STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
TM 9-2320-363-20-1
Section 4
TROUBLESHOOTING CHARTS
D. CHART -2 - ENGINE CRANKS BUT WILL NOT START (Cont'd)
C 2-27
Check Battery
Disconnect battery cables at
Less than
Service discharged battery.
battery. +11.5 volts.
(Note: if a short to ground exists
Read voltage at battery +
anywhere in battery + circuit,
terminal (red lead) to battery
this vehicle will shut down again
- terminal (black lead).
If not repaired). Then go to
C2-30.
Greater than
An open or short to ground exists
or equal to *11.5 volts.
in unfused ignition line (ckt #2).
Repair open or short to ground.
Then go to C2-30.
C 2-28
Check if Fuses Blow
Again
Turn ignition off.
Fuses(s) or
Go to C2-26.
Disconnect the 5-way power
circuit breaker(s) are
harness connector at ECM.
still okay.
Replace blown fuse(s) or reset
circuit breaker(s).
Fuse(s) or
Go to C2-29.
Wait 10 seconds.
circuit breaker(s) are
Check If fuse(s) or circuit breaker(s)
blown or open again.
has blown or opened up again.
C 2-29
Check for Short to
Ground in Wiring
Read resistance between
Greater than
Go to C2-11.
(circuit #240) and a good ground.
or equal to 10,000
Read resistance between
ohms or open on
(circuit #241) and a good ground.
all readings.
Less than
Short to ground exists. Repair
10,000 ohms
short(s). Then go to C2-30.
on any reading.
*23 volts on a 24 volt system.
Change 3 3-345.79
