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Home >> Toyota >> 2019 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Emission Control System (1AR-FE) (Service Information) (Except Hybrid)) >> PCV Valve >> Inspection [12/2013 - ] >> Procedure

Inspection [12/2013 - ]: Procedure

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  1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) 
    1. Install a clean hose to the PCV valve (ventilation valve sub-assembly).
    2. Check PCV valve (ventilation valve sub-assembly) operation.
      1. Blow air into the ventilation case side, and check that air passes through easily.
        GTY450367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Hose
        Ventilation Case Side
        Air
        WARNING:

        Do not suck air through the valve.

        Petroleum substances inside the valve are hazardous to your health.

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

      2. Blow air into the intake manifold side, and check that air passes through with difficulty.
        GTY437242Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Hose
        Intake Manifold Side
        Air
        WARNING:

        Do not suck air through the valve.

        Petroleum substances inside the valve are hazardous to your health.

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

    3. Remove the hose from the PCV valve (ventilation valve sub-assembly).