CAMSHAFT 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 camshaft 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.

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

  • Large shift shock

  • Deterioration of fuel efficiency

Click here for Initialization (U661E)

Click here for Registration (U661E)

Click here for Initialization (U661F)

Click here for Registration (U661F)
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

  • Replacement of camshaft (for intake or exhaust camshaft)

  • Replacement of camshaft timing gear assembly

  • Replacement of camshaft timing exhaust gear assembly

  • Replacement of fuel pump assembly (for high pressure side)

  • Replacement of ignition coil assembly

  • Gas leak from exhaust system is repaired

 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 (U661E)

Click here for Registration (U661E)

Click here for Initialization (U661F)

Click here for Registration (U661F)
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

  1. Clearing 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 Click here

PROCEDURE


  1. INSTALL ENGINE TO ENGINE STAND

    Click here

  2. REMOVE ENGINE HANGERS

    Click here

  3. REMOVE IGNITION COIL ASSEMBLY

    Click here

  4. REMOVE V-RIBBED BELT

    Click here

  5. DISCONNECT ENGINE WIRE


    1. B005Q0ZC01
      B005NIZ Connector
      B005LWS Bolt

      Disconnect the 5 connectors.

    2. Remove the 3 bolts and disconnect the engine wire.

  6. REMOVE FUEL PUMP ASSEMBLY (for High Pressure)

    Click here

  7. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY

    Click here

  8. DISCONNECT NO. 2 VACUUM TRANSMITTING HOSE ASSEMBLY

    Click here

  9. REMOVE VACUUM PUMP ASSEMBLY

    Click here

  10. SET NO. 1 CYLINDER TO TDC/COMPRESSION


    1. B005OVYC02
      *a Paint Mark
      *b Timing Mark
      *c Timing Notch (Groove)

      Turn the crankshaft pulley until its timing notch (groove) and the timing mark "0" of the timing chain cover assembly are aligned.

    2. Check that each timing mark of the camshaft timing gear assembly and camshaft timing exhaust gear assembly is positioned as shown in the illustration. If not, turn the crankshaft 1 revolution (360°) to align the timing marks as shown in the illustration.

    3. Place paint marks on the chain sub-assembly in alignment with the timing marks on the camshaft timing gear assembly and camshaft timing exhaust gear assembly.

  11. REMOVE TIMING CHAIN COVER PLATE

    Click here

  12. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY


    1. B005OA6C01
      *a Approximately 15°

      Turn the crankshaft pulley approximately 15° clockwise.

    2. B005Q4PC01
      *a Approximately 15°

      Turn the crankshaft pulley approximately 15° counterclockwise.

    3. B005PA1C02
      *a Stopper Plate
      *b Pin

      Align the holes of the stopper plate and No. 1 chain tensioner assembly, and insert a pin into the stopper plate hole to lock the No. 1 chain tensioner assembly.

    4. B005OA6C01
      *a Approximately 15°

      Turn the crankshaft pulley approximately 15° clockwise.

    5. B005OWB

      Remove the bolt, nut, No. 1 chain tensioner assembly and gasket.

      Note

      Be careful not to drop the gasket into the timing chain cover assembly.

    6. B005Q4PC01
      *a Approximately 15°

      Turn the crankshaft pulley approximately 15° counterclockwise.

  13. REMOVE TIMING CHAIN GUIDE

    Click here

  14. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY

    Click here

  15. REMOVE CAMSHAFT TIMING GEAR BOLT


    1. B005M9GC03
      *a Hold
      *b Turn

      Using a wrench to hold the hexagonal portion of the camshaft, remove the camshaft timing gear bolt from the camshaft.

      Note

      Be careful not to damage the cylinder head sub-assembly or spark plug tube with the wrench.

  16. REMOVE CAMSHAFT BEARING CAP


    1. B005PXEN03

      Remove the 11 bolts in several steps in the order shown in the illustration.

    2. B005P9ZN02

      Remove the 10 bolts in several steps in the order shown in the illustration.

      Note

      Make sure to loosen the bolts evenly while holding the camshaft horizontally.

    3. Remove the No. 1 camshaft bearing cap, No. 2 camshaft bearing cap, No. 3 camshaft bearing cap and No. 4 camshaft bearing cap.

      Tech Tips

      Arrange the removed parts in such a way that they can be reinstalled to their original locations.

  17. REMOVE CAMSHAFT


    1. B005OLK

      Raise the camshaft as shown in the illustration to remove it from the camshaft timing gear assembly.

      Note

      Be careful not to damage the camshaft or camshaft timing gear assembly with the wrench.

  18. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY


    1. B005PAO

      Remove the camshaft timing gear assembly.

      Note


      • Do not disassemble the camshaft timing gear assembly.

      • Be careful not to damage the camshaft timing gear assembly with the wrench.

  19. REMOVE NO. 2 CAMSHAFT


    1. B005PKU

      Hold up the chain sub-assembly and remove the No. 2 camshaft from the camshaft housing sub-assembly.

    2. B005LIA

      Suspend the chain sub-assembly with a string or equivalent as shown in the illustration.

      Note

      Be careful not to drop the chain sub-assembly into the timing chain cover assembly.

  20. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY


    1. B005OWAC01
      *a Hexagonal Portion

      Using SST, grip the hexagonal portion, and then secure the SST and No. 2 camshaft in a vise as shown in the illustration.

      SST
      09212-31010

      Note


      • Do not damage the No. 2 camshaft.

      • Never grip areas other than the hexagonal portion, as this may cause damage.

    2. B005MIK

      Remove the bolt and camshaft timing exhaust gear assembly.

      Note


      • Do not disassemble the camshaft timing exhaust gear assembly.

      • Be careful not to damage the No. 2 camshaft and camshaft timing exhaust gear assembly.

  21. REMOVE OIL CONTROL VALVE FILTER

    Click here

  22. REMOVE NO. 1 CAMSHAFT BEARING

    Click here

  23. REMOVE NO. 2 CAMSHAFT BEARING

    Click here

  24. INSPECT CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY

    Click here