Circuit Description

WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

The BRAKE warning light lights up when the brake fluid is insufficient, when the parking brake is applied or when the EBD is defective.
If the translate ECU detects trouble, it makes VSC warning light lights up while prohibiting VSC & TRAC control. At this time, the ECU records a DTC in memory. Connect terminals Tc and E1 of the DLC1 or DLC2 to make BRAKE warning light blink and output the DTC.