Toyota Sienna Service Manual: VSC Warning Light Remains ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN and multiplex communications.
If the skid control ECU stores DTCs to shut down TRAC and VSC operation, the VSC warning light comes on in the combination meter.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).
1 CHECK CAN COMMUNICATION SYSTEM
(a) Check if the CAN communication system DTC is output (See page CA-17).
Result 
2 CHECK MULTIPLEX COMMUNICATION SYSTEM
(a) Check if the multiplex communication system DTC is output (See page MP-14).
Result 
3 CHECK IF SKID CONTROL ECU CONNECTOR IS SECURELY CONNECTED
(a) Check if the skid control ECU connector is securely connected.
OK: The connector is securely connected.
4 CHECK BATTERY
(a) Check the battery voltage.
Standard voltage: 11 to 14 V
5 INSPECT COMBINATION METER ASSEMBLY
(a) Check the combination meter (See page ME-4).
OK: The combination meter is normal.
HINT: If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part (See page BC-79).
REPLACE BRAKE ACTUATOR ASSEMBLY
ABS Warning Light does not Come ON
WIRING DIAGRAM
Refer to ABS Warning Light Remains ON (See page BC-141).
INSPECTION PROCEDURE
1 CHECK ABS WARNING LIGHT
(a) Disconnect the skid control ECU connector.
(b) Turn the ignition switc ...
VSC Warning Light does not Come ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN and
multiplex communications.
If the skid control ECU stores DTCs to shut down TRAC and VSC operation, the VSC
wa ...
Other materials:
Update contacts from phone
Operation methods differ between PBAP compatible and PBAP
incompatible but OPP compatible Bluetooth® phones.
If your cellular phone is neither PBAP nor OPP compatible, the contacts
cannot be transferred.
For PBAP Compatible Bluetooth® Phones
Select “Update Contacts from Phone”.
Che ...
System diagram
1. DISC PLAYER OUTLINE
A CD player uses a laser pickup to read digital
signals recorded on CDs. By converting the digital
signals to analog, music and other content can be
played.
CAUTION:
Do not look directly at the laser pickup because
the CD player uses an invisible laser bea ...
DVD-ROM Abnormal
DTC 44-43 DVD-ROM Abnormal
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
44-43
DVD-ROM operation is abnormal.
DVD
Television display assembly
INSPECTION PROCEDURE
HINT:
After the inspection is completed, clear the ...