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

Auxiliary 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*

Lighting system (for HV 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 illuminates

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

Inspection After Repair

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

Replacement of inverter with converter assembly

Resolver learning

• DTCs are stored
• Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
• Shock or vibration during acceleration

Replacement of hybrid vehicle transaxle assembly

• Resolver learning
• Initialize resolver

Front wheel alignment adjustment

1. Clear zero point calibration data.
2. Perform yaw rate and acceleration sensor zero point calibration.

• DTCs are stored
• ABS warning light illuminates
• Brake warning light / yellow (minor malfunction) illuminates
• Slip indicator light illuminates
• VSC disabled or malfunctions

• Suspension, tires, etc.

  (The vehicle height changes because of suspension or tire replacement)

• Replacement of front bumper assembly

• Measurement of ultrasonic sensor detection angle
• Ultrasonic sensor detection angle registration

• Intelligent clearance sonar system
• Intuitive parking assist system

Suspension, tires, etc.

(The vehicle height changes because of suspension or tire replacement)

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

Parking assist monitor system

for Initialization:

for Calibration:

Replacement of front bumper assembly

Front television camera view adjustment

Panoramic view monitor system

for Initialization:

for Calibration:

Suspension, tires, etc.

(The vehicle height changes because of suspension or tire replacement)

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

• Replacement of headlight ECU sub-assembly LH
• Replacement of headlight assembly LH

Synchronize the vehicle information

Lighting system (for HV Model with Cornering Light)

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

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 nut and front stabilizer link assembly LH from the front stabilizer bar.

NOTICE:

Do not damage the boot of the ball joint.

HINT:

If the ball joint turns together with the nut, use a 6 mm hexagon socket wrench to hold the stud bolt.

(a) Remove the 2 bolts and front No. 1 stabilizer bracket LH from the front frame assembly.