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.
Symptom | Suspected Area | See page |
|---|---|---|
Only Driver Door LOCK/UNLOCK Functions do not Operate |
Front door lock assembly LH |
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Wire harness or connector |
- |
|
Main body ECU (Driver side junction block assembly) |
- |
|
Only Front Passenger Door LOCK/UNLOCK Functions do not Operate |
Front door lock assembly RH |
|
Wire harness or connector |
- |
|
Main body ECU (Driver side junction block assembly) |
- |
|
Only Rear Door LH LOCK/UNLOCK Functions do not Operate |
Rear door lock assembly LH |
|
Wire harness or connector |
- |
|
Main body ECU (Driver side junction block assembly) |
- |
|
Only Rear Door RH LOCK/UNLOCK Functions do not Operate |
Rear door lock assembly RH |
|
Wire harness or connector |
- |
|
Main body ECU (Driver side junction block assembly) |
- |
|
All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder |
LIN communication system |
|
Power window regulator master switch assembly |
- |
|
Front door lock assembly LH |
- |
|
Wire harness or connector |
- |
|
Main body ECU (Driver side junction block assembly) |
- |
|
All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch |
Door control switch assembly |
|
Wire harness or connector |
- |
|
Main body ECU (Driver side junction block assembly) |
- |
|
Only Back Door cannot be Opened |
Back door closer system |
|
Test yourself
A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.