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TM9-2320-360-20-3
Section 4
TROUBLESHOOTING CHARTS
E. FLASH CODE:
13
J1587 CODE:
P111 4 - COOLANT LEVEL CIRCUIT FAILED LOW (LOW VOLTAGE)
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-lll was started at step START-1, pg H-25 and you have now been referred here.
STEP/SEQUENCE
13-1 Sensor Check
l Turn ignition off.
l Disconnect CLS connector.
l Turn ignition on.
l Start engine.
l Read active codes.
l Stop engine.
13-2
Check CLS
Connectors
l Inspect terminals at the CLS
connector for damage; bent,
corroded, and unseated pins or
sockets. Also ensure wires
are not reversed at the CLS.
13-3
Check for Short to
Ground
l Turn ignition off.
l Disconnect the vehicle harness
connector at the ECM.
l Read resistance between sockets
A & B of the CLS connector.
RESULT
WHAT TO DO NEXT
Code P111/3 (and
Go to 16-1.
any other codes).
Code P111/4 (and
Go to 13-3.
any other codes).
Greater than
10,000 ohms or open.
Go to 13-2.
Terminals and
connectors are okay.
Replace CLS (para 7-10).
Then go to 13-30.
Problem found.
Repair terminals/connectors
(para 7-77). Then go to 13-30.
Less than or
Signal line (ckt #115) is shorted
equal to 10,000 ohms.
to ground (ckt #953). Repair
short. Then go to 13-30.
H-117
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