1998 Subaru Legacy Owner's Manual - Page 249

B ABS warning light HB0273 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. If the warning light behaves as follows, ABS system may not work properly. 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 8mph (12km/h). D The warning light comes on during driving. When the warning light is on, the ABS function shuts down; however, the conventional brake system continues to operate normally. If this occurs, have the ABS system repaired at the first available opportunity by your SUBARU dealer. NOTE If the warning light behavior is as shown below, the ABS system may be considered normal. D The warning light comes on when the ignition switch is turned to the "ON" position but goes out immediately, remaining off. D The warning light remains on after the engine has been started, but it goes out when the vehicle speed reaches about 8 mph (12 7-34