Lack of boost action check
Turn the engine OFF, and set the value of the vacuum gauge to "0". Then, check the fluid pressure when the brake pedal is depressed. The pressure must be greater than the specification listed.
PRESSURE SPECIFICATION
| Brake pedal operation force N (kgf, lb) | 147 (15, 33) | 294 (30, 66) |
| Fluid pressure kPa (kg/cm2 , psi) | 590 (6, 86) | 1,654 (17,240) |