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Main Body ECM: Removal

  1. Precautions
    • Always carry out work support when replacing the main body ECM (Network gateway computer). (Refer to WORK SUPPORT )
    • After turning the ignition switch to OFF, you may have to wait for a while before disconnecting the battery terminals. Check appropriate precautions for battery terminal disconnection before proceeding.
  2. Disconnection of the battery ground terminal (Refer to WORKING PRECAUTIONS AND NOTES )
  3. Removal of the instrument side panel LH (Refer to REMOVAL , Step 14)
  4. Removal of the instrument panel under cover SUB-ASSY No. 1 (Refer to LIGHT CONTROL RHEOSTAT )
  5. Removal of the instrument panel junction block ASSY
    1. Disconnect the two connectors from the power steering computer ASSY.
      G08557370Courtesy of SUBARU OF AMERICA, INC.
    2. Disconnect the six connectors on the front of the instrument panel junction block ASSY.
      G08557371Courtesy of SUBARU OF AMERICA, INC.
    3. Undo the bolt and nut and detach the instrument panel junction block ASSY.
      G08557372Courtesy of SUBARU OF AMERICA, INC.
    4. As shown in the diagram, unhook the tabs and disconnect the instrument panel junction block ASSY rear connector.
      G12594721Courtesy of SUBARU OF AMERICA, INC.
    5. As shown in the diagram, unhook the tabs and release the connector lock.
      G12594722Courtesy of SUBARU OF AMERICA, INC.
    6. As shown in the diagram, unhook the tabs and detach the connector.
    7. Remove the instrument panel junction block ASSY.
    G12594723Courtesy of SUBARU OF AMERICA, INC.
    G12594724Courtesy of SUBARU OF AMERICA, INC.
  6. Removal of the main body ECM (Network gateway computer)
    1. Press the instrument panel junction block ASSY tab to release the main body ECM (Network gateway computer) lock.
    2. Once the lock is released, insert a flat tip screwdriver horizontally that has been wrapped in protective tape between the main body ECM (Network gateway computer) and the instrument panel junction block ASSY.
      CAUTION: Please use a flat tip screwdriver with a shaft diameter between 5.0 mm {0.197 in} and 6.3 mm {0.248 in}, and a length of 90mm {3.543 in} or more.
      G12594725Courtesy of SUBARU OF AMERICA, INC.
    3. As shown in the diagram, use the inserted flat tip screwdriver to lift up the main body ECM (Network gateway computer) until it is in a position where the connector can be moved.
      CAUTION: Do not use the flat tip screwdriver to lift it up with a prying action.
      G12594726Courtesy of SUBARU OF AMERICA, INC.
    4. Lift up the main body ECM (Network gateway computer) in the direction of arrow (1) in the diagram and slide it out in the direction of arrow (2).
      CAUTION: Do not touch the ECM connector.