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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 103 (Engine Control System (A25A-FXS) - Diagnostic Codes (P06DA-P111C)) >> SFI System >> DTC P106A-62: Evaporative Emission System Pressure / Intake Air Pressure Signal Compare Failure; DTC P106C-62: Evaporative Emission System Pressure/Barometric Pressure Signal Compare Failure [10/2021 - 10/2022] >> Procedure

DTC P106A-62: Evaporative Emission System Pressure / Intake Air Pressure Signal Compare Failure; DTC P106C-62: Evaporative Emission System Pressure/Barometric Pressure Signal Compare Failure [10/2021 - 10/2022]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P106A-62 AND/OR P106C-62) 
    1. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTC P106A-62 is output A
      DTC P106C-62 is output B
      DTC P106A-62 and P106C-62 are output C
      DTC P106A-62 and/or P106C-62 and other DTCs are output D

      HINT: 

      If any DTCs other than P106A-62 and/or P106C-62 are output, troubleshoot those DTCs first.

    Result: 

    See step  3

    Result: 

    See step  4

    Result: 

    GO TO DTC CHART  . Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2021 - 10/2022]

    Result: 

    See step  2

  2. REPLACE MANIFOLD ABSOLUTE PRESSURE SENSOR 

    Refer to REMOVAL [12/2019 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  5

  3. REPLACE ECM (ATMOSPHERIC PRESSURE SENSOR) 

    Refer to REMOVAL [12/2019 - 10/2022]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  5

  4. REPLACE CANISTER PUMP MODULE 

    Refer to REMOVAL [12/2019 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  5

  5. CLEAR DTC 
    1. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

    2. Turn the ignition switch off and wait for at least 30 seconds.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED 
    1. Confirm that the difference between Intake Manifold Absolute Pressure and Vapor Pressure Pump is 8.69 kPa (1.26 psi) or less.

      Powertrain > Engine > Data List 

      Tester Display
      Intake Manifold Absolute Pressure
      Vapor Pressure Pump
    2. Confirm that the difference between Atmospheric Pressure and Vapor Pressure Pump is 7.89 kPa (1.14 psi) or less.

      Powertrain > Engine > Data List 

      Tester Display
      Atmospheric Pressure
      Vapor Pressure Pump

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END