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 2-12
Check for Good SRS
Signal
Select engine data list on DDR.
Display reads
Go to C2-14.
Crank engine while observing
SRS RECEIVED
Yes.
DDR display of "SRS RECEIVED".
while cranking.
(NOTE: Battery voltage surges
while cranking with electric starters
Display reads
Go to C2-13.
may blank out or reset DDR.)
SRS RECEIVED
No.
while cranking.
C 2-13
Check SRS
Turn ignition off.
Between 100
Go to C2-8.
Disconnect engine harness
and 200 ohms, on a non
connector at the ECM.
Series 60 engine.
Read resistance between sockets
S1 and S2 at the engine harness
Between 100,
Go to C2-9.
connector.
and 200 ohms, on a
Series 60 engine.
Less than
Go to 41-2, page 3-345.313.
100 ohms.
Greater than
Go to 41-2, page 3-345.313.
200 ohms.
C 2-14
Check If Injector
Return Wires are Open
Turn Ignition off.
Less than
Go to C2-15.
Disconnect both 5-way Injector
or equal to 5 ohms for
harness connectors at the ECM.
any reading.
Read resistance between
the injector return pin and all the
Greater than
An open exists in one of the
power driver pins on both harness
5 ohms on any
injector power driver or return
connectors (example: G to L, and
reading.
wires. Repair open. Then go
to E to A).
C2-30.
Change 3 3-345.69