Section 4
TROUBLESHOOTING CHARTS
D. CHART2• ENGINE CRANKS BUT WILL NOT START (Cont’d.)
TM 9-2320-363-20-1
STEP/SEQUENCE
C2-4 Check for Aerated Fuel
l Loosen fuel return line.
l Observe fuel flow out of line while
cranking. Use suitable container
to contain fuel.
C2-5 Check for White
Smoke
l Reconnect fuel return line.
l Look for white smoke coming out
of the exhaust stack while cranking
the engine.
C2-6 Check TRS Status via
RPM Read-out
l Select Engine RPM on
DDR (Mode 04).
l Crank engine while observing
DDR display (NOTE: Battery
voltage surges while cranking
with electric starters may blank
out or reset DDR. )
C2-7 Check TRS
l Turn Ignition off.
l Disconnect engine harness
connector at the ECM.
l Read resistance between sockets
T1 and T2 at the engine harness
connector.
RESULT
I
WHAT TO DO NEXT
G o t o C 2 - 5
Check fuel filter(s) and supply
lines to determine cause of
problem. Page 4-38.
Your problem appears to be
with cylinder compression.
Contact Direct Support.
Your problem appears to be re-
stricted air intake page 4-52.
Go to C2-31 .
Go to C2-12.
Go to C2-7.
Go to C2-9.
Your problem appears to be in
the TRS. Contact Direct Support.
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