Checking the control module

Fig 1: Identifying Ignition Switch ON Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector(s) Reinstallation

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Reinstall the components, reconnect the connectors etc.
• Ignition on
• Read off the pressure in the brake system from the relevant pressure sensor
• Depress the brake pedal.

  The brake pressure must increase with increased pedal pressure.

  Fig 3: Identifying Breakout Box

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 4: Identifying Voltmeter

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the brake pressure increase? 

• YES 

  Refer to Verification 

• NO 

  Refer to Information