DTC DETECTION LOGIC
NOTE:
DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
P0125 | ECT SENSOR (Insufficient engine coolant temperature for closed loop fuel control) |
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DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
>> GO TO 2.
2.CHECK ENGINE COOLANT TEMPERATURE SENSOR FUNCTION
With CONSULT
With GST
Follow the procedure "With CONSULT" above.
Is it above 5C (41F)?
YES >> INSPECTION END
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
If "COOLAN TEMP/S" indication increases to more than 10C (50F) within 65 minutes, stop engine because the test result will be OK.
CAUTION: Be careful not to overheat engine.
With GST
Follow the procedure "With CONSULT" above.
Is 1st trip DTC detected?
YES >> Proceed to EC, "Diagnosis Procedure".
NO >> INSPECTION END
1.CHECK ENGINE COOLANT TEMPERATURE SENSOR
Check the engine coolant temperature sensor. Refer toEC, "Component Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace engine coolant temperature sensor. Refer to CO, "Exploded View".
2.CHECK THERMOSTAT OPERATION
When the engine is cold [lower than 70C (158F)] condition, grasp lower radiator hose and confirm the engine coolant does not flow.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI, "Intermittent Incident".
NO >> Repair or replace thermostat. Refer to CO, "Removal and Installation".
Component Inspection
1.CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace engine coolant temperature sensor. Refer to CO, "Exploded View".
Thermostat
Exploded View
1. Radiator hose (lower) 2. Water inlet 3. Rubber ring
4. Thermostat A. To radiator
Removal and Installation
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns
could occur from highpressure
engine coolant escaping from the radiator. Wrap a thick cl ...
Door check link
DOOR CHECK LINK : Removal and Installation
REMOVAL
Fully close the rear door window.
Remove rear door finisher. Refer to INT-15, "Removal and Installation".
Remove rear door speaker bolts (if equipped).
Disconnect harness connector and remove rear door speaker (if equipped).
...