Checking Brake Pressure Sensor

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

• Ignition on.
• Read off the pressure from the brake system.

  The brake pressure must increase with increased pedal pressure.

  If the brake pressure does not increase with increased pedal pressure, replace the brake system's hydraulic unit.

  Other information: 

  • see HYDRAULIC UNIT BRAKE SYSTEM
  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS CORPORATION
  Fig 3: Identifying Brake Control Module (BCM)

  Courtesy of VOLVO CARS CORPORATION

Does the brake pressure increase? 

• YES 

  Refer to CHECKING THE COMPONENT 

• NO 

  Refer to VERIFICATION