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

Engine Control Systems 4 illustrations ~155 words

Location Of Components

Fuel pump

in the fuel tank.

Fuel filter

by the left rear wheel.

Engine control module (ECM)

on center console under dashboard.

Data Link Connector (DLC)

to the left on the center console (left-hand drive cars)

to the right on the center console (right-hand drive cars).

Scheme 39

Scheme 39

The bracket for the connectors

on the firewall in the engine compartment.

1The connector for the front heated oxygen sensor (HO2S)
2The connector for the engine speed (RPM) sensor
3The connector for the knock sensor (KS)
4The connector for the camshaft position (CMP) sensor
5The connector for the ignition coils and the camshaft valve

Scheme 40

Scheme 40

Connector for the rear heated oxygen sensor (HO2S)

behind the rear center console.

Scheme 41

Scheme 41: 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
18Boost pressure sensor (BOP)On the charge air pipe between the throttle body (TB) and the charge air cooler (CAC)
19Mass airflow sensor (MAF)Outlet air filter
20Relay FC speed 1In relay box
21Relay A/C compressorIn relay box
22Relay condenser fanIn relay box
23Relay coolant fan (FC) speed 2In relay box
24System relayIn relay box
25EVAP canisterLocated on the fuel tank
26LDP pumpLocated on the member to the rear

Fuel pump

in the fuel tank.

Fuel filter

by the left rear wheel.

Engine control module (ECM)

on the center console under the dashboard.

Data Link Connector (DLC)

on the left of the center console (LHD cars); on the right on the center console (RHD cars).

Scheme 42

Scheme 42

The bracket for the connectors

on the firewall in the engine compartment.

1Front heated oxygen sensor (HO2S) connector
2Rear heated oxygen sensor (HO2S) connector
3Engine speed (RPM) sensor connector
4Knock sensor (KS) connector
5Camshaft position (CMP) sensor connector
6Ignition coils/camshaft adjustment valve connector

See Location of components