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TM9-2320-360-20-3
Section 4
TROUBLESHOOTING CHARTS
D. CHART -2 - ENGINE CRANKS BUT WILL NOT START (Cont’d)
STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
C 2-27
Check Battery
l Disconnect battery cables at
battery (para 7-61).
l Read voltage at battery
terminal (red lead) to battery +
- terminal (black lead).
C 2-28
Check If Fuses Blow
Again
l Turn ignition off.
l Disconnect the 5-way power
harness connector at ECM.
l Reset DDEC circuit breaker(s).
l Wait 10 seconds.
l Check if circuit breaker(s)
has blown or opened up again.
Go to C 2-29.
C 2-29
Check for Short to
Ground in Wiring
l Read resistance between
(ckt #240) and a good ground.
l Read resistance between
(ckt #241) and a good ground.
Less than
11.5 volts.
Service discharged battery
(TM 9-6140-200-14).
(NOTE: if a short to ground
exists anywhere in battery +
circuit, this vehicle will shut
down again if not repaired.)
Then go to C 2-30.
Greater than
or equal to 11.5 volts.
An open or short to ground exists
in unfused ignition line (ckt
#1866). Repair open or short to
ground. Then go to C 2-30.
Circuit breaker(s) are
still okay.
Go to C 2-26.
Circuit breaker(s) are
blown or open again.
Greater than
or equal to 10,000
ohms or open on
all readings.
Go to C 2-11.
Less than
10,000 ohms
on any reading.
Short to ground exists. Repair
short(s). Then go to C 2-30.
H-59
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