Location Of Components

Fig 1: Fuel Pump In Fuel Tank

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fuel pump: 

in the fuel tank.

Fig 2: Fuel Filter By Left Rear Wheel

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fuel filter: 

by the left rear wheel.

Fig 3: Engine Control Module (ECM) On Center Console Under Dashboard

Courtesy of VOLVO CARS OF NORTH AMERICA.

Engine control module (ECM): 

on the center console under the dashboard.

Fig 4: Data Link Connector (DLC)

Courtesy of VOLVO CARS OF NORTH AMERICA.

Data Link Connector (DLC): 

on the left of the center console (LHD cars); on the right on the center console (RHD cars).

Fig 5: Data Link Connector (DLC) And Components On Firewall In Engine Compartment

Courtesy of VOLVO CARS OF NORTH AMERICA.

The bracket for the connectors: 

on the firewall in the engine compartment.