Brake Booster Operating Test For simple checking of the brake booster operation, carry out the following tests. 1. Run the engine for one or two minutes, and then stop it.
Components 1. Reservoir cap 2. Reservoir 3. Brake booster 4. Master cylinder assembly 5. Clevis
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the evaporator temperature sensor connector. 3. Measure the resistance between terminal "+" and "-" of the evaporator temperature sensor.