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Ignition and Control Systems - Component Location (Convertible): Overview Volvo C70 I

Ignition System 10 illustrations ~363 words

Scheme 65

Scheme 65: Location of components
Scheme 65: Location of components

Fuel filter all-wheel drive (AWD)

By right rear wheel.

Scheme 66

Scheme 66
Scheme 66

Fuel pressure regulator

Behind engine on right-hand side by upper steering gear.

Scheme 67

Scheme 67
Scheme 67

Control module ground

The control module ground leads are connected to a common ground terminal (31/71) in the engine compartment on the right side member in front of the control module box.

The power ground and signal ground are connected to the same terminal.

Scheme 68

Scheme 68
Scheme 68
AAW50-42 transmission control module (TCM)
BMotronic 4.4 engine control module (ECM)
CMass air flow (MAF) sensor
DInjectors
EEngine coolant temperature (ECT) sensor
FIdle air control (IAC) valve
GMain relay
HIgnition coil Ignition discharge module (IDM)
IAccelerometer
JEngine cooling fan (FC) relay
KSolenoid valve Pulsed secondary air injection system (PAIR)
LCentral electrical unit
MCanister purge (CP) valve
NAir conditioning (A/C) pressure sensor
OPressure switch (Pressostat)
PPulsed secondary air injection system (PAIR) pump
Q 1Front knock sensor (KS)
Q 2Rear knock sensor (KS)
RPulsed secondary air injection system (PAIR) pump relay
SPulsed secondary air injection system (PAIR) valve
TTurbocharger (TC) control valve
UBoost pressure control (BPC) valve pressure servo
VAtmospheric pressure sensor
XOutside temperature sensor

Engine compartment

Scheme 69

Scheme 69
Scheme 69
ADistributor
BEngine speed (RPM) sensor
CThrottle position (TP) sensor
DCamshaft position (CMP) sensor

Rear of engine

Scheme 70

Scheme 70: Location of components, engine compartment
Scheme 70: Location of components, engine compartment

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

PositionDescriptionPositionDescription
1Engine coolant temperature (ECT) sensor12Mass air flow (MAF) sensor
2Ignition coil13Intake air temperature sensor
3Coolant level sensor14Boost pressure sensor
4Camshaft reset valve15Evaporative emission system (EVAP) valve
5Air conditioning (A/C) pressure switch16Injector
6Turbocharger (TC) control valve17Throttle unit
7Engine speed (RPM) sensor18Engine cooling fan (FC) relay
8Camshaft sensor19Outer temperature sensor
9Brake pedal sensor20A/C pressure sensor
10Fusebox21Knock sensor (KS)
11Relay box22Engine control module (ECM)

Scheme 71

Scheme 71: Location of components
Scheme 71: Location of components

Location of components

  1. Engine coolant temperature (ECT) sensor
  2. Coolant level sensor
  3. A/C pressure sensor
  4. Injector
  5. Ignition coil
  6. Camshaft sensor
  7. Brake pedal sensor
  8. Fusebox
  9. Relay box
  10. Air assisted control valve (AACV)
  11. Engine speed (RPM) sensor
  12. Mass air flow (MAF) sensor with integrated temperature sensor
  13. Canister purge (CP) valve
  14. Throttle unit
  15. Manifold absolute pressure (MAP) sensor
  16. Outer temperature sensor
  17. Engine cooling fan (FC) relay
  18. Engine control module (ECM) ground terminal
  19. Knock sensor (KS)
  20. Engine control module (ECM).

Scheme 72

Scheme 72: Location of components
Scheme 72: Location of components

Location of components

  1. Engine control module (ECM) ground terminal
  2. Coolant level sensor
  3. Camshaft reset valve
  4. Injector
  5. Ignition coil
  6. Camshaft position sensor (CMP)
  7. Air assisted control valve (AACV)
  8. Brake pedal sensor
  9. Outer temperature sensor
  10. Relay box/fuse box
  11. Engine cooling fan (FC) ground terminal
  12. Engine speed (RPM) sensor
  13. Mass air flow (MAF) sensor with integrated temperature sensor
  14. Canister purge (CP) valve
  15. Throttle unit
  16. Knock sensor (KS)
  17. Manifold absolute pressure (MAP) sensor
  18. Engine cooling fan (FC) control module
  19. A/C pressure sensor
  20. Engine coolant temperature (ECT) sensor
  21. Engine control module (ECM).

Scheme 73

Scheme 73: Location of components
Scheme 73: Location of components

Location of components

  1. Right wheel arch ground terminal
  2. Engine coolant level switch
  3. Camshaft reset valve
  4. Injector
  5. Ignition coil
  6. Camshaft position (CMP) sensor
  7. Brake pedal sensor
  8. Outside temperature sensor in the left-hand door mirror
  9. Relay box/fuse box
  10. Left wheel arch ground terminal
  11. Engine speed (RPM) sensor
  12. Mass air flow (MAF) sensor with integrated temperature sensor
  13. Canister purge (CP) valve
  14. Throttle unit
  15. Knock sensors (KS)
  16. Manifold absolute pressure (MAP) sensor
  17. Engine cooling fan (FC) control module
  18. A/C pressure sensor
  19. Engine coolant temperature (ECT) sensor
  20. Engine control module (ECM).

Scheme 74

Scheme 74: Component location, B52X4T
Scheme 74: Component location, B52X4T

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