Slip Indicator Light does not Come ON: Description
WARNING: This page is about a different car, the 2009 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
The skid control ECU is connected to the combination meter via CAN communication.
The slip indicator light blinks during VSC and/or TRAC operation.
When the system fails, the slip indicator light comes on to warn the driver (See DIAGNOSIS SYSTEM ).