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Ignition and Control Systems - Component Location (644 Body): Overview Volvo S40 I рестайлинг

Engine Control Systems 7 illustrations

Scheme 32

Scheme 32: Engine Compartment
ComponentLocation
1Turbo control valve (TCV)On the rear side of the air filter cover
2Engine speed sensor (RPM)On the engine, on the flywheel side
3Throttle position sensor (TP)On the throttle housing
4EVAP purge valveThe electrical valve is situated on the coolant radiator
5A/C linear pressure sensorIn the A/C dryer
6Engine coolant fan (FC)The left fan behind the radiator
7Condenser fanThe right fan (small) behind the radiator
8Intake air temperature sensor (IAT)On the cold intercooler side. Underneath the connecting pipe to the inlet manifold
9Manifold absolute pressure sensor (MAP)Located on the inlet manifold between cylinder 3 and 4
10Engine coolant temperature sensor (ECT)Central coolant temperature sensor. The EMS 2000 communicates the temperature to the instrument as well
11Knock sensor (KC)On the front side of the engine between cylinders 2 and 3
12Idle air control valve (IAC)On the inlet manifold
13PCV heatingThe crankcase ventilation heating is on the hose, near the turbo compressor
14Ignition coilCylinders 2 and 3
15Ignition coilCylinders 1 and 4
16VVT valveMounted on the cylinder head. Regulates the exhaust camshaft
17Camshaft position sensor (CMP)On the exhaust camshaft
18Altitude sensorOn the bracket, with the connectors underneath the cover
19Mass airflow sensor (MAF)Outlet air filter
20Relay A/C compressorIn relay box
21Relay coolant fan (FC) speed 2In relay box
22System relayIn relay box
23Relay condenser fanIn relay box
24Relay FC speed 1In relay box
25EVAP canisterLocated on the fuel tank
26LDP pumpLocated on the member to the rear

Scheme 33

Scheme 33: Location Of Components

Fuel pump

in the fuel tank.

Scheme 34

Scheme 34

Fuel filter

by the left rear wheel.

Scheme 35

Scheme 35

Relays and fuses

In the integrated relay/fusebox in the engine compartment.

2/10Air conditioning (A/C) relay
2/11Engine cooling fan (FC) relay, low-speed
2/14System relay
2/15Engine cooling fan (FC), high-speed (only applies to cars with air conditioning (A/C))

Scheme 36

Scheme 36

In the integrated relay/fusebox in the passenger compartment.

Scheme 37

Scheme 37

Engine control module (ECM)

On the center console under the dashboard.

Scheme 38

Scheme 38

Data Link Connector (DLC)

on the left-hand side of the center console (left-hand drive cars); on the right-hand side of the center console (right-hand drive cars).