Component Location, Engine Control Module (ECM) [2011-2012, B5254T5]
Not all components described below are installed in the vehicle. This varies between different engine types.
| Component | Located at/on: | |
| 1 | Injectors (5 x) | Intake manifold. |
| 2 | Intake camshaft reset valve | Engine, timing belt side, by camshaft. |
| 3 | Exhaust camshaft reset valve | Engine, timing belt side, by camshaft. |
| 4 | A/C pressure sensor | Air conditioning (A/C) system high pressure pipe (thin pipe). |
| 5 | Air conditioning (A/C) pressure switch | Air conditioning (A/C) system low pressure pipe (thick pipe). |
| 6 | Turbocharger (TC) control valve | The turbocharger (TC). |
| 7 | Ignition coil (5 x) | The cylinder head. |
| 8 | Evaporative emission system (EVAP) valve | Intake manifold. |
| 9 | Camshaft position (CMP) sensor, intake | Engine, flywheel side, by the camshaft. |
| 10 | Camshaft position (CMP) sensor, exhaust | Engine, flywheel side, by the camshaft. |
| 11 | Integrated relay/fusebox | |
| 12 | Engine speed (RPM) sensor | Above the flywheel. |
| 13 | Mass air flow (MAF) sensor | The air cleaner (ACL) module. |
| 14 | Engine coolant temperature (ECT) sensor | The thermostat housing. |
| 15 | Engine control module (ECM) | The air cleaner (ACL) module. |
| 16 | Knock sensor (KS) | The cylinder block under the air cleaner (ACL) module. |
| 17 | Engine cooling fan (FC) control module | |
| 18 | Oil pressure switch | Lower front edge of the engine. |
| 19 | Boost pressure sensor | The charge air cooler (CAC) upper right-hand section. |
| 20 | Throttle unit | The engine intake manifold. |
| 21 | Fuel pressure sensor/fuel temperature sensor | Fuel rail right face. |