WIRELESS DOOR LOCK CONTROL SYSTEM PROBLEM SYMPTOMS TABLE

Note

If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.

Tech Tips

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.	Lighting system	Click here
	Power door lock control system
	External electrical waves
	Code registration
	Transmitter battery
	Harness or connector
	Electrical key transmitter sub-assembly
	Door control receiver
	Main body ECU (Multiplex network body ECU)
	Certification ECU (Smart Key ECU Assembly)
Wireless control function does not operate but entry function operates.	Electrical key transmitter sub-assembly	-
Only answer-back function does not operate properly.	Check customize setting (Hazard Answer Back)	Click here
	Check customize setting (Wireless Buzzer Resp) (w/ Wireless Door Lock Buzzer Answer-back Function)
	Check customize setting (Wireless Buzzer Vol) (w/ Wireless Door Lock Buzzer Answer-back Function)
	Lighting system
	Wireless door lock buzzer (w/ Wireless Door Lock Buzzer Answer-back Function)
	Main body ECU (Multiplex network body ECU)
	Driver side junction block assembly
	Combination meter assembly
Only automatic lock function does not operate properly.	Perform operation check	Click here
	Door courtesy switch circuit	Click here
	Main body ECU (Multiplex network body ECU)	Click here
Only illuminated entry function does not operate.	Perform operation check	Click here
Only illuminated entry function does not operate.	Lighting system	Click here
Only door ajar warning function does not operate.	Perform operation check	Click here
	Door courtesy switch circuit	Click here
	Wireless door lock buzzer	Click here
Only panic alarm function does not operate. (w/ Panic Switch)	Perform operation check	Click here
	Theft deterrent system	Click here
When returning to the vehicle, although door unlock operation was not performed, doors were in an unlocked state.	Power door lock control system	Click here
When returning to the vehicle, although door lock operation was not performed, doors were in a locked state.	Power door lock control system	Click here