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TM9-2320-360-20-3
Section 4
TROUBLESHOOTING CHARTS
E. FLASHCODE: 16
J1587 CODE:
P111 3 - COOLANT LEVEL CIRCUIT FAILED HIGH (VOLTAGE HIGH)
NOTE - This chart is only to be used if:
1) All basic mechanical checks and physical inspections have been performed with no problem found, and
2) Diagnosis of DDEC-III was started at step START-1, pg H-25 and you have now been referred here.
STEP/SEQUENCE
RESULT
I
WHAT TO DO NEXT
16-1
Sensor Check
l Turn ignition off.
l Disconnect CLS connector and
install a jumper between sockets A
and B of the CLS
connector.
l Attempt to start and run engine at
idle (TM 9-2320-360-10).
l Read active codes.
l Stop engine.
16-2
Signal and Ground
Circuit Check
l Turn ignition off.
l Disconnect the vehicle harness
connector.
l Read resistance between socket
H3 (ckt #115) on the vehicle
harness connector and a good
ground.
16-3
Check if Ignition
Clrcuit Breaker Is Open
l Check if the DDEC ignition circuit
breaker (CB11) is tripped.
Engine will
not start.
Go to 16-3.
Code 111/3 (and
any other codes
except Code 111/4).
Go to 16-2.
Code 111/4 (and
any other codes).
Go to 16-5.
Less than or
equal to 5 ohms.
Go to 16-6.
Greater than
5 ohms or open.
Either the CLS signal line (ckt
#115) or the battery ground line
is open. Repair open. Then go
to 16-30.
Open circuit breaker.
Reset circuit breaker.
Then go to 16-4.
Circuit breaker
is okay.
Go to 16-4.
H-133
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