Circuit Description
WARNING: This page is about a different car, the 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
If skid control ECU detects trouble, it lights the ABS warning light and prohibits ABS control. At this time, the ECU records a DTC in memory.
Jumper between terminals Tc and CG of (DLC3) to make ABS warning light flash and output the DTC.