Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001I2OF
Model Year Start: 2020 Model: Corolla Hatchback Prod Date Range: [03/2019 - 09/2022]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: STEERING PAD (except G16E-GTS): ON-VEHICLE INSPECTION; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [03/2019 - 09/2022]

ON-VEHICLE INSPECTION

CAUTION / NOTICE / HINT

CAUTION:

Be sure to correctly follow the removal and installation procedures for the horn button assembly.

PROCEDURE

1. INSPECT HORN BUTTON ASSEMBLY (for Vehicle not Involved in Collision)

(a) Perform a diagnostic system check.

for HV Model: Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): DTC CHECK / CLEAR

for TMC Made Gasoline Model: Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made Gasoline Model): DTC CHECK / CLEAR

for TMMMS Made: Click here 2020 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 11/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMMMS Made): DTC CHECK / CLEAR

(b) Visually check for defects with the horn button assembly installed to the vehicle.

HINT:

The defects are as follows:

  • Cuts on the surface or in the grooves
  • Small cracks on the surface or in the grooves
  • Significant discoloration on the surface or in the grooves

OK:

No defects are found.

If any defects are found, replace the horn button assembly with a new one.

2. INSPECT HORN BUTTON ASSEMBLY (for Vehicle Involved in Collision and Airbag not Deployed)

(a) Perform a diagnostic system check.

for HV Model: Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): DTC CHECK / CLEAR

for TMC Made Gasoline Model: Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made Gasoline Model): DTC CHECK / CLEAR

for TMMMS Made: Click here 2020 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 11/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMMMS Made): DTC CHECK / CLEAR

(b) Visually check for defects with the horn button assembly removed from the vehicle.

HINT:

The defects are as follows:

  • Cuts on the surface or in the grooves
  • Small cracks on the surface or in the grooves
  • Significant discoloration on the surface or in the grooves
  • Cracks or other damage to the connector
  • Deformation of the steering wheel assembly
  • Deformation of the installation surface of the horn button assembly
  • Interference or uneven clearance between the horn button assembly and steering wheel assembly when a new horn button assembly is installed to the steering wheel assembly

OK:

No defects are found.

If any defects are found, replace the horn button assembly or steering wheel assembly with a new one.