WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Smart Entry and Start 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
Only wireless control function is inoperative	Proceed to "Only wireless control function is inoperative"	Click here
Only answer-back function does not operate normally	Proceed to "No answer-back"	Click here
Only automatic lock function does not operate normally	Perform the operation check	Click here
	Key reminder warning system (unlock warning switch circuit)	Click here
	Lighting system (door courtesy light switch circuit)	Click here
	Main body ECU (driver side junction block assembly)	Click here
Only illuminated entry function does not operate	Perform the operation check	Click here
	Lighting system	Click here
	Main body ECU (driver side junction block assembly)	Click here
Only door ajar warning function does not operate (w/ Door Ajar Warning Buzzer Function)	Perform the operation check	Click here
	Lighting system (door courtesy light switch circuit)	Click here
	Wire harness or connector	-
	Wireless door lock buzzer	Click here
	Main body ECU (driver side junction block assembly)	Click here