| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VIVI |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - 11/2017] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: Brake Warning Light does not Come ON; 2016 - 2017 MY Sienna [12/2015 - 11/2017] | ||
|
Brake Warning Light does not Come ON |
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN communication.
WIRING DIAGRAM
Refer to Brake Warning Light Remains ON (See page
![2016 MY Sienna [12/2015 - 08/2016]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: Brake Warning Light Remains ON+](/t3Portal/stylegraphics/info.gif)
).
CAUTION / NOTICE / HINT
NOTICE:
-
When replacing the brake actuator assembly, perform zero point calibration and store system information (See page
).
- Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if a CAN communication system DTC is output (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B |
|
INSPECT CAN COMMUNICATION SYSTEM (See page
|
|
|
2. |
CHECK BRAKE WARNING LIGHT |
(a) Disconnect the skid control ECU connector.
(b) Turn the ignition switch to ON.
(c) Check that the brake warning light comes on.
OK:
The brake warning light comes on.
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part (See page
).
| OK |
|
|
|
3. |
PERFORM ACTIVE TEST USING TECHSTREAM (BRAKE WARNING LIGHT) |
(a) Turn the ignition switch off.
(b) Reconnect the skid control ECU connector.
(c) Connect the Techstream to the DLC3.
(d) Turn the ignition switch to ON.
(e) Turn the Techstream on.
(f) Enter the following menus: Body Electrical / Combination Meter / Active Test.
(g) Select the Active Test on the Techstream.
Combination Meter
|
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Indicat. Lamp Brake |
Brake warning light |
OFF or ON |
Operate with IG ON and the vehicle stopped |
(h) Check that the Brake warning light on the combination meter turns on or off in accordance with the Techstream operation.
OK:
The brake warning light turns on or off in accordance with the Techstream operation.
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step (See page
).
| OK |
|
| NG |
|
|
|