Contents Wiring diagrams Section: Auxiliary Emission Control Systems All sections

Engine Components - Specifications: Overview Volvo S80 I

Auxiliary Emission Control Systems 16 illustrations ~155 words

Scheme 176

Scheme 176: Bosch ME 7 engine control module (ECM)

Integrated atmospheric pressure sensor

Scheme 177

Scheme 177: Throttle unit

Damper motor integrated with electronic unit

Scheme 178

Scheme 178: Accelerator pedal (AP) position sensor

Two signals. Pulse width modulated and lineal signal (digital / analog)

Scheme 179

Scheme 179: Pressure regulator

Line pressure 380 kPa

Scheme 180

Scheme 180: The mass air flow (MAF) sensor

Mass air flow (MAF) sensor resistive film. Measurement range 12- 640 kg/h.

Q (kg/h)12.015.030.060.0
V (Volt)1.311.391.692.11

Scheme 181

Scheme 181: Fuel pump

Pump capacity at a line pressure of 380 kPa and 13 V > 125 l/min.

Power consumption at a line pressure of 380 kPa and 13 V max 7.5 A

Scheme 182

Scheme 182: Injector

Coil resistance should be approximately 12ohms(at 20°C).

Scheme 183

Scheme 183: Boost pressure sensor

Piezo resistive lineal pressure sensor. Measurement range 20.0 -250 kPa.

P (kPa)90.0101.3150.0200.0
V /(Volt)1.691.902.803.71

Scheme 184

Scheme 184: Turbocharger (TC) control valve

Frequency controlled valve. Resistance 29.7ohms

Scheme 185

Scheme 185: Camshaft reset valve

Frequency controlled valve. Resistance 3.7 ohms

Scheme 186

Scheme 186: Intake air temperature (IAT) sensor

NTC resistance.

Temperature (°C)010203040
R (ohms)159319672606839232603
V (Volt)4.303.943.503.002.50

Scheme 187

Scheme 187: Engine coolant temperature (ECT) sensor

NTC resistance.

Temperature (°C)010204080100
R (ohms)5740370024501150318184
V (Volt)2.652.101.620.920.290.17

Scheme 188

Scheme 188: Knock sensor (KS)

Piezoelectric crystal.

Scheme 189

Scheme 189: Camshaft position (CMP) sensor

Magnetic resistive sensor with permanent magnet

Scheme 190

Scheme 190: Engine speed (RPM) sensor

Inductive sensor with permanent magnet Resistance 125.5 17 ohms

Scheme 191

Scheme 191: Front heated oxygen sensor (HO2S)

Linear probe