Main Body Ecu (For Hatchback) Removal

Power Source Network. Yaris. Ncp93, 131
Power Distribution. Yaris. Ncp93, 131

  1. REMOVE UPPER INSTRUMENT PANEL SUB-ASSEMBLY

  2. REMOVE LOWER NO. 2 INSTRUMENT PANEL FINISH PANEL

  3. SEPARATE INSTRUMENT PANEL WIRE

  4. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  5. REMOVE JUNCTION BLOCK BRACKET

  6. REMOVE JUNCTION BLOCK BRACKET

  7. REMOVE MAIN BODY ECU

Main Body Ecu (For Hatchback) -- Removal



1. REMOVE UPPER INSTRUMENT PANEL SUB-ASSEMBLY
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2. REMOVE LOWER NO. 2 INSTRUMENT PANEL FINISH PANEL


    Yaris. Ncp93, 131
  1. Disengage the 5 clips and the 2 claws and remove the instrument panel finish panel.



3. SEPARATE INSTRUMENT PANEL WIRE


    Yaris. Ncp93, 131
  1. Remove the screw.

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



4. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    Yaris. Ncp93, 131
  1. Disengage the clamps.

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

  1. Disconnect the main body ECU connector.



    Yaris. Ncp93, 131
  1. Remove the 2 bolts.



    Yaris. Ncp93, 131
  1. Disengage the claw and 2 clamps and separate the instrument panel junction block.



    Yaris. Ncp93, 131.Power Distribution.Main Body Ecu (For Hatchback).Main Body Ecu (For Hatchback)  Removal
  1. Disconnect the back side connector A indicated as shown in the illustration.



    Yaris. Ncp93, 131.Power Distribution.Main Body Ecu (For Hatchback).Main Body Ecu (For Hatchback)  Removal
  1. Slide the lever to the upward.

    Text in Illustration
    *a
    Lever
  1. Disconnect the back side connector B indicated as shown in the illustration.

  1. Remove the instrument panel junction block.



5. REMOVE JUNCTION BLOCK BRACKET


    Yaris. Ncp93, 131.Power Distribution.Main Body Ecu (For Hatchback).Main Body Ecu (For Hatchback)  Removal
  1. Using a screwdriver with its tip wrapped in protective tape, disengage the claw and remove the junction block bracket.

    Text in Illustration
    *1
    Protective Tape


6. REMOVE JUNCTION BLOCK BRACKET


    Yaris. Ncp93, 131.Power Distribution.Main Body Ecu (For Hatchback).Main Body Ecu (For Hatchback)  Removal
  1. Using a screwdriver with its tip wrapped in protective tape, disengage the claw and remove the junction block bracket.

    Text in Illustration
    *1
    Protective Tape


7. REMOVE MAIN BODY ECU


    Yaris. Ncp93, 131.Power Distribution.Main Body Ecu (For Hatchback).Main Body Ecu (For Hatchback)  Removal
  1. Release the lock on the junction block side.

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

    NOTICE:
    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.


    Yaris. Ncp93, 131
  1. Do not pry the inserted screwdriver. Lift up the main body ECU to the point where the lock releases.

    NOTICE:
    1. Do not twist the screwdriver to raise the main body ECU.
    2. 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.


    Yaris. Ncp93, 131
  1. Remove the main body ECU by pulling it out from the junction block.

    NOTICE:
    Do not touch the main body ECU connector.