Component location (B5244S; 2001-2006)

Fig 1: Identifying Engine Equipment, Ignition And Control System Components

Courtesy of VOLVO CARS OF NORTH AMERICA.

Location of components 

1. Engine control module (ECM) ground terminal
2. Coolant level sensor
3. Camshaft reset valve
4. Injector
5. Ignition coil
6. Camshaft position sensor (CMP)
7. Air assisted control valve (AACV)
8. Brake pedal sensor
9. Outer temperature sensor
10. Relay box / fuse box
11. Engine cooling fan (FC) ground terminal
12. Engine speed (RPM) sensor
13. Mass air flow (MAF) sensor with integrated temperature sensor
14. Canister purge (CP) valve
15. Throttle unit
16. Knock sensor (KS)
17. Manifold absolute pressure (MAP) sensor
18. Engine cooling fan (FC) control module
19. A/C pressure sensor
20. Engine coolant temperature (ECT) sensor
21. Engine control module (ECM).