LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2012 >> Prius Plug-in >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (Engine Control System (Except Plug-In) (Diagnostic Codes (P0010-P043F))) >> SFI System >> DTC P0111: Intake Air Temperature Sensor Gradient Too High >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P0111: Intake Air Temperature Sensor Gradient Too High: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0111) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    5. Read the DTCs.

      Result

      Result Proceed to
      DTC P0111 and other DTCs are output A
      DTC P0111 is output B

      HINT: 

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

    B → See step   3 

    A → See step   2 

  2. GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART 
  3. REPLACE MASS AIR FLOW METER SUB-ASSEMBLY. Refer to  REMOVAL