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Home >> Toyota >> 2021 >> C-HR XLE >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Lock Control System - Diagnostics - Introduction >> Power Door Lock Control System >> Problem Symptoms Table [02/2017 - 10/2017] >> Problem Symptoms Table [02/2017 - 10/2017]

Problem Symptoms Table [02/2017 - 10/2017]

HINT: 

POWER DOOR LOCK CONTROL SYSTEM

Symptom Suspected Area Link
Only driver door LOCK functions do not operate Front door lock with motor assembly LH Refer to INSPECTION [02/2017 - 10/2017]
Wire harness or connector -
Instrument panel junction block assembly -
Only driver door UNLOCK functions do not operate Front door lock with motor assembly LH Refer to INSPECTION [02/2017 - 10/2017]
Wire harness or connector -
Main body ECU (Multiplex network body ECU) -
Instrument panel junction block assembly -
Only front passenger door LOCK/UNLOCK functions do not operate Front door lock with motor assembly RH Refer to INSPECTION [02/2017 - 10/2017]
Wire harness or connector -
Instrument panel junction block assembly -
Only rear door LH LOCK/UNLOCK functions do not operate. Rear door lock with motor assembly LH Refer to INSPECTION [02/2017 - 10/2017]
Wire harness or connector -
Instrument panel junction block assembly -
Only rear door RH LOCK/UNLOCK functions do not operate. Rear door lock with motor assembly RH Refer to INSPECTION [02/2017 - 10/2017]
Wire harness or connector -
Instrument panel junction block assembly -
Only back door open function does not operate. Proceed to "Only Back Door cannot be Opened" Refer to Only Back Door cannot be Opened [02/2017 - ] 
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" Refer to All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch or Door Key Cylinder [02/2017 - ] 
All doors LOCK/UNLOCK functions do not operate via door control switch Proceed to "All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch" Refer to All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch [02/2017 - ] 
All doors LOCK/UNLOCK functions do not operate via multiplex network master switch assembly and door key cylinder. Instrument panel junction block assembly -
Main body ECU (Multiplex network body ECU) -
Lock operation continues even after doors have been locked*1 Front door lock with motor assembly LH Refer to INSPECTION [02/2017 - 10/2017]
Front door lock with motor assembly RH Refer to INSPECTION [02/2017 - 10/2017]
Rear door lock with motor assembly LH Refer to INSPECTION [02/2017 - 10/2017]
Rear door lock with motor assembly RH Refer to INSPECTION [02/2017 - 10/2017]
Wire harness or connector -
Instrument panel junction block assembly -
Main body ECU (Multiplex network body ECU) -
When returning to the vehicle, although door unlock operation was not performed, doors were in an unlocked state. Proceed to "Improper Operation" Refer to Improper Operation [02/2017 - ] 
When returning to the vehicle, although door lock operation was not performed, doors were in a locked state. Proceed to "Improper Operation" Refer to Improper Operation [02/2017 - ] 

HINT: 

  1. *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.