DTC P0111: Intake Air Temperature Circuit Range/Performance

Detect the malfunction of intake air temperature sensor output property.

Judge NG when the intake air temperature is high regardless of the driving condition that the intake air temperature may be low.

Always perform the diagnosis continuously.

• Abnormality Judgment 

  Judge NG when the continuous time until completing all the malfunction criteria below becomes more than the time (3 seconds) needed for diagnosis.

  Judgment Value 

  JUDGMENT VALUE (ABNORMALITY JUDGMENT)
  
  

  Malfunction Criteria	Threshold Value
  Engine coolant temperature	< 40°C (104°F)
  Fuel temperature	< 40°C (104°F)
  Fuel level	10 l (2.6 US gal, 2.2 lmp gal)
  Intake air temperature	"GREATER THAN EQUAL TO" 80°C (176°F)

  Time Needed for Diagnosis:  3 seconds

  Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.

• Normality Judgment 

  Judge OK and clear the NG when the malfunction criteria below are completed.

  Judgment Value 

  JUDGMENT VALUE (NORMALITY JUDGMENT)
  
  

  Malfunction Criteria	Threshold Value
  Intake air temperature	< 80°C (176°F)

• When the OK idling cycle is completed 40 times in a row
• When "Clear Memory" was performed

• When the OK driving cycle is completed 3 times in a row
• When "Clear Memory" was performed

Make the intake air temperature 40°C (104°F).

Memorize the freeze frame data. (For test mode $02)