LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2021 >> LS 500h AWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Sub Battery System - Service Information >> Sub Battery Relay >> Removal [10/2017 - 09/2018] >> Procedure

Removal [10/2017 - 09/2018]: Procedure

  1. REMOVE LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 24

  2. REMOVE TOOL BOX 

    Refer to PROCEDURE - Step 2

  3. PRECAUTION 
    NOTE:

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

    Refer to PRECAUTION [10/2017 - 09/2019]

  4. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to PROCEDURE - Step 3

  5. REMOVE AUXILIARY BATTERY 

    Refer to REMOVAL [10/2017 - 09/2018]

  6. REMOVE LUGGAGE COMPARTMENT FLOOR MAT 

    Refer to PROCEDURE - Step 23

  7. REMOVE LUGGAGE COMPARTMENT TRIM COVER LH 

    Refer to PROCEDURE - Step 25

  8. REMOVE LUGGAGE COMPARTMENT TRIM COVER RH 

    Refer to PROCEDURE - Step 26

  9. REMOVE SIDE TRIM BOX 

    Refer to PROCEDURE - Step 14

  10. REMOVE ROPE HOOK ASSEMBLY 

    Refer to PROCEDURE - Step 10

  11. REMOVE REAR FLOOR FINISH PLATE 

    Refer to PROCEDURE - Step 11

  12. REMOVE INNER LOWER LUGGAGE COMPARTMENT TRIM COVER 

    Refer to PROCEDURE - Step 28

  13. REMOVE NO. 1 LUGGAGE COMPARTMENT LIGHT ASSEMBLY 

    Refer to PROCEDURE - Step 5

  14. REMOVE FRONT LUGGAGE COMPARTMENT TRIM COVER 

    Refer to PROCEDURE - Step 29

  15. REMOVE REAR LUGGAGE COMPARTMENT TRIM COVER 

    Refer to PROCEDURE - Step 31

  16. REMOVE LUGGAGE COMPARTMENT TRIM COVER ASSEMBLY RH 

    Refer to PROCEDURE - Step 15

  17. REMOVE LUGGAGE COMPARTMENT TRIM COVER ASSEMBLY LH 

    Refer to PROCEDURE - Step 12

  18. REMOVE REAR LUGGAGE COMPARTMENT TRAY BRACKET RH 

    See step  17

  19. REMOVE BATTERY CARRIER CATCH BRACKET SUB-ASSEMBLY 
    1. Remove the 4 nuts and the battery carrier catch bracket sub-assembly.
      GTY810855Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE BATTERY CARRIER ASSEMBLY 
    1. Remove the 6 bolts and battery carrier assembly.
      GTY835097Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE CONNECTOR COVER 

    See step  18

  22. REMOVE LUGGAGE ROOM RELAY BLOCK 
    1. Loosen the nut and disconnect the positive (+) terminal of the sub-battery from the sub-battery module assembly.
    2. Remove the 2 bolts from the luggage room relay block.
      GTY810851Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Detach the clamp and claw and disconnect the luggage room relay block.
    4. Remove the relay block cover.
      GTY810849Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Lift up the lock lever and disconnect the connector as shown in the illustration.
      GTY810852Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Detach the 3 clamps and disconnect the luggage room relay block harness from the luggage room panel.
    7. Detach the 2 clamps and disconnect the luggage room relay block harness from the luggage room panel.
      GTY810850Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. w/ Dynamic Rear Steering:
      1. Lift up the lock lever and disconnect the connector of the DRS control ECU as shown in the illustration.
        GTY778141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Ground Wire Bolt
        *b Ground Wire
      2. Remove the bolt and ground wire.
      3. Detach the 2 clamps and disconnect the luggage room relay block harness from the luggage room panel.
  23. REMOVE BACKUP RELAY 
    1. Detach the clamp and disconnect the 3 tie wraps from the luggage room relay block.
      GTY786238Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Luggage Room Relay Block Lower Side
    2. Detach the 6 claws and remove the relay block lower cover from the luggage room relay block.
      GTY802333Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Luggage Room Relay Block Lower Side
    3. Detach the 3 claws and disconnect the relay block assembly from the luggage room relay block.
      GTY792668Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Luggage Room Relay Block Upper Side
    4. Loosen the bolt and nut and remove them from the backup relay terminal.
      GTY777664Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Backup Relay Terminal Side
    5. Loosen the 2 bolts and remove them from the backup relay.
    6. Disconnect the connector from the backup relay.
    7. Detach the claw and remove the backup relay from the relay block assembly.
scientia non olet · About LEMON Manuals