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 throttle body with motor assembly

  • Cleaning the deposits from the 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 fuel injector assembly (for port injection)

  • Replacement of fuel injector assembly (for direct injection)

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

  • Replacement of engine coolant temperature sensor

  • Replacement of spark plug

  • Replacement of ignition coil assembly

  • Air leaks from intake system

  • Gas leak from exhaust system is repaired

  • Replacement of knock control sensor

 Inspection after repair

  • Poor idle, etc.

  • Engine start function, etc.

Click here

Replacement of automatic transaxle assembly

  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 ECM

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

  1. Reset memory*1

  2. Transfer transaxle compensation code

  3. Perform road test to allow ECM to learn

Replacement of ECM

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

  1. Reset memory*1

  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.

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

 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
Perform headlight ECU sub-assembly LH initialization Lighting system (EXT)

Click here

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: When the ECM is replaced with a new one, reset memory is unnecessary.

PROCEDURE


  1. REMOVE INTAKE VALVE


    1. B0085M9C01
      *a Wooden Block

      Using SST and wooden blocks, compress the inner compression spring and remove the 6 valve spring retainer locks from the valve spring retainer.

      SST
      09202-70020   ( 09202-01010, 09202-01020 )
      09202-00021

      Tech Tips

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

    2. Remove the 6 valve spring retainers, 6 inner compression springs and 6 intake valves from the cylinder head LH.

      Tech Tips

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

  2. REMOVE EXHAUST VALVE


    1. B0089KZC01
      *a Wooden Block

      Using SST and wooden blocks, compress the inner compression spring and remove the 6 valve spring retainer locks from the valve spring retainer.

      SST
      09202-70020   ( 09202-01010, 09202-01020 )
      09202-00021

      Tech Tips

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

    2. Remove the 6 valve spring retainers, 6 inner compression springs and 6 exhaust valves from the cylinder head LH.

      Tech Tips

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

  3. REMOVE INTAKE VALVE STEM OIL SEAL


    1. B0088OD

      Using needle-nose pliers, remove the 6 intake valve stem oil seals from the intake valve guide bush.

  4. REMOVE EXHAUST VALVE STEM OIL SEAL

    Tech Tips

    Use the same procedure as for the intake side.

  5. REMOVE VALVE SPRING SEAT


    1. B0089ME

      Using compressed air and a Magnet Hand, remove the 12 valve spring seats by blowing air onto them from the cylinder head LH.

      Tech Tips

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

  6. REMOVE NO. 1 STRAIGHT SCREW PLUG

    Note

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


    1. B00880C

      Using a 10 mm hexagon socket wrench, remove the 2 No. 1 straight screw plugs and 2 water hole gaskets from the cylinder head LH.

  7. REMOVE NO. 2 STRAIGHT SCREW PLUG

    Note

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


    1. B0088BB

      Using a 14 mm hexagon wrench, remove the No. 2 straight screw plug and cylinder head screw plug gasket from the cylinder head LH.

  8. REMOVE NO. 3 STRAIGHT SCREW PLUG

    Note

    If coolant leaks from a No. 3 straight screw plug or a plug is corroded, replace it.


    1. B0087CV

      Using a 10 mm hexagon socket wrench, remove the 4 No. 3 straight screw plugs and 4 cylinder head screw plug gaskets from the cylinder head LH.