2004 Toyota Tacoma Owners Manual - Page 213

'04 Tacoma U (L/O 0309) "ABS" warning light (without vehicle stability control system) The light comes on when the ignition key is turned to the "ON" position. If the antilock brake system works properly, the light turns off after a few seconds. Thereafter, if the system malfunctions, the light comes on again. When the "ABS" warning light is on (and the brake system warning light is off), the anti- lock brake system does not operate, but the brake system still operates conventionally. Type A A warning light turning on briefly during operation does not indicate a problem. With rear differential lock: However, it is a normal operation for the light to be on with rear differential locked. At this time, the anti- lock brake system does not operate. "ABS" warning light (with vehicle stability control system) The light comes on when the ignition key is turned to the "ON" position. If the antilock brake system and the brake assist system work properly, the light turns off after a few seconds. Thereafter, if either of the systems malfunctions, the light comes on again. When the "ABS" warning light is on (and the brake system warning light is off), the following systems do not operate, but the brake system still operates conventionally. When the "ABS" warning light is on (and the brake system warning light is off), the anti- lock brake system does not operate so that the wheels could lock up during a sudden braking or braking on slippery road surfaces. If either of the following conditions occurs, this indicates a malfunction somewhere in the parts monitored by the warning light system. Contact your Toyota dealer as soon as possible to service the vehicle. D The light does not come on when the Type B ignition key is turned to the "ON" position, or the light remains on. D D D D D Anti- lock brake system Brake assist system Traction control system "AUTO LSD" system Vehicle stability control system D The light comes on while you are driving. 213 2004 TACOMA from Sep. '03 Prod. (OM35814U)