ABS Warning Lamp

WARNING: This page is about a different car, the 2002 Hyundai XG350. However, it is still accessible from the selected car via links, so may be relevant.

The active ABS warning light indicates operating condition of the ABS. ABS warning lamp is turned on under following conditions:

When ignition switch is turned on, lamp illuminates for 3 seconds.
In the event of ABS functions failure.
When Engine Control Module (ECM) is shut down even though ignition power is applied.
During ABS diagnostic mode.