TM 55-1730-229-12
AG 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/1
Table 4-2. Organizational Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
(continued)
87.
k.
Disconnect battery and
check control panel switches 1S5
(BATTERY OUTPUT), 1S12
(DC POWER), and 1S2 (MASTER SWITCH)
Replace any defective switch. If all
(see malfunction 79).
switches test good, do
step 1.
1.
Teat diode 1CR6 (malfunction 99). Replace diode if
defective. If diode tests good, do step m.
Remove battery charger access cover. Disconnect main harness
m.
connector P7 from control panel connector J7. Check for
continuity between the following points (see FO-1 and FO-5):
If no continuity,
Check continuity
From
replace wire no.
To
P40B20
P7-1L
K3-X2
P39A20
1S12-4
1S5-3
P45A20
1S12-5
1S2-9
1S2-8
P53A20N
1DS21(-)
Replace any open wire.
SPEED SENSOR MALFUNCTION.
88.
If the speed sensor is suspected of malfunctioning, teat the sensor and engine
harness as follows:
a.
Disconnect battery.
b.
Remove engine access cover (paragraph 4-15).
Cut and remove lockwire from speed sensor electrical
c.
connector (1, figure 4-31).
Check resistance between pins A and C of speed sensor.
d.
Resistance should he less than 20 ohms. If resistance is
greater than 20 ohms, replace speed sensor (paragraph 4-40).
e.
Check resistance between pin B of speed sensor and housing.
If resistance is greater than 1 ohm, replace speed sensor.
