STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
TM 9-2320-363-20-1
Section 4
TROUBLESHOOTING CHARTS
E. FLASH CODE: 16
J1587 CODE:
P111 3 - COOLANT LEVEL CIRCUIT FAILED HIGH (VOLTAGE HIGH)
16-4 Check for Signal Short
to Ignition
Disconnect the vehicle harness
Less than
The CLS signal line(ckt#115)
connector at the ECM.
10,000 ohms.
is shorted to the switched
Remove jumper wire at the CLS.
12/24 volt DC line. Repair
harness connector.
short. Then go to 16-30.
Read resistance between sockets
H3 (ckt#115) and B3 (ckt#439)
Greater than
Go to 16-5.
of vehicle harness.
or equal to 10,000 ohms
or open.
16-5 Check ECM
Connectors
Check terminals at the vehicle
Terminals and,
Go to 16-6.
harness connector (both the ECM
connectors are okay.
and harness side) for damage;
bent, corroded, and unseated
Problem found.
Repair terminals/connectors.
pins or sockets. Check terminal
Then go to 16-30.
and pin H3 at the ECM and all
terminals and pins in the CLS
connector.
16-6 Check for Open
Disconnect the vehicle harness
Less than or
An open exists on the 12/24
connector at the ECM.
equal to 10/20 volts.
volt (ckt#439) wire. Repair
Place the read lead of the volt
(10V-12V system,
open. Then go to 16-30.
meter into cavity B-3 (439) and
20V-24V system.)
Replace ECM Then go to 16-
black lead to a good ground.
Greater than
30.
Turn ignition on.
(10/20 volts (10V-12V
Read voltage.
system, 20V-24V system.)
Change 3 3-345.213
