Engine Control Module: Specifications
Component specifications
Note! As the illustrations in this service information are used for different model years and / or models, some variation may occur. However, the essential information in the illustrations is always correct.
Bosch ME 7 engine control module (ECM)
Integrated atmospheric pressure sensor
Throttle unit
Damper motor integrated with the electronic unit
Accelerator pedal (AP) position sensor
Two signals. Pulse ratio and lineal signal (digital / analog)
Pressure regulator
Line pressure 380 kPa
Mass air flow (MAF) sensor
B52x4 Tx, B6xx4 Sx
Mass air flow (MAF) sensor resistive film. Measurement range 0 -640 kg/h.
B6284 Tx
Mass air flow (MAF) sensor resistive film. Measurement range 0 - 850 kg/h.
Fuel pump
Pump capacity at line pressure of 380 kPa and 13 V 125 l/min.
Electrical / power consumption at a line pressure of 380 kPa and 13 V is maximum 7.5 A
Injector
Coil resistance approximately 12 ohms (at 20 °C).
Boost pressure sensor
Piezo resistive lineal pressure sensor. Measurement range 20.0-250 kPa.
Turbocharger (TC) control valve
Pulse ratio valve. Resistance 29.7ohms
Camshaft reset valve
Pulse ratio valve. Resistance 3.7 ohms
Intake air temperature sensor
B52x4 Tx, B6284 Tx
NTC resistance.
B6xx4 Sx
NTC resistance.
Engine coolant temperature (ECT) sensor
NTC resistance.
Knock sensor (KS)
Piezoelectric crystal.
Camshaft position sensor (CMP)
Magnetic resistive sensor with a permanent magnet
Engine speed (RPM) sensor
Inductive sensor with a 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 an integrated power driver
Spark plugs
Multi electron
Outer temperature sensor
NTC resistance.
A/C pressure sensor
Linear pressure sensor. Measurement range 0-3100 kPa.
Canister purge (CP) valve
Pulse width modulated 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.
Air conditioning (A/C) relay
Mechanical relay. Resistance coil 96 ohms between terminals #2 and #4
Engine cooling fan (FC) control module
PWM controlled discharge module with variable output voltage and diagnostics
System relay (2/32)
Mechanical relay. Resistance 80 ohms
Clutch pedal sensor
Self-adjusting.
Brake pedal sensor
Self-adjusting.
Stop lamp switch
Two separate switches.
Coolant level sensor
Level indicator
Oil pressure switch
Pressure controlled switch.