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Home >> Toyota >> 2009 >> Yaris Base, 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control System (1NZ-FE) >> SFI System >> DTC P0111 Intake Air Temperature Sensor Gradient Too High >> Inspection Procedure

Inspection Procedure

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0111) 
    1. Connect a Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the tester ON.
    4. Select the following menu items: Powertrain/Engine and ECT/Trouble Codes.
    5. Read DTCs.

      Result 

      RESULT REFERENCE

      Display (Output) Proceed To
      P0111 and other DTCs A
      P0111 B

      HINT:

      If any DTCs other than P0111 are output, troubleshoot those DTCs first.

      B: REPLACE MASS AIR FLOW METER (See  REMOVAL   ) 

      A: GO TO DTC CHART 

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