CYLINDER HEAD DISASSEMBLY

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 unit 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 Perform steering sensor zero point calibration Lane departure alert system (w/ Steering Control)

Click here

Pre-collision system
Memorize steering angle neutral point Parking assist monitor system

Click here

Panoramic view monitor system

Click here

Replacement of ECM Vehicle Identification Number (VIN) registration MIL comes on

Click here

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

  • Replacement of engine assembly

  • Gas leak from exhaust system is repaired

  • Replacement of throttle body with motor assembly

  • Replacement of cylinder head sub-assembly

  • Replacement of camshaft

    (for intake or exhaust camshaft)

  • Replacement of camshaft timing gear assembly

  • Replacement of camshaft timing exhaust gear assembly

  • Replacement of spark plug

  • Replacement of ignition coil assembly

  • Replacement of knock control sensor

  • Replacement of engine coolant temperature sensor

  • Replacement of port fuel injector assembly

  • Replacement of direct fuel injector assembly

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

  • Replacement of fuel pressure sensor (fuel delivery pipe sub-assembly) (for high pressure side)

 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

Click here for U761E Initialization

Click here for U761E Registration

Replacement of ECM

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

 Possible

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

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 ECM Perform code registration (Immobiliser function)

  • Wireless door lock control system

  • Smart Entry and Start System (for Entry Function)

  • Smart Entry and Start System (for Start Function)

  • Steering lock function

 See Service Bulletin for the registration method.
Suspension, tires, etc.*1 Rear television camera assembly optical axis (Back camera position setting) Parking assist monitor system

Click here for Initialization

Click here for Calibration

  • Television camera controller initialization

  • Adjust steering angle

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

 Panoramic view monitor system

Click here for Initialization

Click here for Calibration
Replacement of front bumper assembly Front television camera view adjustment
Front wheel alignment adjustment Perform system variant learning and acceleration sensor zero point calibration.

  • VSC disabled or malfunctioning

  • DTCs are output

  • Slip indicator light illuminated

  • ABS warning light illuminated

Click here

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

PROCEDURE


  1. REMOVE INTAKE VALVE


    1. B0083ZCN01

      Using SST, compress each compression spring and remove the 8 valve spring retainer locks.

      SST
      09202-70020

      Tech Tips

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

    2. Remove the 8 valve spring retainers, 8 compression springs and 8 intake valves from the cylinder head sub-assembly.

      Tech Tips

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

  2. REMOVE EXHAUST VALVE


    1. B0083FCN01

      Using SST, compress the compression spring and remove the 2 valve spring retainer locks.

      SST
      09202-70020

    2. Remove the valve spring retainer, compression spring and exhaust valve from the cylinder head sub-assembly.

      Tech Tips

      Arrange the removed parts in the correct order.

  3. REMOVE VALVE STEM OIL SEAL


    1. B0085PO

      Using needle-nose pliers, remove the valve stem oil seals.

  4. REMOVE EXHAUST VALVE SPRING SEAT


    1. B0085YJ

      Using compressed air and a Magnet Hand, remove the valve spring seats by blowing air onto them.

  5. REMOVE NO. 1 STRAIGHT SCREW PLUG

    B0084AB

    Note

    If coolant leaks from a No. 1 straight screw plug or a plug is corroded, replace it.


    1. Using a 10 mm hexagon wrench, remove the 3 No. 1 straight screw plugs and 3 gaskets.

  6. REMOVE NO. 2 STRAIGHT SCREW PLUG

    B0083E9

    Note

    If coolant leaks from the No. 2 straight screw plug or the plug is corroded, replace it.


    1. Using a 14 mm hexagon wrench, remove the No. 2 straight screw plug and gasket.

  7. REMOVE CYLINDER HEAD STUD BOLT

    Note

    If a cylinder head stud bolt is deformed or its threads are damaged, replace it.