POWER DOOR LOCK CONTROL SYSTEM PROBLEM SYMPTOMS TABLE

Note:

When replacing the main body ECU (multiplex network body ECU), make sure to replace it with a new one.

Tip:

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.

Table 1. Power Door Lock Control System
Symptom	Suspected Area	Link
Only driver door LOCK/UNLOCK functions do not operate	Front door lock assembly LH (for LHD)	Click here
	Front door lock assembly RH (for RHD)	Click here
	Harness or connector	-
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
Only front passenger door LOCK/UNLOCK functions do not operate	Front door lock assembly RH (for LHD)	Click here
	Front door lock assembly LH (for RHD)	Click here
	Harness or connector	-
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
Only rear door LH LOCK/UNLOCK functions do not operate	Rear door lock assembly LH	Click here
	Harness or connector	-
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
Only rear door RH LOCK/UNLOCK functions do not operate	Rear door lock assembly RH	Click here
	Harness or connector	-
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
All doors LOCK/UNLOCK functions do not operate	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
All doors LOCK/UNLOCK functions do not operate	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
All doors LOCK/UNLOCK functions do not operate via door control switch or door key cylinder	Proceed to "All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch or Door Key Cylinder"	Click here
Double locking function does not operate properly*2	LIN communication system	Click here
	Front door lock assembly LH	Click here
	Front door lock assembly RH	Click here
	Rear door lock assembly LH	Click here
	Rear door lock assembly RH	Click here
	Harness or connector	-
	Double lock door control relay assembly	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
Lock operation continues even after doors have been locked*1	Front door lock assembly LH	Click here
	Front door lock assembly RH	Click here
	Rear door lock assembly LH	Click here
	Rear door lock assembly RH	Click here
	Harness or connector	-
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
Only back door cannot be opened*3	Proceed to "Only Back Door cannot be Opened"	Click here
Only back door cannot be opened*4	Back door closer system	Click here
Speed-sensitive Automatic Door Lock cannot be Operate	Check customize setting	Click here
	CAN communication system (for LHD)	Click here
	Combination meter assembly	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
Shift-linked Automatic Door Lock/Unlock cannot be Operate	Check customize setting	Click here
	CAN communication system (for LHD)	Click here
	ECM (2AR-FXE)	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here

*1: When the door unlock detection switch detects an unlock position signal after a door lock operation has been performed, a door lock operation will be performed 3 times.
*2: w/ Double Locking System
*3: w/o Power Back Door System
*4: w/ Power Back Door System