Last Modified: 01-27-2025 6.11:8.1.0 Doc ID: RM100000001BGZZ
Model Year Start: 2019 Model: Corolla Hatchback Prod Date Range: [06/2018 - 09/2019]
Title: M20A-FKS (ENGINE CONTROL): THROTTLE BODY: REMOVAL; 2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 09/2019]

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 throttle body with motor 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 with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly

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

2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 09/2019]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

NOTICE:

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

PROCEDURE

1. DRAIN ENGINE COOLANT

Click here 2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 09/2019]; MAINTENANCE: M20A-FKS COOLANT: REPLACEMENT+

2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE

(a) Disconnect the mass air flow meter connector and disengage the wire harness clamp.

*a

Wire Harness Clamp

*b

Clamp

*c

Guide

(b) Disengage the 2 clamps and 2 guides.

(c) Disengage the guide to disconnect the vacuum switching valve assembly.

*1

Vacuum Switching Valve Assembly

*2

No. 2 Ventilation Hose

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

(e) Loosen the hose clamp to remove the air cleaner cap with air cleaner hose from the throttle body with motor assembly.

3. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY

(a) Disconnect the throttle body with motor assembly connector.

(b) Slide the clip and disconnect the No. 8 water by-pass hose from the throttle body with motor assembly.

(c) Using an 8 mm socket wrench, remove the 3 bolts to separate the throttle body with motor assembly from the intake manifold.

(d) Slide the clip and disconnect the No. 5 water by-pass hose to remove the throttle body with motor assembly.

NOTICE:

If the throttle body with motor assembly has been struck or dropped, replace it.

4. REMOVE THROTTLE BODY GASKET

(a) Remove the throttle body gasket from the intake manifold.