MAIN BODY ECU REMOVAL

PROCEDURE


  1. PRECAUTION

    Note

    After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work.( Click here)

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  3. REMOVE UPPER INSTRUMENT PANEL SUB-ASSEMBLY (for LHD)

    Click here

  4. REMOVE LOWER NO. 2 INSTRUMENT PANEL FINISH PANEL (for LHD)

    Click here

  5. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY (for RHD)

    Tech Tips

    Use the same procedure as for the LHD side Click here.

  6. SEPARATE INSTRUMENT PANEL WIRE


    1. A0046Z5

      Remove the screw.

    2. Disengage the clamp and remove the instrument panel wire.

  7. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. A0049H9

      Disengage the clamps.

    2. Disconnect the connectors on the front side of the instrument panel junction block.

    3. Disconnect the main body ECU connector.

    4. A0047H0

      Remove the 2 bolts.

    5. A004AEN

      Disengage the claw and 2 clamps and separate the instrument panel junction block.

    6. A00490YE01

      Disconnect the back side connector A indicated as shown in the illustration.

    7. A0049BAE06
      Text in Illustration
      *a Lever

      Slide the lever to the upward.

    8. Disconnect the back side connector B indicated as shown in the illustration.

    9. Remove the instrument panel junction block.

  8. REMOVE JUNCTION BLOCK BRACKET


    1. A00499HE01
      Text in Illustration
      *1 Protective Tape

      Using a screwdriver with its tip wrapped in protective tape, disengage the claw and remove the junction block bracket.

  9. REMOVE JUNCTION BLOCK BRACKET


    1. A004ANOE01
      Text in Illustration
      *1 Protective Tape

      Using a screwdriver with its tip wrapped in protective tape, disengage the claw and remove the junction block bracket.

  10. REMOVE MAIN BODY ECU


    1. A00483PE03
      Text in Illustration
      *1 Protective Tape
      *2 Main Body ECU
      *3 Instrument Panel Junction Block

      Release the lock on the junction block side.

    2. While pressing the lock on the junction block side, insert a screwdriver with its tip wrapped in protective tape between the main body ECU and the junction block.

      Note

      Use a thin-blade screwdriver with a diameter of 5.0 to 6.3 mm (0.197 to 0.248 in.), and with a length of 90 mm or more.

    3. A0048QQ

      Do not pry the inserted screwdriver. Lift up the main body ECU to the point where the lock releases.

      Note


      • Do not twist the screwdriver to raise the main body ECU.

      • If any terminals of the connectors, locking parts or cases are deformed or damaged, replace the instrument panel junction block assembly or the main body ECU.

    4. A0047TN

      Remove the main body ECU by pulling it out from the junction block.

      Note

      Do not touch the main body ECU connector.