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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Hybrid Battery Control System - Service Information (1 Of 5) >> Hybrid Vehicle Control Ecu >> Removal [10/2020 - 11/2021] >> Procedure

Removal [10/2020 - 11/2021]: Procedure

  1. PRECAUTION 
    WARNING:

    Be sure to read precaution thoroughly before servicing.

    GTY607029Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    w/ Advanced Park: -

    w/o Advanced Park: Refer to PRECAUTION [10/2020 - 11/2021]

    NOTE:

    After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

  2. REMOVE LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 25

  3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to PROCEDURE - Step 4

    WARNING:
    • Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
    • If the airbag deploys for any reason, it may cause a serious accident.
    GTY684647Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to PROCEDURE - Step 9

  5. REMOVE INSTRUMENT SIDE PANEL LH 

    Refer to PROCEDURE - Step 7

  6. REMOVE LOWER NO. 1 INSTRUMENT PANEL PAD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 14

  7. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY 

    Refer to PROCEDURE - Step 22

  8. REMOVE GLOVE COMPARTMENT DOOR PAD PLATE 

    Refer to PROCEDURE - Step 31

  9. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY 

    Refer to PROCEDURE - Step 32

  10. REMOVE HYBRID VEHICLE CONTROL ECU ASSEMBLY 
    1. w/o Advanced Park:
      1. Disconnect the 4 connectors.
        GTY834282Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Remove the bolt, nut and hybrid vehicle control ECU assembly.
        NOTE:
        • Do not drop the hybrid vehicle control ECU assembly, strike it with tools or subject it to impact.
        • If the hybrid vehicle control ECU assembly is subjected to an impact, replace it with a new one.
    2. w/ Advanced Park:
      1. Disconnect the 3 connectors.
        GTY965006Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Remove the bolt, nut and hybrid vehicle control ECU assembly.
        NOTE:
        • Do not drop the hybrid vehicle control ECU assembly, strike it with tools or subject it to impact.
        • If the hybrid vehicle control ECU assembly is subjected to an impact, replace it with a new one.
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