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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
15-8
Check ECM
Connectors
Check terminals at the engine
Terminals and
Replace ECM (para 7-57).
harness connector (both the ECM
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. Especially
(para 7-101). Then go to 15-30.
terminals P3 and Y2 of the engine
harness connector.
15-9
Check ECM
Connectors
Check terminals at the engine
Terminals and
Replace ECM (para 7-57).
harness connector (both the ECM
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. Especially
(para 7-101).
terminals R2 and Y2 of the engine
harness connector.
15-30
Verify Repairs
Turn ignition off.
No codes.
Repairs are complete.
Reconnect all connectors.
Turn ignition on.
Code 110 or 175/4
All system diagnostics are
Clear codes.
(and any other codes).
complete. Please review this
Note status of "Check Engine"
section from the start to
light.
find the error.
If "Check Engine" light does not
stay on, start engine and run
Any other codes
Go to START-1, pg 2-539, to
(TM 9-2320-364-10) until
except Code 110 or 175/4.
service other codes.
"Check Engine" light comes on or
for 1 minute. Stop engine.
Read inactive codes.
2-641
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