Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001HYEF
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [03/2019 - 09/2022]
Title: SEAT: LUMBAR SUPPORT ADJUSTER ASSEMBLY (for Power Seat): REMOVAL; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]

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 lumbar support adjuster assembly LH removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*: for Hatchback

Disconnect cable from negative auxiliary battery terminal

Perform steering sensor zero point calibration

Lane Control System (for Gasoline Model)

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; PRE-COLLISION: PRE-COLLISION SYSTEM (for Gasoline Model): INITIALIZATION

Pre-collision System (for Gasoline Model)

Lighting System (w/ AFS)(EXT)

Initialize back door lock*

Power Door Lock Control System (for Hatchback, Gasoline Model)

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM (for Hatchback, Gasoline Model): INITIALIZATION

Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Disconnect cable from negative auxiliary battery terminal

Perform steering sensor zero point calibration

Lane Control System (for HV Model)

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; PRE-COLLISION: PRE-COLLISION SYSTEM (for HV Model): INITIALIZATION

Pre-collision System (for HV Model)

CAUTION:

Wear protective gloves. Sharp areas on the parts may injure your hands.

NOTICE:

  • After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System and Audio and Visual System (for Gasoline Model))
  • After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for HV Model))

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the ignition switch (for Gasoline Model) or power switch (for HV Model) 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.

2. REMOVE FRONT SEAT ASSEMBLY LH

Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): REMOVAL

3. DISCONNECT SEPARATE TYPE FRONT SEATBACK COVER

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 04/2020]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+

4. REMOVE FRONT SEAT FRONT CUSHION SHIELD LH

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 04/2020]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+

5. REMOVE FRONT SEAT CUSHION SHIELD LH

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 04/2020]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+

6. REMOVE FRONT SEAT INNER CUSHION SHIELD LH

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 04/2020]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+

7. REMOVE SEPARATE TYPE FRONT SEATBACK ASSEMBLY

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 04/2020]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+

8. REMOVE FRONT SEAT HEADREST SUPPORT

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 04/2020]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+

9. REMOVE SEPARATE TYPE FRONT SEATBACK COVER WITH PAD

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 04/2020]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+

10. REMOVE LUMBAR SUPPORT ADJUSTER ASSEMBLY LH

(a) Disengage the clamp.

(b) Disconnect the lumbar support adjuster assembly LH connector.

(c) Disengage the 2 claws to remove the 2 front seatback edge protectors from the front seatback frame sub-assembly LH.

(d) Remove the lumbar support adjuster assembly LH from the front seatback frame sub-assembly LH as shown in the illustration.

Remove in this Direction

11. REMOVE FRONT SEATBACK FELT LH

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 04/2020]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+

12. REMOVE FRONT SEATBACK EDGE PROTECTOR

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 04/2020]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): DISASSEMBLY+