P0126

DTC P0126 INSUFFICIENT COOLANT TEMPERATURE FOR STABLE OPERATION

1. OUTLINE OF DIAGNOSIS
Judge NG when the engine coolant temperature sensor output does not change.
Judge NG when the engine coolant temperature sensor output does not change though the vehicle is operated in a manner which is expected to affect the engine coolant temperature.




2. COMPONENT DESCRIPTION




3. ENABLE CONDITION

4. GENERAL DRIVING CYCLE
Perform the diagnosis once after starting the engine.

5. DIAGNOSTIC METHOD




^ Abnormality Judgment
Judge NG when the cumulative time of completing the malfunction criteria below becomes more than 2.5 seconds.




^ Normality Judgment
Judge OK when the malfunction criteria below are completed.

6. DTC CLEAR CONDITION
^ When the OK idling cycle is completed 40 times in a row
^ When "Clear Memory" was performed

7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
^ When the OK idling cycle was completed 40 times in a row
^ When "Clear Memory" was performed

8. FAIL SAFE
None

9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)