Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001D0DU
Model Year Start: 2019 Model: GR Corolla Prod Date Range: [06/2018 - 01/2019]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION ECU: REMOVAL; 2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]

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 occupant detection ECU removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link
  • Replacement of the occupant detection ECU
  • Removal/installation of the 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

Disconnect cable from negative battery terminal

Perform steering sensor zero point calibration

Lane Control System

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

Pre-collision system

Lighting System (w/ AFS)(EXT)

Initialize back door lock

Power Door Lock Control System

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

NOTICE:

  • 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 (-) battery terminal. (for Audio and Visual System)
  • 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 (-) battery terminal. (for Navigation System)

PROCEDURE

1. REMOVE FRONT SEAT ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

Click here 2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]; SEAT: FRONT SEAT ASSEMBLY (for Manual Seat): REMOVAL

2. REMOVE OCCUPANT DETECTION ECU

(a) Disconnect the 2 connectors.

*a

Protective Tape

(b) Using a screwdriver with its tip wrapped with protective tape, disengage the claw and remove the occupant detection ECU.