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".
Precaution
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRETENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT
PRETENSIONER", used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and f ...
Steering wheel turning force is heavy or light
Description
Steering wheel turning force is heavy or light.
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT
Turn the ignition switch OFF to ON.
Perform "EPS" self-diagnosis.
Is any DTC detected?
YES >> Check the DTC. Refer to STC "DTC Index".
NO >> GO ...