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Page Title:
P110 4 - COOLANT TEMPERATURE CIRCUIT FAILED LOW (LOW VOLTAGE) OR P175 4 - OIL TEMPERATURE CIRCUIT FAILED LOW (LOW VOLTAGE) (C... |
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 TM 9-2320-364-20-1
Section IV. TROUBLESHOOTING CHARTS (Cont.)
E. FLASH CODE:
15
J1587 CODE:
P110 4 - COOLANT TEMPERATURE CIRCUIT FAILED LOW (LOW VOLTAGE)
OR:
P175 4 - OIL TEMPERATURE CIRCUIT FAILED LOW (LOW VOLTAGE)
STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
15-5
Check OTS
Connectors
Inspect terminals at the OTS
Terminals and
Replace OTS (para 7-70).
connector (both the sensor
connectors are okay.
Then go to 15-30.
and harness side) for damage;
bent, corroded, and unseated
Problem found.
Repair terminals/connectors
pins or sockets.
(para 7-101). Then go to 15-30.
15-6
Check for Short
Turn ignition off.
Less than or
Signal line (ckt #133) is shorted
Disconnect engine harness
equal to 10,000 ohms
to the return line (ckt #452) or
connector at the ECM.
on either reading.
battery ground. Repair short.
Read resistance between sockets
Then go to 15-30.
P3 (ckt #133) and Y2 (ckt #452)
on the engine harness connector.
Greater than
Go to 15-8.
Also read resistance between
10,000 ohms or open
socket B of CTS connector and
on both readings.
a good ground.
15-7
Check for Short
Turn ignition off.
Less than or
Signal line (ckt #120) is shorted
Disconnect engine harness
equal to 10,000 ohms
to the return line (ckt #452) or
connector at the ECM.
on either reading.
battery ground. Repair short.
Read resistance between sockets
Then go to 15-30.
R2 (ckt #120) and Y2 (ckt #452)
on the engine harness connector.
Greater than
Go to 15-9.
Also read resistance between
10,000 ohms or open
socket B of OTS connector and
on both readings.
a good ground.
2-639
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