3895-385-
10), and proceed to next test.
