ENGINE ASSEMBLY 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 engine 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
Disconnect cable from negative battery terminal Memorize steering angle neutral point LKA/LDA System

Click here

Intelligent clearance sonar system*2
Pre-crash safety system

Lighting system (EXT)


  • Cornering lights
Adaptive high beam system
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

for 2GR-FKS (w/ Canister Pump Module):

Click here

for 2GR-FKS (w/o Canister Pump Module)

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 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. Transfer Transaxle Compensation Code

  2. Perform Road Test to Allow ECM to Learn

  • Large shift shock

  • Deterioration of fuel efficiency

Click here for Initialization (U881E)

Click here for Registration (U881E)

Click here for Initialization (U881F)

Click here for Registration (U881F)
Impossible to read transaxle compensation code

Perform the following procedures in the order shown:


  1. Reset Transaxle Compensation Code

  2. Perform Road Test to Allow ECM to Learn

    w/ Canister Pump Module

  • Replacement of engine assembly

  • Air leaks from intake system

  • Gas leak from exhaust system is repaired

  • Replacement of Heated oxygen sensor

 Inspection After Repair

  • Poor idle, etc.

  • Engine start function, etc.

Click here


    w/o Canister Pump Module

  • Replacement of engine assembly

  • Air leaks from intake system

  • Gas leak from exhaust system is repaired

 Inspection After Repair

  • Poor idle, etc.

  • Engine start function, etc.

Click here

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

for U881E Initialization:

Click here

for U881E Registration:

Click here

for U881F Initialization:

Click here

for U881F Registration:

Click here

Front wheel alignment adjustment

  1. Clear zero point calibration data and store 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)*1

Click here

Suspension, tires, etc.

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

  • 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)

for Initialization:

Click here

for Calibration:

Click here

Parking assist monitor system (w/o Parallel Parking Assist Function)

for Initialization:

Click here

for Calibration:

Click here


  • Parking assist ECU initialization

  • Adjust steering angle

 Panoramic view monitor system

for Initialization:

Click here

for Calibration:

Click here

Initialize headlight ECU sub-assembly LH

  • Adaptive high beam system

  • Automatic headlight beam level control system

Click here

*1: w/ TFT Meter Type
*2: When performing learning using the GTS.
Click here 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.

PROCEDURE


  1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM

    Click here

  2. DISCHARGE FUEL SYSTEM PRESSURE

    Click here

  3. PRECAUTION

    Note

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

    Click here

  4. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL


  5. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD

    Click here

  6. SECURE STEERING WHEEL

    Click here

  7. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH


    1. Remove the 2 screws and front wheel opening extension pad LH from the No. 3 engine under cover.

  8. REMOVE NO. 3 ENGINE UNDER COVER


    1. Remove the 5 bolts, 2 screws, 2 clips and No. 3 engine under cover from the vehicle body.

  9. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH


    1. Remove the 2 screws and front wheel opening extension pad RH from the No. 1 engine under cover.

  10. REMOVE NO. 1 ENGINE UNDER COVER


    1. Remove the 3 bolts, 2 screws, clip and No. 1 engine under cover from the vehicle body.

  11. REMOVE FRONT LOWER BUMPER ABSORBER


    1. B007ZLPC02
      B007WXX Screw
      B00803L Clip

      Remove the 4 screws and 2 clips, and disengage the 2 claws to remove the front lower bumper absorber from the vehicle body.

  12. REMOVE NO. 2 ENGINE UNDER COVER


    1. Remove the 2 bolts, 2 screws, clip and No. 2 engine under cover from the front frame assembly.

  13. REMOVE FRONT FLOOR COVER LH

    Click here

  14. REMOVE FRONT FENDER APRON SEAL LH


    1. Remove the 2 bolts, clip and front fender apron seal LH from the vehicle body.

  15. REMOVE FRONT FENDER APRON SEAL RH


    1. Remove the 2 bolts, clip and front fender apron seal RH from the vehicle body.

  16. DRAIN ENGINE COOLANT

    Click here

  17. DRAIN ENGINE OIL

    Click here

  18. REMOVE COOL AIR INTAKE DUCT SEAL

    Click here

  19. REMOVE INLET AIR CLEANER ASSEMBLY

    Click here

  20. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE

    Click here

  21. REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY


    1. B007XN7

      Remove the air cleaner filter element sub-assembly from the air cleaner case sub-assembly.

  22. REMOVE AIR CLEANER CASE SUB-ASSEMBLY


    1. B00805M

      Remove the 2 bolts and air cleaner case sub-assembly from the engine mounting insulator LH and air cleaner bracket.

  23. REMOVE AIR CLEANER BRACKET


    1. B007XSK

      Disengage the clamp.

    2. Remove the 2 bolts and air cleaner bracket from the engine mounting insulator LH.

  24. REMOVE V-BANK COVER SUB-ASSEMBLY


    1. B007X85

      Hold the rear of the V-bank cover sub-assembly and raise it to disengage the 2 rear clips.

    2. Raise the V-bank cover sub-assembly to disengage the 2 front clips and remove the V-bank cover sub-assembly.

      Note

      Attempting to disengage both front and rear clips at the same time may cause the V-bank cover sub-assembly to break.

  25. REMOVE ECM

    Click here

  26. DISCONNECT ENGINE WIRE

    Tech Tips

    After disconnecting the wire harness, secure it with tape or equivalent to keep it out of the way.


    1. B007XHM

      Remove the No. 1 relay block cover from the engine room relay block assembly.

    2. B007WLA

      Disconnect the 3 connectors from the engine room relay block assembly.

    3. Remove the nut from the engine room relay block assembly.

    4. Remove the bolt and disconnect the engine wire from the vehicle body.

    5. Disengage the clamp from the engine room relay block assembly.

    6. Remove the 2 nuts from the engine mounting insulator LH and vehicle body.

    7. Using a screwdriver, disengage the claw and disconnect the engine wire from the engine room relay block assembly.

    8. B007XKF

      Disengage the clamp and disconnect the engine wire from the engine mounting insulator LH.

    9. B007ZPI

      Remove the nut and engine room main wire with engine wire from the positive (+) battery terminal.

    10. Disengage the 2 claws to disconnect the engine room main wire from the engine wire.

    11. B007XEA

      Disengage the clamp and disconnect the engine wire from the vehicle body.

    12. B007XFZ

      Remove the bolt and disconnect the No. 2 earth wire from the bracket.

  27. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY

    for U881E: Click here

    for U881F: Click here

  28. DISCONNECT FUEL VAPOR FEED HOSE ASSEMBLY


    1. B007WS5

      Slide the clip and disconnect the fuel vapor feed hose assembly from the No. 1 vacuum switching valve.

  29. DISCONNECT NO. 1 FUEL HOSE


    1. B007XB6

      Remove the No. 2 fuel pipe clamp from the fuel tube connector.

    2. Disconnect the No. 2 fuel tube sub-assembly (for Direct Injection).


      1. B007XI4

        Disconnect the No. 2 fuel tube sub-assembly from the fuel pipe.

        Click here

    3. Disconnect the fuel tube sub-assembly (for Port Injection).


      1. B007XFT

        Disconnect the fuel tube sub-assembly from the fuel pipe.

        Click here

  30. DISCONNECT NO. 1 RADIATOR HOSE


    1. B007YSY

      Slide the clip and disconnect the No. 1 radiator hose from the water outlet.

    2. Separate the No. 1 radiator hose from the radiator pipe clamp.

  31. DISCONNECT NO. 2 RADIATOR HOSE


    1. B007X3Y

      Slide the clip and disconnect the No. 2 radiator hose from the water inlet.

  32. DISCONNECT INLET HEATER WATER HOSE


    1. B007XK8

      Disengage the clamp.

    2. Slide the clip and disconnect the inlet heater water hose from the water outlet.

  33. DISCONNECT OUTLET HEATER WATER HOSE


    1. B007WV0

      Slide the clip and disconnect the outlet heater water hose from the water inlet pipe.

  34. DISCONNECT UNION TO CHECK VALVE HOSE

    for LHD: Click here

    for RHD: Click here

  35. DISCONNECT NO. 1 TRANSMISSION OIL COOLER HOSE ASSEMBLY


    1. B007ZRZ

      Slide the 2 clips and disconnect the 2 No. 1 transmission oil cooler hose assemblies.

  36. SEPARATE NO. 1 TRANSMISSION OIL COOLER HOSE ASSEMBLY


    1. for 2WD:


      1. B007YU8

        Disengage the clamp and separate the No. 1 transmission oil cooler hose assembly from the No. 2 front suspension member dynamic damper.

    2. for AWD:


      1. B007XO4

        Remove the bolt and separate the No. 1 transmission oil cooler hose assembly to the front frame assembly.

  37. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY

    Click here

  38. DISCONNECT SUCTION HOSE SUB-ASSEMBLY

    Click here

  39. REMOVE EXHAUST MANIFOLD

    Click here

  40. SEPARATE STEERING INTERMEDIATE SHAFT ASSEMBLY

    Click here

  41. REMOVE FRONT DRIVE SHAFT ASSEMBLY

    Click here

  42. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY

    Click here

  43. REMOVE FLYWHEEL HOUSING UNDER COVER


    1. B007YW6

      Remove the 2 bolts and flywheel housing under cover from the automatic transaxle case sub-assembly.

  44. REMOVE DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT

    for U881E: Click here

    for U881F: Click here

  45. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE


    1. Place height adjustment attachments and plate lift attachments, set an engine lifter underneath the engine assembly with transaxle.

      Note


      • Using height adjustment attachments and plate lift attachments, keep the engine assembly with transaxle level.

      • Do not perform any procedures while the engine assembly is suspended because doing so may cause the engine assembly to drop, resulting in injury. However, the engine assembly needs to be suspended when it is installed to or removed from an engine stand.

      • To prevent the engine assembly from unexpectedly moving, securely support the engine assembly until it is secured to an engine stand.

    2. B007ZYM

      Remove the bolt and nut and separate the engine mounting insulator LH from the engine mounting bracket LH.

      Note

      Loosen the bolt while holding the nut in place.

    3. B00801A

      Remove the bolt, 2 nuts and No. 2 engine mounting stay RH.

    4. B007XFF

      Remove the 2 bolts and 2 nuts and separate the engine mounting insulator sub-assembly RH from the front No. 1 engine mounting bracket LH.

    5. B007ZBMC01
      B007WXX Bolt
      B00803L Nut

      Remove the 6 bolts, 2 nuts and frame side rail plate sub-assembly RH and frame side rail plate sub-assembly LH from the front frame assembly and vehicle body.

    6. Remove the 6 bolts, 2 nuts and front suspension member bracket sub-assembly RH and front suspension member bracket sub-assembly LH from the front frame assembly and vehicle body.

    7. Operate the engine lifter and remove the engine assembly with transaxle from the vehicle.

      Note


      • Make sure that the engine assembly with transaxle is clear of all wiring and hoses.

      • While lowering the engine assembly with transaxle from the vehicle, do not allow it to contact the vehicle.

  46. INSTALL ENGINE HANGERS


    1. B007Z1TC01
      *A for Bank 1
      *B for Bank 2
      *1 No. 1 Engine Hanger
      *2 No. 2 Engine Hanger

      Install the No. 1 engine hanger and No. 2 engine hanger with the 4 bolts as shown in the illustration.

      Torque:
      33 N*m  { 337 kgf*cm, 24 ft.*lbf }

      Tech Tips

      No. 1 Engine Hanger 12281-31121
      No. 2 Engine Hanger 12282-31100
      Bolt 91671-10825

    2. Using an engine sling device and engine lifter, secure the engine assembly with transaxle.

      Note


      • Adjust the angle of the sling device carefully to prevent damage or deformation to the engine hangers or engine assembly.

      • Do not perform any procedures while the engine assembly is suspended because doing so may cause the engine assembly to drop, resulting in injury. However, the engine assembly needs to be suspended when it is installed to or removed from an engine stand.

  47. REMOVE ENGINE WIRE


    1. Disconnect all clamps and connectors and remove the engine wire from the engine assembly with transaxle.

  48. REMOVE NO. 2 VACUUM SWITCHING VALVE ASSEMBLY

    Click here

  49. REMOVE FRONT NO. 1 STABILIZER BRACKET LH

    Click here

  50. REMOVE FRONT NO. 1 STABILIZER BRACKET RH

    Tech Tips

    Perform the same procedure as for the LH side.

  51. REMOVE STEERING LINK ASSEMBLY

    Click here

  52. REMOVE FRONT FRAME ASSEMBLY


    1. B007ZM5

      Remove the bolt and separate the front engine mounting insulator from the front engine mounting bracket.

    2. B007XR3

      Remove the bolt and rear engine mounting insulator with the front frame assembly from the rear engine mounting bracket.

  53. REMOVE FRONT ENGINE MOUNTING BRACKET

    for U881E: Click here

    for U881F: Click here

  54. REMOVE STARTER ASSEMBLY

    Click here

  55. REMOVE TRANSFER STIFFENER PLATE RH (for AWD)

    Click here

  56. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY

    for U881E: Click here

    for U881F: Click here

  57. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY

    Click here

  58. INSTALL ENGINE ASSEMBLY TO ENGINE STAND


    1. Install the engine assembly to an engine stand.

  59. REMOVE ENGINE HANGERS


    1. Remove the 4 bolts, No. 1 engine hanger and No. 2 engine hanger from the cylinder head sub-assembly and cylinder head LH.

  60. REMOVE FRONT ENGINE MOUNTING INSULATOR

    Tech Tips

    Perform this procedure only when replacement of the front engine mounting insulator is necessary.


    1. B007WTX

      Remove the hole plug from the front frame assembly.

    2. B007Z1V

      Remove the 3 nuts and front engine mounting insulator from the front frame assembly.

  61. REMOVE REAR ENGINE MOUNTING INSULATOR

    Tech Tips

    Perform this procedure only when replacement of the rear engine mounting insulator is necessary.


    1. B007ZMT

      Remove the 2 hole plugs from the front frame assembly.

    2. B007ZVV

      Remove the 4 nuts and rear engine mounting insulator from the front frame assembly.

  62. REMOVE ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH

    Tech Tips

    Perform this procedure only when replacement of the engine mounting insulator sub-assembly RH is necessary.


    1. B007Y79

      Disengage the clamp from the engine mounting insulator sub-assembly RH.

    2. Remove the bolt and separate the cooler bracket from the engine mounting insulator sub-assembly RH.

    3. Remove the bolt and separate the brake actuator with bracket from the engine mounting insulator sub-assembly RH.

    4. Remove the nut, 2 bolts and engine mounting insulator sub-assembly RH from the engine mounting spacer and vehicle body.

  63. REMOVE ENGINE MOUNTING SPACER

    Tech Tips

    Perform this procedure only when replacement of the engine mounting spacer is necessary.


    1. B007ZDE

      Remove the 2 bolts and engine mounting spacer from the vehicle body.

  64. REMOVE ENGINE MOUNTING INSULATOR LH

    Tech Tips

    Perform this procedure only when replacement of the engine mounting insulator LH is necessary.


    1. B007XRV

      Remove the 5 bolts and engine mounting insulator LH from the vehicle body.