Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001PX3F
Model Year Start: 2021 Model: Avalon Prod Date Range: [08/2020 -           ]
Title: A25A-FKS (ENGINE CONTROL): THROTTLE BODY: REMOVAL; 2021 - 2022 MY Avalon [08/2020 -        ]

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.

2021 - 2022 MY Avalon [08/2020 -        ]; A25A-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 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

PROCEDURE

1. DRAIN ENGINE COOLANT

Click here 2021 - 2022 MY Avalon [08/2020 -        ]; MAINTENANCE: A25A-FKS COOLANT: REPLACEMENT+

2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here 2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

3. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE

(a) Disconnect the mass air flow meter sub-assembly connector.

(b) Disengage the 2 wire harness clamps.

(c) Disconnect the vacuum hose from the air cleaner hose.

*1

Vacuum Hose

*2

No. 2 Ventilation Hose

*a

Air Cleaner Cap Clamp

*b

Guide

*c

Unlocked

*d

Locked

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

(e) Disengage the 2 air cleaner cap clamps.

(f) Disengage the 2 guides to separate the air cleaner cap sub-assembly from the air cleaner case sub-assembly.

(g) Lock the hose clip and remove the air cleaner cap with air cleaner hose from the throttle body with motor assembly.

4. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY

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

(b) Slide the clip and disconnect the No. 6 water by-pass hose from the throttle body with motor assembly.

(c) Using an 8 mm socket wrench, remove the 3 bolts and 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.

5. REMOVE THROTTLE BODY GASKET

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