Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000002797Z
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 - 11/2022]
Title: PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): PROBLEM SYMPTOMS TABLE; 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]

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.

Symptom

Suspected Area

Link

Electric parking brake does not operate

Proceed to "Electric Parking Brake does not Operate"

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): Electric Parking Brake does not Operate

Parking brake indicator light does not illuminate (red) or turn off when parking brake is manually engaged and disengaged

Proceed to "Electric Parking Brake does not Operate"

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): Electric Parking Brake does not Operate

Electric parking brake AUTO function (shift-linked function) does not operate (shift-linked parking brake does not lock or release) (for CVT)

Proceed to "Electric Parking Brake AUTO Function Circuit"

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): Electric Parking Brake System AUTO Function Circuit

Electric parking brake AUTO function (IG OFF-linked function) does not operate (electric parking brake does not engage when the engine switch is turned off) (for M/T)

Proceed to "Electric Parking Brake AUTO Function Circuit"

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): Electric Parking Brake System AUTO Function Circuit

Message not displayed on multi-information display when AUTO function set to ON/OFF (for CVT)

Proceed to "Message Not Displayed on Multi-information Display When AUTO Function Set to ON/OFF"

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): Message Not Displayed on Multi-information Display When AUTO Function Set to ON/OFF

Electric parking brake AUTO OFF indicator light on combination meter assembly does not illuminate or turn off when AUTO function is set to ON/OFF. (for M/T)

Proceed to " Electric Parking Brake AUTO OFF Indicator Light Does Not Illuminate/turn off When AUTO Function Set to ON/OFF"

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): Electric Parking Brake AUTO OFF Indicator Light Does Not Illuminate/turn off When AUTO Function Set to ON/OFF

Brake warning light (Yellow) remains on

Proceed to "Brake Warning Light (Yellow) Remains On"

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): Brake Warning Light (Yellow) Remains On

Electric parking brake switch indicator light on electric parking brake switch (electric parking brake switch assembly) does not illuminate or turn off when lock and release operations are performed (except TMC Made)

Electric parking brake switch indicator light drive circuit

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): SYSTEM DIAGRAM

Wire harness or connector (electric parking brake switch (electric parking brake switch assembly) - skid control ECU (brake actuator assembly))

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Electric parking brake switch (electric parking brake switch assembly)

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; PARKING BRAKE: ELECTRIC PARKING BRAKE SWITCH: REMOVAL

Skid control ECU (brake actuator assembly)

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for Gasoline Model): REMOVAL