Toyota Yaris: G16e-gts (emission Control) / Pcv Valve

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Engine & Hybrid System / G16e-gts (emission Control) / Pcv Valve

Components

COMPONENTS

ILLUSTRATION

*1

PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

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On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

(a) Check the PCV valve (ventilation valve sub-assembly) operation.

(1) Start the engine.

(2) Slide the clip and disconnect the No. 2 ventilation hose from the cylinder head cover sub-assembly.

(3) Check that air is sucked into the cylinder head cover sub-assembly.

Standard:

Air is sucked into the cylinder head cover sub-assembly.

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

Removal

REMOVAL

CAUTION / NOTICE / HINT

HINT:

When the cable is disconnected/reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

  • Learning completes when vehicle is driven

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Lane tracing assist system

    Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more.

    Pre-collision system

    Stop and start system

    Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)

  • Learning completes when vehicle is operated normally

    Effect/Inoperative Function When Necessary Procedures are not Performed

    Necessary Procedures

    Link

    Power door lock control system

    • Back door opener

    Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

    Air conditioning system

    After the ignition switch is turned to ON, the servo motor standard position is recognized.

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PROCEDURE

1. REMOVE INTAKE MANIFOLD

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2. REMOVE PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

(a) Remove the PCV valve (ventilation valve sub-assembly) from the cylinder head sub-assembly.

Inspection

INSPECTION

PROCEDURE

1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

(a) Install a hose to the PCV valve (ventilation valve sub-assembly).

(b) Check PCV valve (ventilation valve sub-assembly) operation.

(1) Blow air into the cylinder head sub-assembly side, and check that air passes through easily.

*a

Hose

*b

Air

Cylinder Head Sub-assembly Side

CAUTION:

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.

*a

Hose

*b

Air

Intake Manifold Side

CAUTION:

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).

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

Installation

INSTALLATION

PROCEDURE

1. INSTALL PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

(a) Apply a light coat of engine oil to the O-ring.

NOTICE:

When reusing the PCV valve (ventilation valve sub-assembly), inspect the O-ring.

(b) Install the PCV valve (ventilation valve sub-assembly) to the cylinder head sub-assembly.

2. INSTALL INTAKE MANIFOLD

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