Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001HYEH
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [03/2019 - 09/2022]
Title: SEAT: FRONT SEATBACK HEATER (for Manual 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 front seatback heater assembly 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

  • Occupant detection ECU
  • Front passenger seat

Zero point calibration (Occupant Classification System)
  • Occupant Classification System
  • Passenger airbag ON/OFF indicator
  • Airbag System (Front passenger side)
  • Seat Belt Warning System (Front passenger)

2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [03/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for 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)
  • Occupant detection ECU
  • Front passenger seat

Zero point calibration (Occupant Classification System)
  • Occupant Classification System
  • Passenger airbag ON/OFF indicator
  • Airbag System (Front passenger side)
  • Seat Belt Warning System (Front passenger)

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for HV Model): INITIALIZATION

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))

HINT:

  • Use the same procedure for the RH side and LH side.
  • The following procedure is for the LH side.

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

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

4. REMOVE VERTICAL ADJUSTING HANDLE LH (for Driver Side)

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

5. REMOVE RECLINING HINGE COVER

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

6. REMOVE RECLINING ADJUSTER RELEASE HANDLE

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

7. REMOVE LH SEAT SEAT ADJUSTER COVER CAP (for Driver Side)

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

8. REMOVE FRONT SEAT CUSHION SHIELD (for Driver Side)

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

9. REMOVE FRONT SEAT INNER CUSHION SHIELD (for Driver Side)

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

10. REMOVE FRONT SEAT CUSHION SHIELD (for Front Passenger Side)

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

11. REMOVE FRONT SEAT INNER CUSHION SHIELD (for Front Passenger Side)

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

12. 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 Manual Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Manual Seat): DISASSEMBLY+

13. 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 Manual Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Manual Seat): DISASSEMBLY+

14. 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 Manual Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Manual Seat): DISASSEMBLY+

15. REMOVE 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 Manual Seat): DISASSEMBLY+ 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; SEAT: FRONT SEAT ASSEMBLY (for Manual Seat): DISASSEMBLY+

16. REMOVE FRONT SEATBACK HEATER ASSEMBLY

(a) for Standard Seat Type:

(1) Remove the 16 tag pins and front seatback heater assembly from the separate type front seatback cover.

(b) for Sporty Seat Type:

(1) Remove the 14 tag pins and front seatback heater assembly from the separate type front seatback cover.

(c) for Sports Seat Type:

(1) Remove the 16 tag pins and front seatback heater assembly from the separate type front seatback cover.