2001 Subaru Legacy Owner's Manual - Page 287

started. This is caused by an automatic functional test of the ABS system being carried out and does not indicate any abnormal condition. B ABS warning light HB4010GA The ABS warning light comes on when the ignition switch is turned to the "ON" position and goes out after about two seconds. This is an indication that the ABS system is working properly. CAUTION If the warning light behaves as follows, the ABS system may not be working properly. When the warning light is on, the ABS function shuts down; however, the conventional brake system continues to operate normally. D The warning light does not come on when the ignition switch is turned to the "ON" position. D The warning light comes on when the ignition switch is turned to the "ON" position, but it does not go out even when the vehicle speed exceeds approximately 8 mph (12 km/h). D The warning light comes on during driving. If these occur, have the ABS system repaired at the first available opportunity by your SUBARU dealer. 7-24