Toyota Avalon Service & Repair Manual: Replacement

REPLACEMENT

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during input shaft type T oil seal 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

*: When performing learning using the Techstream.

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*1: The vehicle height changes because of suspension or tire replacement

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 (w/ AFS)(EXT)

Memorize steering angle neutral point

Parking assist monitor system

Panoramic view monitor system

Replacement of ECM

Perform Vehicle Identification Number (VIN) registration

MIL illuminates

  • Replacement of engine assembly
  • Replacement of air fuel ratio sensor (sensor 2)
  • Replacement of engine coolant temperature sensor
  • Gas leak from exhaust system is repaired

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

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.*1
  • 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.*1

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.*1

  • Television camera controller initialization
  • Adjust steering angle
  • Rear television camera assembly optical axis (Back camera position setting)
  • Replacement of headlight ECU sub-assembly LH
  • Replacement of headlight assembly LH
  • Synchronize the vehicle information
  • Perform headlight ECU sub-assembly LH initialization

Lighting system (w/ AFS)(EXT)

Suspension, tires, etc.*1

Perform headlight ECU sub-assembly LH initialization

CAUTION:

  • Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.

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  • To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.
  • To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.
  • To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
  • The engine assembly with transaxle is very heavy. Be sure to follow the procedure described in the repair manual, or the engine lifter may suddenly drop or the engine assembly with transaxle may fall off the engine lifter.

    *a

    An Object Exceeding Weight Limit of Engine Lifter

  • The hybrid vehicle transaxle assembly is very heavy. Be sure to follow the procedure described in the repair manual, or the transmission jack may suddenly drop or a part may fall.

    *a

    Object Exceeding Weight Limit of Transmission Jack

NOTICE:

  • After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

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  • If the ECM has been struck or dropped, replace it.
  • Perform Vehicle Identification Number (VIN) registration when replacing the ECM.

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PROCEDURE

1. REMOVE HYBRID VEHICLE TRANSAXLE ASSEMBLY

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2. REMOVE INPUT SHAFT TYPE T OIL SEAL

(a) Using a screwdriver with its tip wrapped with protective tape, remove the input shaft type T oil seal from the hybrid vehicle transaxle assembly.

NOTICE:

Be careful not to damage the input shaft assembly or hybrid vehicle transaxle assembly.

*a

Protective Tape

3. INSTALL INPUT SHAFT TYPE T OIL SEAL

(a) Coat the lip of a new input shaft type T oil seal with a small amount of MP grease.

(b) Using SST and a hammer, install the input shaft type T oil seal to the hybrid vehicle transaxle assembly.

SST: 09608-04031

Standard Depth:

1.9 to 2.7 mm (0.0748 to 0.106 in.)

NOTICE:

  • Do not allow foreign matter to attach to the lip of the input shaft type T oil seal.
  • Do not install the input shaft type T oil seal at an angle.

*a

Depth

4. INSTALL HYBRID VEHICLE TRANSAXLE ASSEMBLY

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    Components

    Motor Cable

    See More:

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