ARMY
TM 5-6115-612-12
MARINE CORPS TM 6115-12/7
AIR FORCE
T0 35C2-3-471-1
NAVY
AG-320B0-0MM-000
4-10. GENERAL. (cont)
Table 4-3.
Organizational Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5.
Step 4.
Check for 24 Vdc between MASTER SWITCH S1 pin 2(+) and TB3-2(-).
If 24 Vdc present, go to Step 5.
If no voltage,
disconnect battery cable plug connector.
Perform continuity checks on wire P105F18 (S1-5 to TB3-6)
and jumper (TB3-5 to TB3-6).
Replace if damaged or no
continuity.
Step 5.
Move MASTER SWITCH to RUN position and check for 24 Vdc on S1-1.
If 24 Vdc present, go to Step 6.
If no voltage, replace MASTER SWITCH (paragraph 4-70b).
Step 6.
Remove connector P6 from EECM.
Check for 24 Vdc between
P6-M(+) and P6-N(-).
If 24 Vdc present, replace EECM (paragraph 4-64).
If no voltage, disconnect battery cable plug connector from
battery.
Visually
inspect
for
damaqe
and
perform
continuity check
V102N18N (TB3-1 to
Replace if damaged
on wires U117C18 (S1-1 to P6-M) and
P6-N) .
or no continuity.
PLACING MASTER SWITCH IN START POSITION DOES NOT CRANK
Step 1.
Perform Malfunction 1, Steps 6 and 7.
If voltage present, go to Step 2.
If no voltage, go to Malfunction 4.
Step 2.
Disconnect connector P6 from EECM. With
ENGINE.
MASTER SWITCH in START
position, check for 24 Vdc between P6-J(+) and P6-N(-).
If voltage present, go to Step 3.
If no voltage, go to Step 4.
Change 14-27
