Checking components and wiring

Check that the fuses in the fusebox in the passenger compartment are intact.

Check the cable between control module terminal #21 and siren connector terminal #2. Check for an open-circuit. Check for a short-circuit to ground.

Check the wiring from the fuse in the passenger compartment to siren connector terminal #1. Check for an open-circuit. Check for a short-circuit to ground.

Remedy as necessary.

Reconfigure the siren if no faults are found.

Other information: 

• Replace the siren. See Siren, replacing
• See Checking wiring and terminals .

Fig 1: Locating Fuse Holder (Passenger Compartment)

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.