Location of components, engine compartment

Fig 1: Identifying Engine Compartment Components

Courtesy of VOLVO CARS OF NORTH AMERICA.

NOTE:

For S60/V70 2004- B5254T2 AW55-50SN US market, see Location of components, engine compartment .

Not all the following components are necessarily in the car. The components vary between engine types.

	Component	Remarks
1	Engine coolant temperature (ECT) sensor
2	Ground terminal
3	Coolant level sensor
4	Camshaft reset valve	Available on both the intake and the exhaust camshafts or only on one of the camshafts, varies between engine types
5	Turbocharger (TC) control valve	Turbocharged engines only
6	Camshaft sensor	Available on both the intake and the exhaust camshafts or only on one of the camshafts, varies between engine types
7	Brake pedal sensor
8	Engine speed (RPM) sensor
9	Outer temperature sensor
10	Power supply terminal
11	Fusebox
12	Relay box
13	Mass air flow (MAF) sensor	Naturally aspirated engines: Also includes the intake air temperature (IAT) sensor
14	Canister purge (CP) valve
15	Boost pressure sensor	Turbocharged engines only: Also includes the intake air temperature (IAT) sensor
16	Ignition coil
17	Injector
18	Engine cooling fan (FC) control module
19	Throttle unit	Also includes the throttle position (TP) sensor
20	A/C pressure sensor
21	Knock sensor (KS)
22	Engine control unit
23	Engine cooling fan (FC) control modules