- Unset or Set is not displayed correctly on the Techstream according to the front passenger seat belt condition
- NG is displayed on the Techstream
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJZ7 |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - ] |
| Title: SEAT BELT: SEAT BELT WARNING SYSTEM: Front Passenger Side Seat Belt Warning Light Malfunction; 2016 - 2020 MY Sienna [12/2015 - ] | ||
|
Front Passenger Side Seat Belt Warning Light Malfunction |
DESCRIPTION
The occupant classification ECU detects the state of the front seat inner belt assembly RH and load sensor when the front passenger side seat is occupied with the ignition switch ON. If the front passenger side seat belt is not fastened, the front passenger side seat belt warning light on the combination meter assembly blinks. If the seat belt is fastened, the warning light goes off.
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK DTC OUTPUT (OCCUPANT CLASSIFICATION SYSTEM) |
(a) Clear the DTCs (See page
![2016 - 2020 MY Sienna [12/2015 - ]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM: DTC CHECK / CLEAR](/t3Portal/stylegraphics/info.gif)
).
(b) Check for DTCs (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| B |
|
|
|
2. |
CHECK DTC OUTPUT (AIRBAG SYSTEM) |
(a) Clear the DTCs (See page
).
(b) Check for DTCs (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| B |
|
|
|
3. |
READ VALUE USING TECHSTREAM (OCCUPANT DETECTION) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Occupant Detection / Data List.
(e) Read the Data List according to the display on the Techstream.
Occupant Detection
|
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|
|
Passenger Buckle SW |
Front passenger side seat belt buckle switch/Unset, Set or NG |
Unset: Front passenger side seat belt unfastened Set: Front passenger side seat belt fastened NG: Data not determined |
- |
Result
|
Result |
Proceed to |
|---|---|
|
Unset or Set is displayed on the Techstream according to the front passenger seat belt condition |
A |
|
Unset or Set is not displayed correctly on the Techstream according to the front passenger seat belt condition |
B |
|
NG is displayed on the Techstream |
C |
| B |
|
| C |
|
|
|
4. |
READ VALUE USING TECHSTREAM (RIGHT SIDE BUCKLE SW) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / SRS Airbag / Data List.
(e) Read the Data List according to the display on the Techstream.
SRS Airbag
|
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|
|
Right side Buckle SW |
Front passenger side seat belt buckle switch/Unset, Set or NG |
Unset: Front passenger side seat belt unfastened Set: Front passenger side seat belt fastened NG: Data not determined |
- |
Result
|
Result |
Proceed to |
|---|---|
|
Unset or Set is displayed on the Techstream according to the front passenger seat belt condition |
A |
|
|
B |
| A |
|
USE SIMULATION METHOD TO CHECK (See page
|
| B |
|
|
|