| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000WQLT |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - ] |
| Title: SEAT BELT: SEAT BELT WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2016 - 2020 MY Sienna [12/2015 - ] | ||
|
HOW TO PROCEED WITH TROUBLESHOOTING |
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the power window control system.
- *: Use the Techstream.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
|
2. |
CUSTOMER PROBLEM ANALYSIS |
- In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
- Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
-
The following 5 items are important points in the problem analysis:
What
Vehicle model, system name
When
Date, time, occurrence frequency
Where
Road conditions
Under what conditions?
Driving conditions, weather conditions
How did it happen?
Problem symptoms
|
|
3. |
INSPECT BATTERY VOLTAGE |
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
|
|
4. |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
(See page
![2016 MY Sienna [12/2015 - 08/2016]; NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM](/t3Portal/stylegraphics/info.gif)
).
|
Result |
Proceed to |
|---|---|
|
CAN DTCs are not output |
A |
|
CAN DTCs are output |
B |
| B |
|
GO TO GO TO CAN COMMUNICATION SYSTEM (See page
|
|
|
5. |
CHECK FOR DTC (AIRBAG SYSTEM)* |
(a) Clear the DTC.
(See page
).
(b) Recheck for DTCs.
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B |
|
|
|
6. |
CHECK FOR DTC (OCCUPANT CLASSIFICATION SYSTEM)* |
(a) Clear the DTC.
(See page
).
(b) Recheck for DTCs.
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B |
|
|
|
7. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
(See page
)
|
Result |
Proceed to |
|---|---|
|
Fault is not listed in problem symptoms table |
A |
|
Fault is listed in problem symptoms table |
B |
| B |
|
|
|
8. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check
(See page
)
(b) Terminals of ECU
(See page
)
(c) On-vehicle Inspection
(See page
)
|
|
9. |
REPAIR OR REPLACE |
|
|
10. |
CONFIRMATION TEST |
| NEXT |
|
END |
|
|