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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Emission Control System (A25A-FXS) - Service Information) >> PCV Valve >> On-Vehicle Inspection [12/2019 - ] >> Procedure

On-Vehicle Inspection [12/2019 - ]: Procedure

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  1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) 
    1. Check the PCV valve (ventilation valve sub-assembly) operation.
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      1. Start the engine.

        Powertrain > Hybrid Control > Utility 

        Tester Display
        Inspection Mode
      2. Slide the clip and disconnect the No. 2 ventilation hose from the air cleaner hose assembly.
      3. Check that air is sucked into the No. 2 ventilation hose.

        Standard

        Air is sucked into the No. 2 ventilation hose.

        If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly).

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