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DTC P0126 INSUFFICIENT COOLANT TEMPERATURE FOR STABLE OPERATION

DTC P0126 INSUFFICIENT COOLANT TEMPERATURE FOR STABLE OPERATION

DTC DETECTING CONDITION:


• Two consecutive driving cycles with fault

• GENERAL DESCRIPTION


TROUBLE SYMPTOM:

Engine would not return to idling.

Important

After repair or replacement of faulty parts, conduct Clear Memory Mode and Inspection Mode .


WIRING DIAGRAM:


CHECK ANY OTHER DTC ON DISPLAY.

Is any other DTC displayed?

Yes

Inspect the DTC using “List of Diagnostic Trouble Code (DTC)”.


No


CHECK ENGINE COOLANT TEMPERATURE SENSOR.

Measure the resistance between engine coolant temperature sensor terminals when engine coolant is cold and after warmed-up.

Terminals

No. 1 — No. 2:

Is the resistance of engine coolant temperature sensor different between when engine coolant is cold and after warmed-up?

Yes

Contact Service Center.


No

Replace the engine coolant temperature sensor.