ENGINE UNIT 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 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

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

w/ Canister Pump Module: Click here

w/o Canister Pump Module 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 cam timing control motor with EDU assembly

  • Removal and installation of a cam timing control motor with EDU assembly

  • Replacement of camshaft timing gear assembly

  • Removal and installation of a camshaft timing gear assembly

  • Replacement of cylinder head sub-assembly

  • Replacement of camshaft (for intake or exhaust camshaft)

  • Replacement of camshaft timing exhaust gear assembly

  • Replacement of port fuel injector assembly

  • Replacement of direct fuel injector assembly

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

  • Replacement of engine coolant temperature sensor

  • Replacement of spark plug

  • Replacement of ignition coil assembly

  • Replacement of EGR valve assembly

  • Replacement of knock control sensor

  • Replacement of air fuel ratio sensor (sensor 2)

 Inspection After Repair

  • Poor idle, etc.

  • Engine start function, etc.

w/ Canister Pump Module: Click here

w/o Canister Pump Module: 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 UB80E Initialization

Click here for UB80E 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
Perform headlight ECU sub-assembly LH initialization Lighting system (EXT) (w/ Automatic Headlight Beam Level Control System)

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.

Note

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

Click here

PROCEDURE


  1. REMOVE DRIVE SHAFT BEARING BRACKET


    1. B006Y95

      Remove the 3 bolts and drive shaft bearing bracket.

  2. REMOVE V-RIBBED BELT

    Click here

  3. REMOVE GENERATOR ASSEMBLY

    Click here

  4. REMOVE COMPRESSOR ASSEMBLY WITH PULLEY


    1. for Type A:


      1. B0071QNC01
        B006Z38 Bolt
        B006ZY0 Nut

        Remove the 2 bolts and 2 nuts.

      2. B006XWB

        Using an E8 "TORX" socket wrench, remove the 2 stud bolts and compressor assembly with pulley.

    2. for Type B:


      1. B006YA9

        Remove the 4 bolts and compressor assembly with pulley.

  5. REMOVE NO. 2 ENGINE COVER


    1. B006Z8K

      Remove the 2 bolts and No. 2 engine cover from the No. 2 timing gear cover assembly.

  6. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY

    Note


    • Do not apply or add any oil or grease to the belt tensioner to prevent abnormal noises from the belt tensioner pulley, belt squealing, etc.

    • Do not allow oil or grease to adhere to the moving parts of the belt tensioner, as this may cause malfunctions.

    B006Z3V

    1. B0070Z9

      Remove the 2 bolts and V-ribbed belt tensioner assembly from the No. 2 timing gear cover assembly.

  7. REMOVE NO. 2 TIMING CHAIN COVER INSULATOR


    1. B006YIS

      Remove the No. 2 timing chain cover insulator from the V-ribbed belt tensioner assembly.

  8. REMOVE TIMING GEAR COVER INSULATOR


    1. B006YW8

      Using an 8 mm socket wrench, remove the bolt, plate washer and timing gear cover insulator from the No. 2 timing gear cover assembly.

  9. REMOVE NO. 3 TIMING CHAIN COVER


    1. B0070K2

      Using an 8 mm socket wrench, remove the bolt, plate washer and No. 3 timing chain cover from the No. 2 timing gear cover assembly.

  10. REMOVE NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY


    1. B006WWL

      Slide the clip and disconnect the No. 2 water by-pass pipe sub-assembly from the outlet water by-pass sub-assembly.

    2. Remove the bolt and No. 2 water by-pass pipe sub-assembly.

  11. REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY)


    1. B006XIH

      Remove the bolt to disconnect the flow shutting valve (water by-pass hose assembly).

    2. Disengage the 2 clamps to disconnect the wire harness.

    3. B006ZA7

      Remove the 2 bolts and the water hose clamp bracket.

    4. B006Y72

      Slide the clip and disconnect the flow shutting valve (water by-pass hose assembly) from the water by-pass outlet sub-assembly.

      Tech Tips

      Use a container to catch any engine coolant which flows out of the flow shutting valve (water by-pass hose assembly) and water by-pass outlet sub-assembly.

  12. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR


    1. B0071DY

      Remove the 5 bolts and No. 1 exhaust manifold heat insulator from the exhaust manifold (TWC: Front Catalyst).

  13. REMOVE MANIFOLD STAY

    Click here

  14. REMOVE EXHAUST MANIFOLD (TWC: Front Catalyst)


    1. B006Z4C

      Using a 12 mm deep socket wrench, remove the 7 nuts and separate the exhaust manifold (TWC: Front Catalyst) from the cylinder head sub-assembly.

    2. B0071IX

      Remove the exhaust manifold to head gasket from the cylinder head sub-assembly.

  15. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY

    Click here

  16. REMOVE THROTTLE BODY GASKET

    Click here

  17. REMOVE EGR COOLER ASSEMBLY


    1. B006YOOC01
      *1 No. 3 Water By-pass Hose
      *2 Water Hose Connector

      Disconnect the water hose connector from the EGR cooler assembly.

    2. Disconnect the No. 3 water by-pass hose from the EGR cooler assembly.

    3. B00704G

      Remove the 5 bolts, EGR cooler assembly, EGR cooler gasket and EGR valve gasket.

  18. REMOVE NO. 1 EGR COOLER BRACKET


    1. B006X92

      Remove the 2 bolts and No. 1 EGR cooler bracket from the EGR valve bracket and water outlet.

  19. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY


    1. B006WVK

      Using an 8 mm socket wrench, remove the 4 bolts, No. 1 EGR pipe sub-assembly, EGR inlet gasket and EGR valve adapter gasket.

  20. REMOVE WATER HOSE CONNECTOR


    1. B0071BCC01
      *a Retainer
      B006Z38 Pinch
      B006ZY0 Pull
      B006YM5 Pull off

      Remove the water hose connector from the EGR valve assembly.


      1. Pinch the retainer of the water hose connector and then pull out the retainer to disengage the lock claws and pull off the water hose connector.

  21. REMOVE EGR VALVE ASSEMBLY


    1. B006YXT

      Disconnect the clamp.

    2. Slide the clip and disconnect the No. 8 water by-pass hose from the EGR valve assembly.

    3. B006Z1Q

      Using an 8 mm socket wrench, remove the 2 bolts.

    4. B00708TC01
      *a Pin
      *b Hole

      Remove the EGR valve assembly vertically.

    5. B007142

      Using an 8 mm socket wrench, remove the bolt and EGR valve bracket.

  22. REMOVE NO. 3 WATER BY-PASS PIPE


    1. B006X5D

      Using an 8 mm socket wrench, remove the bolt and No. 3 water by-pass pipe from the intake manifold.

    2. Slide the clip and disconnect the No. 3 water by-pass pipe from the water outlet.

  23. REMOVE NO. 2 WATER BY-PASS PIPE


    1. B006YMGN02

      Remove the bolt (A).

    2. Using an 8 mm socket wrench, remove the 2 bolts (B) and No. 2 water by-pass pipe.

  24. REMOVE INTAKE MANIFOLD

    Click here

  25. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET

    Click here

  26. DISCONNECT FUEL TUBE SUB-ASSEMBLY

    Click here

  27. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY


    1. B006Y9Z

      Using a 17 mm union nut wrench, loosen the 2 union nuts of the No. 1 fuel pipe sub-assembly.

  28. REMOVE FUEL PUMP ASSEMBLY (for High Pressure)

    Click here

  29. REMOVE NO. 7 WATER BY-PASS HOSE


    1. B0070NL

      Slide the 2 clips and remove the No. 7 water by-pass hose.

  30. REMOVE SENSOR WIRE


    1. B0070J3

      Disconnect the 4 connectors.

    2. Disengage the 3 clamps.

    3. Using an 8 mm socket wrench, remove the bolt and sensor wire from the water inlet with thermostat sub-assembly.

  31. REMOVE NO. 6 ENGINE WIRE


    1. B00716O

      Disconnect the 4 connectors.

    2. Disengage the 2 clamps.

    3. Remove the 2 nuts and No. 6 engine wire from the wire harness clamp bracket.

  32. REMOVE WIRE HARNESS CLAMP BRACKET


    1. B006Z4V

      Using an 8 mm socket wrench, remove the 2 bolts and wire harness clamp bracket from the No. 1 ventilation case.

  33. REMOVE FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY

    Click here

  34. REMOVE NO. 1 DELIVERY PIPE SPACER

    Click here

  35. REMOVE INJECTOR VIBRATION INSULATOR

    Click here

  36. REMOVE NO. 5 ENGINE WIRE

    Click here

  37. REMOVE PORT FUEL INJECTOR ASSEMBLY

    Click here

  38. REMOVE FUEL DELIVERY PIPE

    Click here

  39. REMOVE DIRECT FUEL INJECTOR ASSEMBLY

    Click here

  40. REMOVE FUEL INJECTOR SEAL

    Click here

  41. REMOVE IGNITION COIL ASSEMBLY

    Click here

  42. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE


    1. Remove the engine oil level dipstick.

    2. B006YB8

      Using an 8 mm socket wrench, remove the bolt and engine oil level dipstick guide from the cylinder head sub-assembly.

    3. B0070U5

      Remove the O-ring from the engine oil level dipstick guide.

  43. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

    Click here

  44. REMOVE ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING)


    1. B00712J

      Remove the 4 bolts, engine water pump assembly (water inlet housing) and gasket from the cylinder block sub-assembly.

  45. REMOVE NO. 3 EXHAUST MANIFOLD HEAT INSULATOR


    1. B006YJY

      Remove the 2 bolts and No. 3 exhaust manifold heat insulator from the cylinder block sub-assembly.

  46. REMOVE PURGE VALVE (PURGE VSV)


  47. REMOVE NO. 2 VACUUM SWITCHING VALVE BRACKET


    1. B006YVZ

      Using an 8 mm socket wrench, remove the 2 bolts and No. 2 vacuum switching valve bracket from the cylinder head sub-assembly.