SUB BATTERY REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during sub-battery module assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Auxiliary battery terminal is disconnected/reconnected Memorize steering angle neutral point LKA /LDA system

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Pre-collision system
Parking assist monitor system

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Steering sensor zero point calibration Variable gear ratio steering system

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Note

After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.

Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal
System Name See Procedure
Vehicle enrolled in lexus enform system or safety connect system 6 minutes
Vehicle not enrolled in lexus enform system and safety connect system 1 minute

PROCEDURE


  1. REMOVE NO. 2 DECK BOARD

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  2. PRECAUTION

    Note

    After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

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  3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

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  4. REMOVE NO. 1 DECK BOARD

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  5. REMOVE LUGGAGE COMPARTMENT TRIM COVER RH

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  6. REMOVE LUGGAGE COMPARTMENT TRIM COVER LH

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  7. REMOVE SIDE TRIM BOX

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  8. REMOVE REAR FLOOR FINISH PLATE

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  9. REMOVE LUGGAGE COMPARTMENT TRIM BOX

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  10. REMOVE NO. 1 LUGGAGE COMPARTMENT LIGHT ASSEMBLY

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  11. REMOVE FRONT LUGGAGE COMPARTMENT TRIM COVER

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  12. REMOVE INNER LUGGAGE COMPARTMENT TRIM COVER RH

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  13. REMOVE NO. 2 DECK BOARD BRACKET

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  14. REMOVE CONNECTOR COVER

    B004B5I

    1. Detach the 2 claws and connector cover.

  15. REMOVE SUB-BATTERY MODULE ASSEMBLY


    1. B004C77

      Loosen the 2 nuts and disconnect the 2 sub-battery terminals from the sub-battery module assembly.

    2. Disconnect the connector from the sub-battery assembly with control.

    3. B004BZI

      Loosen the 2 bolts and 2 nuts and disconnect the connector from the sub-battery module assembly.

  16. REMOVE SUB-BATTERY BRACKET


    1. B004CL4

      Loosen the 2 bolts and remove the sub-battery bracket (negative (-) terminal side) from the sub-battery module assembly.

    2. B004AQC

      Loosen the 2 bolts and remove the sub battery bracket (positive (+) terminal side) from the sub-battery module assembly.