Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM10000000261L9
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 - 11/2022]
Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for TMC Made with Smart Key System): PROBLEM SYMPTOMS TABLE; 2023 MY Corolla Corolla Hatchback Corolla HV 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.

Wireless Door Lock Control System

Symptom

Suspected Area

Link

Wireless control function and entry function do not operate

Proceed to "All Door Entry Lock / Unlock Functions and Wireless Functions do not Operate"

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function (except TMMMS Made)): All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate

Wireless control function does not operate but entry function operates

Electrical key transmitter sub-assembly

-

Only answer-back function does not operate properly

Proceed to "No Answer-Back"

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for TMC Made with Smart Key System): No Answer-Back

Only automatic lock function does not operate properly

Perform operation check

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for TMC Made with Smart Key System): OPERATION CHECK

Lighting system (INT) (Front door courtesy switch circuit)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; LIGHTING (INT): LIGHTING SYSTEM (for TMMMS Made): Front Door Courtesy Switch Circuit

Lighting system (INT) (Rear door courtesy switch circuit)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; LIGHTING (INT): LIGHTING SYSTEM (for TMMMS Made): Rear Door Courtesy Switch Circuit

Main body ECU (Multiplex network body ECU)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL

Only illuminated entry function does not operate

Perform operation check

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for TMC Made with Smart Key System): OPERATION CHECK

Lighting system (INT)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; LIGHTING (INT): LIGHTING SYSTEM (for TMMMS Made): OPERATION CHECK

Main body ECU (Multiplex network body ECU)

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL

Only door ajar warning buzzer function does not operate

Wireless Door Lock Buzzer

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; DOOR LOCK: WIRELESS DOOR LOCK BUZZER: REMOVAL

Only panic alarm function does not operate

Perform operation check

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for TMC Made with Smart Key System): OPERATION CHECK

Theft deterrent system

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM (except TMMMS Made): HOW TO PROCEED WITH TROUBLESHOOTING