VALVE BODY ASSEMBLY REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during valve body assembly 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 Memorize steering angle neutral point LKA/LDA System

Click here

Intelligent clearance sonar system*4
Pre-crash safety system

Lighting system (EXT)


  • Cornering lights
Adaptive high beam system
Drive the vehicle until stop and start control is permitted (approximately 15 to 60 minutes) Stop and start system

Click here

Memorize steering angle neutral point Parking Assist Monitor System (w/ Parallel Parking Assist Function)

Click here

Parking Assist Monitor System (w/o Parallel Parking Assist Function)

Click here

Panoramic view monitor system

Click here

Initialize back door lock Power door lock control system

Click here

Reset back door close position Power back door system

Click here

Replacement of ECM Perform Vehicle Identification Number (VIN) or frame number registration

  • MIL illuminates / -

  • DTC P063051 is stored

Click here

ECU Communication ID Registration (Immobiliser system) Engine start function See Service Bulletin for the registration method.
Perform code registration (Immobiliser system)

  • Wireless door lock control system

  • Entry and start system

  • Engine start function

  • Steering lock system

  • Telematics system

  • Replacement of engine assembly

  • Gas leaks from exhaust system

 Inspection After Repair

  • Poor idle, etc.

  • Engine start function, etc.

Click here

Replacement of starter assembly*1

Note

When the starter assembly is replaced, "ST relay" and "ST NO. 2 relay" must be also replaced.

 Clear Number of Starter Operations Stop and start system

Click here

Replacement of battery*1

  • Integrated Current Value Initialization

  • Switch Battery Type

  • Replacement of automatic transaxle assembly*1

  • Replacement of automatic transaxle fluid*1

 Bleed the oil pump assembly with motor (continuously variable transaxle assembly)
Replacement of automatic transaxle assembly

Perform the following procedures in the order shown:


  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

Click here for Initialization

Click here for Registration

  • Replacement of valve body assembly

  • Replacement of shift solenoid valve SL3 and/or SL4

Perform the following procedures in the order shown:


  1. Reset Memory

  2. Reset Transaxle Compensation Code

  3. Perform Road Test to Allow ECM to Learn
Replacement of shift solenoid valve SL1 and/or SL2 Perform Road Test to Allow ECM to Learn

Replacement of ECM

(If possible, read the transaxle compensation code from the previous ECM)

 Possible to read transaxle compensation code

Perform the following procedures in the order shown:


  1. Reset Memory

  2. Transfer Transaxle Compensation Code

  3. Perform Road Test to Allow ECM to Learn
Impossible to read transaxle compensation code

Perform the following procedures in the order shown:


  1. Reset Memory

  2. Reset Transaxle Compensation Code

  3. Perform Road Test to Allow ECM to Learn
Suspension, tires, etc.*2

  • Ultrasonic sensor detection angle

  • Ultrasonic sensor detection angle registration

  • Intelligent clearance sonar system

  • LEXUS parking assist-sensor system (w/ Intelligent Clearance Sonar System)

Click here

Rear television camera assembly optical axis (Back camera position setting) Parking assist monitor system (w/ Parallel Parking Assist Function)

Click here for Initialization

Click here for Calibration
Parking assist monitor system (w/o Parallel Parking Assist Function)

Click here for Initialization

Click here for Calibration

  • Parking assist ECU initialization

  • Adjust steering angle

 Panoramic view monitor system

Click here for Initialization

Click here for Calibration
Initialize headlight ECU sub-assembly LH

  • Adaptive high beam system

  • Automatic headlight beam level control system

Click here

Front wheel alignment adjustment

Perform the following procedures in the order shown:


  1. Clear zero point calibration data and system information.

  2. Perform yaw rate and acceleration sensor zero point calibration and store system information.

  • VSC disabled or malfunctions

  • DTCs are stored

  • Slip indicator light illuminates

  • ABS warning light illuminates

  • Theft deterrent system (tilt sensor)*3

Click here

*1: w/ Stop and Start System

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

*3: w/ TFT Meter Type

*4: When performing learning using the GTS.

Click here

CAUTION:


  • B007XMTC01
    *a An Object Exceeding Weight Limit of Engine Lifter

    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.

  • B007YBA

    To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

  • B007YN7C01
    *a Object Exceeding Weight Limit of Transmission Jack

    The automatic transaxle assembly is very heavy. Be sure to follow the procedure described in the repair manual, or the transmission jack may suddenly drop.

PROCEDURE


  1. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY

    Click here

  2. REMOVE TORQUE CONVERTER ASSEMBLY

    Click here

  3. REMOVE AUTOMATIC TRANSAXLE OIL PAN SUB-ASSEMBLY


    1. B007Y18

      Remove the 18 bolts and automatic transaxle oil pan sub-assembly from the transaxle case sub-assembly.

      Note

      Some fluid will remain in the automatic transaxle oil pan sub-assembly. Remove all of the bolts and carefully remove the automatic transaxle oil pan sub-assembly.

  4. REMOVE AUTOMATIC TRANSAXLE OIL PAN GASKET


    1. Remove the automatic transaxle oil pan gasket from the automatic transaxle oil pan sub-assembly.

  5. REMOVE TRANSMISSION OIL CLEANER MAGNET


    1. B007YY6C01
      *1 Transmission Oil Cleaner Magnet

      Remove the 2 transmission oil cleaner magnets from the automatic transaxle oil pan sub-assembly.

  6. INSPECT TRANSMISSION OIL CLEANER MAGNET

    Click here

  7. REMOVE VALVE BODY OIL STRAINER ASSEMBLY


    1. B007WWZ

      Remove the 2 bolts and valve body oil strainer assembly from the transmission valve body assembly.

    2. B007YIRC01
      *1 O-ring

      Remove the O-ring from the valve body oil strainer assembly.

  8. REMOVE TRANSMISSION VALVE BODY ASSEMBLY


    1. B007WPQ

      Remove the 11 bolts and transmission valve body assembly from the transaxle case sub-assembly.

      Note


      • When removing the transmission valve body assembly, be careful not to allow the transmission revolution sensor and transaxle case sub-assembly to interfere with each other.

      • As the manual valve is not secured to the transmission valve body assembly, make sure it does not fall out when removing the transmission valve body assembly.

      • B007X7O

        As the No. 1 check valve sub-assembly is not secured to the transaxle case sub-assembly, be careful when removing the transmission valve body assembly as the No. 1 check valve sub-assembly may fall out.

  9. REMOVE NO. 1 CHECK VALVE SUB-ASSEMBLY


    1. B007YHH

      Remove the No. 1 check valve sub-assembly from the transaxle case sub-assembly.

      Note

      Make sure not to drop the No. 1 check valve sub-assembly when removing it from the transaxle case sub-assembly.

  10. REMOVE TRANSAXLE CASE GASKET


    1. B007WL0

      Remove the 2 transaxle case gaskets from the transaxle case sub-assembly.

  11. REMOVE MANUAL VALVE


    1. B007YE4

      Remove the manual valve from the transmission valve body assembly.