Description & Operation
WARNING:
For warnings and procedures regarding vehicles equipped with Anti-Lock Brake Systems (ABS), see appropriate ANTI-LOCK article.
Hydraulic brake system uses a tandem master cylinder with a vacuum power assist servo. All models are equipped with front disc brakes and rear drum brakes standard. Rear disc brakes are optional on Land Cruiser/LX470 and Previa models.
A load-sensing proportioning valve is used to regulate brake pressure between front and rear brakes. Rear brakes on all models are self-adjusting.
Parking brake lever mechanically activates the rear brakes. On models with rear drum brakes, a cable applies rear shoes. On models with rear disc brakes, parking brake is a drum brake internal to rear disc rotor assembly.