P0111

DTC P0111 INTAKE AIR TEMPERATURE CIRCUIT RANGE/PERFORMANCE

1. OUTLINE OF DIAGNOSIS
Detect the malfunction of intake air temperature sensor output property. Judge NG when the intake air temperature is not varied whereas it seemed to be varied from the viewpoint of engine condition.




2. COMPONENT DESCRIPTION




3. ENABLE CONDITION

4. GENERAL DRIVING CYCLE
Perform the diagnosis when the vehicle speed condition is completed after idling from starting the cooled engine.

5. DIAGNOSTIC METHOD




^ Abnormality Judgment
Judge NG when the continuous time of completing the malfunction criteria below becomes more than 1 second.




^ Normality Judgment
Judge OK and clear the NG when the malfunction criteria below are 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
Intake air temperature sensor process: Intake air temperature is fixed at 20 degrees C (68 degrees F).

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