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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension Control System - Service Information >> SUSPENSION CONTROL ECU (for Air Suspension) >> Installation [10/2020 - ] >> Procedure

Installation [10/2020 - ]: Procedure

  1. INSTALL SUSPENSION CONTROL ECU 
    1. Install the suspension control ECU with the 2 nuts.

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

      NOTE:
      • Avoid any impact to the suspension control ECU.
      • Do not drop the suspension control ECU. If it is dropped, replace it with a new one.
      GTY798982Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the 2 connectors.
  2. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to INSTALLATION [10/2020 - 10/2023] , or refer to INSTALLATION [10/2023 - ]

  3. INSTALL SIDE TRIM BOX 

    Refer to PROCEDURE - Step 3 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 3 [11/2021 - 10/2023] , or refer to PROCEDURE - Step 3 [10/2023 - ]

  4. INSTALL REAR FLOOR FINISH PLATE 

    Refer to PROCEDURE - Step 2 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 2 [11/2021 - ]

  5. INSTALL LUGGAGE COMPARTMENT TRIM COVER RH 

    Refer to PROCEDURE - Step 12 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 12 [11/2021 - 10/2023] , or refer to PROCEDURE - Step 12 [10/2023 - ]

  6. INSTALL LUGGAGE COMPARTMENT TRIM COVER LH 

    Refer to PROCEDURE - Step 11 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 11 [11/2021 - 10/2023] , or refer to PROCEDURE - Step 11 [10/2023 - ]

  7. INSTALL ROPE HOOK ASSEMBLY 

    Refer to PROCEDURE - Step 3 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 3 [11/2021 - ]

  8. INSTALL LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 13 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 13 [11/2021 - 10/2023] , or refer to PROCEDURE - Step 13 [10/2023 - ]

  9. INSTALL LUGGAGE COMPARTMENT FLOOR MAT 

    Refer to PROCEDURE - Step 14 [10/2020 - 11/2021] , or refer to PROCEDURE - Step 14 [11/2021 - 10/2023] , or refer to PROCEDURE - Step 14 [10/2023 - ]

  10. CHECK VEHICLE HEIGHT 
    NOTE:

    If the height control sensor link is removed, check the vehicle height.

    1. Change the height control switch from the "NORM" position to the "HIGH" position and back to the "NORM" position again.
    2. Measure the vehicle height.

      Refer to PROCEDURE - Step 2 [10/2020 - 10/2023] , or refer to PROCEDURE - Step 2 [10/2023 - ]

  11. ADJUST VEHICLE HEIGHT 

    Refer to ADJUSTMENT [10/2020 - 10/2023] , or refer to ADJUSTMENT [10/2023 - ]

    NOTE:

    If the height control sensor has been replaced, be sure to adjust the vehicle height.

  12. ADJUST HEADLIGHT ASSEMBLY 

    Refer to ADJUSTMENT [10/2020 - ]

  13. INITIALIZATION AFTER RECONNECTING BATTERY TERMINAL 

    Refer to WORK PROCEDURE [10/2020 - 11/2021] , or 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 [10/2020 - 11/2021] , or refer to AUTOMATIC LEARNING CHART [11/2021 - 10/2023] , or refer to AUTOMATIC LEARNING CHART [10/2023 - ]

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