2003 Toyota Land Cruiser Owners Manual - Page 450

'03 L/C U (L/O 0301) When active traction control is applied, the active traction control system indicator light blinks. You may hear a sound in the engine compartment for a few seconds when the engine is started or just after the vehicle begins to move. This means that the active traction control system is in the self- check mode, and does not indicate malfunction. When the active traction control system is operating, you may feel vibration or hear noise of your vehicle, caused by operation of the brakes. This indicates the system is functioning properly. When getting the vehicle out of mud or new snow, etc. the active traction control system will help operate to prevent the wheels from spinning. Active traction control system failure warning This light warns when there is a problem somewhere in the active traction control system. If the "VSC/TRAC" warning light comes on, have your vehicle checked by your Toyota dealer as soon as possible. The brake actuator temperature increases during the active traction control system or vehicle skid control system operating. If the brake actuator temperature becomes too high while the active traction control system or vehicle skid control system is operating, a buzzer will start to sound intermittently to indicate that the active traction control system can no longer operate. In this case, immediately stop your vehicle at a safe place. If the system continues to operate, the buzzer sound changes from intermittent to continuous. (The continuous buzzer sounds for about 3 seconds.) At the time, the "VSC/TRAC" warning light will come on and the traction control system temporarily stops operating in order to protect the brake actuator. (Although the active traction control system does not operate, there is no problem to continue your driving.) The system will be automatically restored after a short time and "VSC/TRAC" warning light goes off if the accelerator pedal is released. When the "ABS" warning light come on, the active traction control system is not operating. The "VSC/TRAC" warning light will come on when the ignition key is turned "ON", and will go off after a few seconds. 141