Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJGA
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: PROBLEM SYMPTOMS TABLE; 2016 - 2020 MY Sienna [12/2015 -        ]

PROBLEM SYMPTOMS TABLE

  • 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.

Power Door Lock Control System

Symptom

Suspected Area

See page

Only Driver Door LOCK/UNLOCK Functions do not operate

Front door lock assembly LH

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: FRONT DOOR LOCK: INSPECTION+

Wire harness or connector

-

Main body ECU

-

Only Front Passenger Door LOCK/UNLOCK Functions do not operate

Front door lock assembly RH

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: FRONT DOOR LOCK: INSPECTION+

Wire harness or connector

-

Main body ECU

-

Only Rear Door LH LOCK/UNLOCK Functions do not Operate

Slide door handle assembly LH

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: SLIDE DOOR LOCK: INSPECTION

Wire harness or connector

-

Main body ECU

-

Only Rear Door RH LOCK/UNLOCK Functions do not operate

Slide door handle assembly RH

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: SLIDE DOOR LOCK: INSPECTION+

Wire harness or connector

-

Main body ECU

-

All Doors LOCK/UNLOCK Functions do not operate via Master Switch, Driver Side Door Key Cylinder

Proceed to All Doors LOCK/UNLOCK Functions do not operate via Master Switch, Driver Side Door Key Cylinder

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder

All Doors LOCK/UNLOCK Functions do not operate via Door Control Switch

Proceed to All door LOCK/UNLOCK Functions do not operate via Door Control Switch

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch

Only Back Door cannot be opened*1

Proceed to Back Door cannot be opened

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Only Back Door cannot be Opened

Only Back Door cannot be opened*2

Back door closer system

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR / HATCH: BACK DOOR CLOSER SYSTEM: Back Door cannot be Opened

  • *1: w/o Power Back Door System
  • *2: w/ Power Back Door System