LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2017 >> Prius Three >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Power Distribution - Service Information >> Main Body Ecu >> Removal [12/2018 - 07/2020] >> Procedure

Removal [12/2018 - 07/2020]: Procedure

  1. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to REMOVAL [12/2018 - 07/2020]

  2. REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY 

    Refer to PROCEDURE - STEP 37

  3. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU 
    1. Disconnect each connector.
      GTY563369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the clamp.
    3. Disengage the 2 claws and pull down the 2 lock levers to disconnect the 2 connectors as shown in the illustration.
      GTY580491Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
    4. Remove the bolt and nut.
      GTY592847Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    5. Pull out the instrument panel junction block assembly with main body ECU.
    6. Disengage the clamp.
      GTY563360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Disengage the clamp.
      GTY545147Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
    8. Disengage the 2 claws and pull down the 2 lock levers to disconnect the 2 connectors as shown in the illustration and remove the instrument panel junction block assembly with main body ECU.
  4. REMOVE WIRING HARNESS CLAMP BRACKET 
    1. Remove the bolt.
      GTY561347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
    2. Disengage the claw and remove the wiring harness clamp bracket as shown in the illustration.
  5. REMOVE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    1. 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
    2. With the instrument panel junction block assembly lock released, insert a screwdriver with its tip wrapped with protective tape horizontally between the main body ECU (multiplex network body ECU) and 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).
    3. 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).

    4. 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