Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Removal

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 rear crankshaft oil seal removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane departure alert system (w/ Steering Control)

Pre-collision system

Intelligent Clearance Sonar System*1

Lighting System (for Gasoline Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

ECU communication ID registration (Immobiliser system)

Engine start function

Gas leak from exhaust system is repaired

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

Replacement of automatic transaxle assembly

  • Perform reset memory
  • Input transaxle compensation code into ECM
  • Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

for Initialization

for Registration

Replacement of ECM

(If transaxle compensation code read from ECM)

  • Perform reset memory*2
  • Transfer transaxle compensation code
  • Perform road test to allow ECM to learn

Replacement of ECM

(If transaxle compensation code not read from ECM)

  • Perform reset memory*2
  • Reset transaxle compensation code
  • Perform road test to allow ECM to learn

Replacement of automatic transaxle fluid

ATF thermal degradation estimate reset

The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly

Replacement of ECM

Code registration (Smart Key System (for Start Function))

  • Wireless Door Lock Control System
  • Smart Key System (for Entry Function)
  • Smart Key System (for Start Function)
  • Steering lock function

Suspension, tires, etc.

  • Measure ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent Clearance Sonar System
  • Intuitive Parking Assist System

Rear television camera assembly optical axis adjustment (Back camera position setting)

Parking Assist Monitor System

for Initialization

for Calibration

  • Parking assist ECU initialization
  • Adjust steering angle
  • Television camera assembly optical axis adjustment (Back camera position setting)

Panoramic View Monitor System

for Initialization

for Calibration

Perform headlight ECU sub-assembly LH initialization

Lighting system (for Gasoline Model with Cornering Light)

Front wheel alignment adjustment

Perform system variant learning and acceleration sensor zero point calibration.

  • VSC is disabled or malfunctions
  • DTCs are output
  • Slip indicator light illuminates
  • ABS warning light illuminates

  • *1: When performing learning using the Techstream.

    Click here

  • *2: Not necessary when ECM replaced with new one.

PROCEDURE

1. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY

Click here

2. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY

(a) Using height adjustment attachments and plate lift attachments, place the engine assembly on a flat level surface.

NOTICE:

  • Using height adjustment attachments and plate lift attachments, keep the engine assembly level.
  • To prevent the No. 2 oil pan sub-assembly from deforming, do not place any attachments under the No. 2 oil pan sub-assembly of the engine assembly.
  • Using an engine sling device and engine lift, secure the engine assembly before servicing.

(b) Using SST, hold the crankshaft pulley.

SST: 09213-70011

09213-70020

SST: 09330-00021

(c) Remove the 8 bolts, the rear drive plate spacer, the drive plate and ring gear sub-assembly.

3. REMOVE NO. 1 CRANKSHAFT POSITION SENSOR PLATE

(a) Remove the No. 1 crankshaft position sensor plate.

4. REMOVE REAR ENGINE OIL SEAL

(a) Using a knife, cut through the lip of the rear engine oil seal.

*a

Protective Tape

*b

Cut Position

(b) Using a screwdriver with its tip wrapped with protective tape, pry out the rear engine oil seal.

NOTICE:

Be careful not to damage the crankshaft.

    Installation

    2gr-fks Fuel

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