Engine Control Module

Component specifications

Bosch ME 7 engine control module (ECM)




Integrated atmospheric pressure sensor

Throttle unit




Damper motor integrated with electronic unit

Accelerator pedal (AP) position sensor




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

Pressure regulator




Line pressure 380 kPa

The mass air flow (MAF) sensor




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






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

Injector




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

Boost pressure sensor




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






Turbocharger (TC) control valve




Frequency controlled valve. Resistance 29.7ohms

Camshaft reset valve




Frequency controlled valve. Resistance 3.7 ohms

Intake air temperature (IAT) sensor




NTC resistance.






Engine coolant temperature (ECT) sensor




NTC resistance.






Knock sensor (KS)




Piezoelectric crystal.

Camshaft position (CMP) sensor




Magnetic resistive sensor with permanent magnet

Engine speed (RPM) sensor




Inductive sensor with permanent magnet Resistance 125.5 ±17 ohms

Front heated oxygen sensor (HO2S)




Linear probe

Preheating, front heated oxygen sensor (HO2S)




Resistance approximately 3 ohms (at 20°C)

Rear heated oxygen sensor (HO2S)




Binary probe

Preheating, rear heated oxygen sensor (HO2S)




Resistance approximately 10 ohms (at 20°C)

Ignition coil




Individually mounted ignition coil with integrated power driver

Spark plugs




Multi electron

Outside temperature sensor




NTC resistance.






A/C pressure sensor




Linear pressure sensor. Measurement range 0 -3100 kPa.






Air conditioning (A/C) pressure switch (Pressostat)




Pressure controlled switch.






Canister purge (CP) valve




Pulse ratio controlled valve. Resistance 29.7 ±1.4 ohms

EVAP canister shut-off valve




Solenoid valve. Resistance 17 ±1 ohms

Fuel tank pressure sensor




Piezo electric lineal pressure sensor.






Fuel pump (FP) relay




Frequency controlled mechanical relay

Air conditioning (A/C) relay




Mechanical relay. Resistance coil 96 ohms

Engine cooling fan (FC) relay




Two pole mechanical relay. Resistance 80 ohms

System relay (1)




Mechanical relay. Resistance 80 ohms

Clutch pedal sensor




Self-adjusting.






Brake pedal sensor




Self-adjusting.






Stop (brake) lamp switch




Two separate switches.

Engine coolant level switch




Level indicator

Oil pressure switch




Pressure controlled switch.