P0126

DTC P0126 - INSUFFICIENT COOLANT TEMPERATURE FOR STABLE OPERATION

1. OUTLINE OF DIAGNOSIS
Detect the malfunction of engine coolant temperature output properly. Judge NG when the engine coolant temperature sensor output does not change whereas it seemed to change from the viewpoint of the engine condition.




2. COMPONENT DESCRIPTION




3. ENABLE CONDITION

4. GENERAL DRIVING CYCLE
After idling and running for the specified time, perform the diagnosis only once for OK/NG judgment.

5. DIAGNOSTIC METHOD




Judge NG when the malfunction criteria are completed and judge OK when not completed.

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

7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
- When the OK driving cycle was completed 3 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)