LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Power Distribution (Service Information)) >> Main Body Ecu >> Removal [07/2022 - ] >> Procedure

Removal [07/2022 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to REMOVAL [07/2022 - ]

  2. REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY 
    1. Remove the bolt, nut and the No. 3 instrument panel to cowl brace sub-assembly.
      GTY804362Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU 
    1. Disengage the clamp.
      GTY804363Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 5 connectors.
      GTY833672Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disengage the claws and pull down the lock levers to disconnect the 2 connectors as shown in the illustration.
      GTY819337Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
    4. Remove the bolt and nut.
      GTY804360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Pull out the instrument panel junction block assembly with main body ECU.
    6. Disengage the clamp.
      GTY804371Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Disengage the clamp.
      GTY803115Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
    8. Disengage the claws and pull down the lock levers to disconnect the 2 connectors as shown in the illustration.
    9. Remove the instrument panel junction block assembly with main body ECU.
  4. REMOVE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    1. Remove the bolt.
      GTY833674Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the clamp to remove the wiring harness clamp bracket.
    3. Press the claw of the instrument panel junction block assembly as shown in the illustration to release the lock.
      GTY552130Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Instrument Panel Junction Block Assembly
      *2 Main Body ECU (Multiplex Network Body ECU)
      Push in this Direction
    4. With the instrument panel junction block assembly lock released, insert a screwdriver with its tip wrapped in protective tape horizontally between the main body ECU (multiplex network body ECU) and the instrument panel junction block assembly.
      GTY571118Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protective Tape
      Insert in this Direction
      Remove in this Direction
      NOTE:
      • Use a screwdriver with a diameter between 5.0 mm (0.197 in.) and 6.3 mm (0.248 in.) and a length of approximately 90 mm (3.54 in.).
      • Do not insert the screwdriver under the connector socket of the main body ECU (multiplex network body ECU).
    5. Using the screwdriver, carefully raise the main body ECU (multiplex network body ECU) to the position where the connector becomes disconnected.
      NOTE:

      Do not twist the screwdriver to raise the main body ECU (multiplex network body ECU).

    6. Raise the main body ECU (multiplex network body ECU) as shown by the arrow (1), and then pull it out as shown by the arrow (2) in the illustration.
      GTY584377Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction (1)
      Remove in this Direction (2)
      NOTE:

      Do not touch the main body ECU (multiplex network body ECU) connector.

scientia non olet · About LEMON Manuals