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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Sub Battery System - Service Information >> MULTI POWER CONTROL COMPUTER (w/ Advanced Drive) >> Installation [11/2021 - 10/2023] >> Procedure

Installation [11/2021 - 10/2023]: Procedure

  1. INSTALL MULTI POWER CONTROL ECU ASSEMBLY 
    NOTE:
    • If the multi power control ECU assembly is subjected to an impact, replace it with a new one.
    • If the multi power control ECU assembly was replaced, turn the power switch to ON and then off with the shift position in P and wait 3 seconds to perform ECU learning.
    • Secure the connector is locked after installation.
    • Refer to the table below for the combination of the multi power control ECU assembly and multi power control sub-battery.
      Parts Combination 1 Combination 2
      Letters on Multi Power Control ECU Label #A #B
      Letters on Multi Power Control Sub-battery Label #1 #2
    GTY1162344Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *1 Multi Power Control ECU Assembly
    *2 Multi Power Control Sub-battery
    *a Label
    1. Install the multi power control ECU assembly to the rear floor pan sub-assembly with the 2 nuts.
      GTY1084702Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

    2. Engage the clamp and connect the floor wire to the multi power control ECU assembly.
    3. Connect the 6 connectors.
      GTY1084703Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL REAR LUGGAGE COMPARTMENT TRAY BRACKET RH 
    1. Attach the clip and install the rear luggage compartment tray bracket RH.
      GTY1084701Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the rope hook assembly with the bolt.

      Torque: 6.5 N.m (66 kgf/cm, 58 in.lbf) 

      GTY1084915Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Attach the claw and close the cap.
      GTY1084613Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
  3. INSTALL LUGGAGE COMPARTMENT TRIM COVER ASSEMBLY RH 

    Refer to PROCEDURE - Step 2

  4. INSTALL SIDE TRIM BOX 

    Refer to PROCEDURE - Step 3

  5. INSTALL REAR LUGGAGE COMPARTMENT TRIM COVER 

    HINT: 

    Use the same procedure described for the rear luggage compartment trim cover (w/o Advanced Drive).

    Refer to PROCEDURE - Step 4

  6. INSTALL NO. 1 LUGGAGE COMPARTMENT LIGHT ASSEMBLY 

    Refer to PROCEDURE - Step 1

  7. INSTALL FRONT LUGGAGE COMPARTMENT TRIM COVER 

    HINT: 

    Use the same procedure described for the front luggage compartment trim cover (w/o Advanced Drive).

    Refer to PROCEDURE - Step 7

  8. INSTALL REAR FLOOR FINISH PLATE 

    Refer to PROCEDURE - Step 2

  9. INSTALL ROPE HOOK ASSEMBLY 

    Refer to PROCEDURE - Step 3

  10. INSTALL LUGGAGE COMPARTMENT TRIM COVER RH 

    Refer to PROCEDURE - Step 12

  11. INSTALL INNER LOWER LUGGAGE COMPARTMENT TRIM COVER 

    Refer to PROCEDURE - Step 9

  12. INSTALL TOOL BOX 

    Refer to PROCEDURE - Step 3

  13. INSTALL LUGGAGE COMPARTMENT FLOOR MAT 

    Refer to PROCEDURE - Step 14

  14. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to INSTALLATION [10/2020 - 10/2023]

  15. INSTALL LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 13

  16. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL 

    Refer to WORK PROCEDURE [11/2021 - 10/2022] , or refer to WORK PROCEDURE [10/2022 - ]

    HINT: 

    When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.

    Refer to AUTOMATIC LEARNING CHART [11/2021 - 10/2023]

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