| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJHF |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - ] |
| Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM(w/o Smart Key System): PROBLEM SYMPTOMS TABLE; 2016 - 2020 MY Sienna [12/2015 - ] | ||
PROBLEM SYMPTOMS TABLE
HINT:
- 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" |
|
|
Only answer-back function does not operate normally. |
Proceed to "No answer-back" |
|
|
Only automatic lock function does not operate normally. |
Perform the operation check |
|
|
Key reminder warning system (unlock warning switch circuit) |
|
|
|
Lighting system (door courtesy light switch circuit) |
|
|
|
Main body ECU |
- |
|
|
Only illuminated entry function does not operate. |
Perform the operation check |
|
|
Lighting system |
|
|
|
Main body ECU |
- |
|
|
Only door ajar warning function does not operate. |
Perform the operation check |
|
|
Lighting system (door courtesy light switch circuit) |
|
|
|
Main body ECU |
- |
|
|
Only panic alarm function does not operate (w/ theft deterrent system). |
Perform operation check |
|
|
Lighting system (int) (interior lights) |
|
|
|
Lighting system (ext) (headlights, taillights, hazard lights) |
|
|
|
Theft deterrent system (vehicle horn, security horn) |
|
|
|
Main body ECU |
- |
|
|
Only panic alarm function does not operate (w/o theft deterrent system). |
Perform operation check |
|
|
Lighting system (int) (interior lights) |
|
|
|
Lighting system (ext) (headlights, taillights, hazard lights) |
|
|
|
Horn system |
|
|
|
Wire harness or connector (vehicle horn - main body ECU) |
- |
|
|
Main body ECU |
- |
![2016 - 2020 MY Sienna [12/2015 - ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM(w/o Smart Key System): Only Wireless Control Function is Inoperative](/t3Portal/stylegraphics/info.gif)
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