WIRELESS DOOR LOCK CONTROL SYSTEM PROBLEM SYMPTOMS TABLE

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	See page
Wireless control function and entry function do not operate	Proceed to "All Door Entry Lock / Unlock Functions and Wireless Functions do not Operate"	Click here
Wireless control function does not operate but entry function operates	Electrical key transmitter	-
Only answer-back function does not operate normally	Proceed to "No-answer back"	Click here
Only automatic lock function does not operate normally	Perform operation check	Click here
	Lighting system (door courtesy light switch circuit)	Click here
	Main body ECU (multiplex network body ECU)	-
Only illuminated entry function does not operate	Perform operation check	Click here
	Lighting system	Click here
	Main body ECU (multiplex network body ECU)	-
Only door ajar warning function does not operate*1	Perform operation check	Click here
	Lighting system (door courtesy light switch circuit)	Click here
	Main body ECU (multiplex network body ECU)	-
Panic alarm function does not operate*2	Perform operation check	Click here
	Lighting system (int) (interior lights)	Click here
	Lighting system (ext) (taillights, hazard warning lights)	Click here
	Theft deterrent system (vehicle horns, security horn)	Click here
	Main body ECU (multiplex network body ECU)	-