DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (w/ 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: RM1000000028DYH
Model Year Start: 2023	Model: GR Corolla	Prod Date Range: [11/2022 - ]
Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (w/ 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.

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"
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"
Only automatic lock function does not operate properly	Perform operation check
	Lighting system (INT) (Front door courtesy switch circuit)
	Lighting system (INT) (Rear door courtesy 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 door ajar warning buzzer function does not operate	Wireless Door Lock Buzzer
Only panic alarm function does not operate	Perform operation check
Only panic alarm function does not operate	Theft deterrent system