Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001GV86
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [01/2019 - 09/2022]
Title: THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): PROBLEM SYMPTOMS TABLE; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [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.

Immobiliser System (w/o Smart Key System)

Symptom

Suspected Area

Link

Engine does not start because no initial combustion occurs

SFI system*1

2020 MY Corolla Corolla Hatchback [01/2019 - 09/2019]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: PROBLEM SYMPTOMS TABLE 2020 - 2021 MY Corolla Corolla Hatchback [09/2019 - 06/2021]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: PROBLEM SYMPTOMS TABLE 2022 MY Corolla Corolla Hatchback [06/2021 - 09/2022]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: PROBLEM SYMPTOMS TABLE

Engine does not start because no initial combustion occurs

SFI system*2

2020 - 2022 MY Corolla [01/2019 - 09/2022]; 2ZR-FAE (ENGINE CONTROL): SFI SYSTEM: PROBLEM SYMPTOMS TABLE

Engine does not start but initial combustion occurs

Proceed to "Engine does not Start but Initial Combustion Occurs"

2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): Engine does not Start but Initial Combustion Occurs

Security indicator light does not blink

Proceed to "Security Indicator Light Does not Blink"

2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): Security Indicator Light Does not Blink

Key cannot be registered

Proceed to "Key Cannot be Registered"

2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): Key Cannot be Registered

  • *1: for M20A-FKS
  • *2: for 2ZR-FAE