Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001G4P5
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): PROBLEM SYMPTOMS TABLE; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Airbag System

Symptom

Suspected Area

Link

The SRS warning light turns off after the primary check, but then comes on

  • Wire harness
  • CAN communication system
  • Combination meter assembly
  • Airbag sensor assembly

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): SRS Warning Light Remains ON

When the power switch is turned on (IG), the SRS warning light sometimes comes on after approximately 6 seconds

  • Wire harness
  • CAN communication system
  • Combination meter assembly
  • Airbag sensor assembly

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): SRS Warning Light Remains ON

The SRS warning light always comes on even when DTCs are not output

  • Wire harness
  • Combination meter assembly
  • Airbag sensor assembly

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): SRS Warning Light Remains ON

When the power switch is turned on (IG), the SRS warning light does not come on

  • Wire harness
  • Combination meter assembly
  • Airbag sensor assembly

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): SRS Warning Light does not Come ON