Replacing the component

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.
  • Replace relay 2/17
  • Activate the relay, press the horn
  • If the function is OK (the relay makes a noise), the cause of the fault was a defective relay (open-circuit or short-circuit the relay).
  Fig 2: Identifying Relays And Terminals

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Was the function OK? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Checking for an open-circuit between the control module and the relay