DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Smart Key System): PROBLEM SYMPTOMS TABLE; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022

Last Modified: 05-13-2024	6.11:8.1.0	Doc ID: RM1000000028KF1
Model Year Start: 2023	Model: GR Corolla	Prod Date Range: [11/2022 - ]
Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Smart Key System): PROBLEM SYMPTOMS TABLE; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [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
Only wireless control function is inoperative	Power door lock control system
	Key reminder warning system
	Door control transmitter assembly
	Transmitter battery
	Wave interference
	Main body ECU (Multiplex network body ECU)
	Unmatching recognition code
	Wire harness or connector
	Door control receiver
Only answer-back function does not operate properly	Check customize setting
	Perform operation check
	Lighting system (INT) (Door unlock detection switch circuit)
	Lighting system (EXT) (Hazard warning switch circuit)
	Wireless door lock buzzer
	Main body ECU (Multiplex network body ECU)
Only automatic lock function does not operate properly	Perform operation check
	Key reminder warning system
	Lighting system (INT) (Front door courtesy light switch circuit)
	Lighting system (INT) (Rear door courtesy light switch circuit)
	Main body ECU (Multiplex network body ECU)
Only illuminated entry function does not operate	Perform operation check
	Lighting system (INT)
	Main body ECU (Multiplex network body ECU)
Only panic alarm function does not operate	Perform operation check
Only panic alarm function does not operate	Theft deterrent system
When returning to the vehicle, although door unlock operation was not performed, doors were in an unlocked state.	Power door lock control system
When returning to the vehicle, although door lock operation was not performed, doors were in a locked state.	Power door lock control system