Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001GFPU
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 -           ]
Title: 2ZR-FXE (EMISSION CONTROL): PCV VALVE: REMOVAL; 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during PCV valve (ventilation valve sub-assembly) removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link
  • Replacement of throttle body assembly
  • Cleaning the deposits from the throttle body assembly

Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

PROCEDURE

1. REMOVE INTAKE MANIFOLD

Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; 2ZR-FXE (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL

2. REMOVE VENTILATION HOSE

(a) Slide the clip and remove the ventilation hose from the PCV valve (ventilation valve sub-assembly).

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

(a) Using a 22 mm ball joint lock nut wrench, remove the PCV valve (ventilation valve sub-assembly) from the No. 1 ventilation case.