P0111

DTC P0111 - INTAKE AIR TEMPERATURE CIRCUIT RANGE/PERFORMANCE

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.




COMPONENT DESCRIPTION




ENABLE CONDITION

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

DIAGNOSTIC METHOD




Judge NG when the judgment value is within the range of the malfunction criteria. Judge OK when it is not within the specified range.

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

MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
- When the OK driving cycle was completed 3 times in a row
- When "Clear Memory" was performed

FAIL SAFE
Intake air temperature sensor process: Intake air temperature is fixed at 20 °C (68 °F).

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