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

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

Perform code registration (Immobiliser system)

Engine start function

• Replacement of engine assembly
• Gas leak from exhaust system is repaired

Inspection after repair

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

Replacement of automatic transaxle assembly

1. Reset Memory
2. Input transaxle compensation code into ECM
3. 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)

1. Reset memory*2
2. Transfer transaxle compensation code
3. Perform road test to allow ECM to learn

Replacement of ECM

(If transaxle compensation code not read from ECM)

1. Reset memory*2
2. Reset transaxle compensation code
3. 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

Rack and pinion power steering gear assembly

• Perform torque sensor zero point calibration
• Assist map writing

• DTCs are output
• Steering effort different between turning steering wheel left and right
• EPS warning light illuminates

(a) Remove the 3 nuts and separate the front engine mounting insulator from the front frame assembly.

(b) Remove the 4 nuts and separate the rear engine mounting insulator from the front frame assembly.

(a) Remove the 3 bolts, nut and front lower No. 1 suspension arm sub-assembly LH from the front frame assembly.

NOTICE:

Because the nut has its own stopper, do not turn the nut. Loosen the bolt with the nut secured.

(a) Remove the 2 bolts and No. 2 exhaust pipe support bracket from the front frame assembly.

(a) Remove the 2 bolts and front suspension member dynamic damper from the front frame assembly.

(a) Using a chisel and hammer, kink the flange of the front suspension member body mounting front cushion as shown in the illustration.

(c) Install SST as shown in the illustration.

SST: 09830-10010

09830-01010

09830-01040

09830-01050

SST: 09950-40011

09951-04020

09952-04010

09954-04010

09955-04011

09958-04011

NOTICE:

Apply molybdenum grease to the threads and tip of the SST center bolt before use.

*a

Hold

Turn

(a) Using a chisel and hammer, kink the flange of the front suspension member body mounting rear cushion LH as shown in the illustration.

(c) Install SST as shown in the illustration.

SST: 09830-10010

09830-01010

09830-01040

09830-01050

SST: 09950-40011

09951-04020

09952-04010

09954-04010

09955-04011

09958-04011

NOTICE:

Apply molybdenum grease to the threads and tip of the SST center bolt before use.

*a

Hold

Turn