Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001HCL6
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [01/2019 - 03/2019]
Title: SEAT: FRONT SEAT ASSEMBLY (for Manual Seat): REMOVAL; 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]

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 seat 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)

2019 - 2020 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 03/2019]; 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:

  • Be sure to read Precaution thoroughly before servicing.

    for Gasoline Model: Click here 2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 04/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made Gasoline Model): PRECAUTION

    for HV Model: Click here 2020 MY Corolla Corolla HV [01/2019 - 04/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): PRECAUTION

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

NOTICE:

  • If the front seat airbag assembly has been deployed, replace the front seat airbag assembly, front seatback frame sub-assembly, separate type front seatback pad and separate type front seatback cover with the necessary parts in accordance with the extent of the collision damage.
  • 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 (-) auxiliary battery terminal. (for Audio and Visual System (for Gasoline Model))
  • After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Navigation System)
  • 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. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

for M20A-FKS: Click here 2020 MY Corolla Corolla Hatchback [01/2019 - 03/2019]; MAINTENANCE: M20A-FKS BATTERY: REMOVAL+

for 2ZR-FAE: Click here 2020 MY Corolla [01/2019 - 03/2019]; MAINTENANCE: 2ZR-FAE BATTERY: REMOVAL+

for 2ZR-FXE: Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; MAINTENANCE: 2ZR-FXE AUXILIARY BATTERY: REMOVAL+

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

NOTICE:

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

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

3. REMOVE FRONT SEAT HEADREST ASSEMBLY

(a) Remove the front seat headrest assembly from the front seat assembly.

4. REMOVE FRONT OUTER SEAT TRACK BRACKET COVER

(a) Operate the seat track adjusting handle and move the front seat assembly to the rearmost position.

(b) Disengage the 2 claws to remove the front outer seat track bracket cover.

5. REMOVE FRONT INNER SEAT TRACK BRACKET COVER

(a) Disengage the 2 claws to remove the front inner seat track bracket cover.

6. REMOVE OUTER SEAT TRACK COVER

(a) Operate the seat track adjusting handle and move the front seat assembly to the foremost position.

(b) Disengage the 2 claws and guide to remove the outer seat track cover.

7. REMOVE INNER SEAT TRACK BRACKET COVER

(a) Disengage the 2 claws and guide to remove the inner seat track bracket cover.

8. REMOVE FRONT SEAT ASSEMBLY

(a) Using a T50 "TORX" socket wrench, remove the 2 bolts on the rear side of the front seat assembly.

(b) Operate the seat track adjusting handle and move the front seat assembly to the rearmost position.

(c) Using a T50 "TORX" socket wrench, remove the 2 bolts on the front side of the front seat assembly.

(d) for Driver Side:

(1) Operate the vertical adjusting handle LH and move the front seat assembly to the uppermost position.

(e) Operate the seat track adjusting handle and move the front seat assembly to the center position.

(f) Operate the reclining adjuster release handle and move the seatback to the upright position.

(g) Disconnect the front seat airbag assembly connector under the front seat assembly.

NOTICE:

When disconnecting any airbag connector, take care not to damage the airbag wire harness.

(1) Push down the white housing lock and slide the yellow CPA as shown in the illustration. (At this time, the connector cannot be disconnected yet.)

*a

White Housing Lock

*b

Yellow CPA

Slide in this Direction

(2) Push down the white housing lock again and disconnect the connector.

NOTICE:

Do not push down the part (A) shown in the illustration when disconnecting the connector.

(h) Disconnect the front seat cushion airbag assembly RH connector under the front seat assembly. (for Front Passenger Side)

NOTICE:

When disconnecting any airbag connector, take care not to damage the airbag wire harness.

(1) Slide the slider to release the lock as shown in the illustration.

*a

Slider

-

-

Slide in this Direction (1)

Slide in this Direction (2)

(2) Disconnect the connector as shown in the illustration.

(i) Disconnect each connector and disengage each clamp under the front seat assembly.

(j) Remove the front seat assembly.

NOTICE:

Be careful not to damage the vehicle body.