Component Location, Engine Control Module (ECM) [2011-2016, B6304T4 | 2015-2016, B6304T5]

Courtesy of VOLVO CARS CORPORATION

Location of components 

1. Injectors x 6
2. Turbocharger (TC) control valve
3. Relief valve.
4. Reset valve camshaft (CVVT)
5. Engine control module (ECM).
6. Camshaft sensor, 2 x.
7. Mass airflow sensor/air temperature sensor.
8. Evaporative emission system (EVAP) valve.
9. Throttle unit.
10. Engine speed (RPM) sensor.
11. Charge pressure sensor.
12. Engine cooling fan (FC).
13. Oil level sensor.
14. Intake pressure sensor.
15. Knock sensor, x 2