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Page Title:
CHART - 2 - ENGINE CRANKS BUT WILL NOT START (Cont'd) |
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 TM 9-2320-364-20-1
Section IV. TROUBLESHOOTING CHARTS (Cont.)
D. CHART - 2 - ENGINE CRANKS BUT WILL NOT START (Cont'd)
-
STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
C 2- 18
-
Check for Battery
Volts at the 5-way
Power Harness Connector
Turn ignition off.
Less than
Go to C 2--19.
Disconnect the 5-way power
11.5 volts on
harness connector.
any reading.
Read voltage from socket A
(red lead) of 5-way power
Greater than
Go to C 2--21.
harness connector to a good
11.5 volts on
ground (black lead).
all readings.
Also read voltage from
socket C (red lead) to a
good ground (black lead).
C 2- 19
-
Check if ECM Power
Line(s) are Open.
Read voltage between battery side
Less than
Go to C 2--20.
of DDEC circuit breaker CB22
11.5 volts on
(red lead) and a good ground
either reading.
(black lead).
Read voltage reading at
Greater than
An open exists in either Power line
DDEC circuit breaker CB23.
11.5 volts on
(ckt #240) or (ckt #241). Repair
(NOTE: Battery side does not
both readings.
open. Then go to C 2--30.
contain #240 or #241 wires.)
C 2- 20
-
Check Battery
Connect all connectors.
Less than
Service discharged battery
Turn ignition on.
10.0 volts.
(TM 9-6140-200-14).
Try to start engine.
(NOTE: If a short to ground exists
Read voltage at battery +
anywhere in a battery + circuit,
terminal (red lead) to the battery
the engine will shut down again if
-- terminal (black lead).
not repaired.) Then go to C 2--30.
Greater than
An open or short to ground
or equal to 10.0 volts.
exists in the Batt + line. Repair
open or short to ground. Then
go to C 2--30.
2-567
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