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Home >> Toyota >> 2021 >> Mirai Limited >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Power Distribution System - Service Information >> INTEGRATION RELAY (for Front Side) >> Removal [11/2021 - 12/2022] >> Procedure

Removal [11/2021 - 12/2022]: Procedure

  1. PRECAUTION 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal.

    Refer to BEFORE DISCONNECTING BATTERY [11/2021 - 12/2022]
  2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to REMOVAL [11/2021 - 12/2022]

  3. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 11

  4. REMOVE NO. 1 SEMICONDUCTOR POWER INTEGRATION ECU 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:
    • Make sure the connector terminal is free from oil and grease.
    • Do not disassemble the No. 1 semiconductor power integration ECU.
    1. GTY990723Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction - -
      1. Remove the bolt, detach the guide and remove the No. 1 semiconductor power integration ECU.
      2. Disconnect the power source connector.
        NOTE:

        First disconnect the power supply connector.

      3. Using a thin-bladed screwdriver with its tip wrapped with protective tape, detach the claw and disconnect the lever connector.
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