Component description for ME-SFI (ME) control unit

GF07.61-P-6000MR

Component description for ME-SFI (ME) control unit

12.4.13

ENGINE

274.9 in MODEL 204

View of the engine from above

N3/10

ME-SFI [ME] control unit

Input factors over the direct line

Initial parameters over the direct line

Supplemental information

Circuit 15

–

–

Circuit 30 (fused)

–

–

Circuit 31

–

–

Circuit 87M4

–

–

Rear knock sensor (A161)

–

–

Front knock sensor (A16/4)

–

–

Fuel pressure and temperature sensor (B4/25)

–

–

Intake camshaft Hall sensor (B6/15)

–

–

Exhaust camshaft Hall sensor (B6/16)

–

–

Coolant temperature sensor (B11/4)

–

–

Charge air temperature sensor upstream of throttle valve (B17/12)

–

–

Charge air temperature sensor downstream of throttle valve (B17/13)

–

–

Pressure sensor downstream of air filter (B28/5)

–

–

Pressure sensor upstream of throttle valve (B28/6)

–

–

Pressure sensor downstream of throttle valve (B28/7)

–

–

Accelerator pedal sensor (B37)

–

–

Crankshaft Hall sensor (B70)

–

–

Transmission neutral position sensor (B79/2)

–

with manual transmission

Oxygen sensor sensor element downstream of catalytic converter (G3/1b1)

–

–

–

Oxygen sensor heater downstream of catalytic converter (G3/1r1)

–

Oxygen sensor sensor element upstream of catalytic converter (G3/2b1)

–

–

–

Oxygen sensor heater upstream of catalytic converter (G3/2r1)

–

Internal combustion engine fan motor and air conditioning with integrated control (M4/7)

Internal combustion engine fan motor and air conditioning with integrated control (M4/7)

–

–

Actuator motor (M16/6m1), throttle valve

–

Actual value potentiometer 1 (M16/6r1), throttle valve

–

–

Actual value potentiometer 2 (M16/6r2), throttle valve

–

–

Supplemental restraint system control unit (N2/10)

–

–

Circuit 15 relay (N10/1kJ)

–

–

–

Circuit 50 starter relay (N10/1kM)

–

–

Engine circuit 87 relay (N10/1kN)

–

–

Fuel system control unit (N118)

–

–

Wide open throttle operation vent line heater element (R39/2)

–

–

Coolant thermostat heating element (R48)

–

Clutch pedal switch (S40/3)

–

with manual transmission

Start enable clutch pedal switch (S40/5)

–

with manual transmission

Oil level check switch (S43)

–

–

–

Cylinder 1 ignition coil (T1/1)

–

–

Cylinder 2 ignition coil (T1/2)

–

–

Cylinder 3 ignition coil (T1/3)

–

–

Cylinder 4 ignition coil (T1/4)

–

–

Boost pressure control pressure transducer (Y31/5)

–

–

Intake camshaft solenoid (Y49/1)

–

–

Exhaust camshaft solenoid (Y49/2)

–

–

Purging switchover valve (Y58/1)

–

–

Partial load operation crankcase ventilation system valve (Y58/2)

–

–

Cylinder 1 fuel injector (Y76/1)

–

–

Cylinder 2 fuel injector (Y76/2)

–

–

Cylinder 3 fuel injector (Y76/3)

–

–

Cylinder 4 fuel injector (Y76/4)

–

–

Radiator shutters actuator (Y84)

–

Quantity control valve (Y94)

–

–

Deceleration air switchover valve (Y101)

–

–

Engine oil pump valve (Y130)

–

–

Coolant pump switchover valve (Y133)

–

Input factors via the drive train LIN (LIN C1)

Initial parameters via the drive train LIN (LIN C1)

Supplemental information

Alternator (G2)

Alternator (G2)

–

Input factors via drive train CAN (CAN C)

Initial parameters via drive train CAN (CAN C)

Supplemental information

Fully integrated transmission control unit (Y3/8n4)

Fully integrated transmission control unit (Y3/8n4)

with automatic transmission

Fuel system control unit (N118)

Fuel system control unit (N118)

–

Input factors via chassis CAN (CAN E)

Initial parameters via chassis CAN (CAN E)

Supplemental information

Instrument cluster (A1)

Instrument cluster (A1)

–

Supplemental restraint system control unit (N2/10)

–

–

Rear SAM control unit with fuse and relay module (N10/2)

–

Via interior CAN (CAN B) and front SAM control unit with fuse and relay module (N10/1)

Automatic air conditioning control and operating unit (N22/7)

–

Via interior CAN (CAN B) and front SAM control unit with fuse and relay module (N10/1)

Electronic Stability Program control unit (N30/4)

–

–

Video and radar sensor system control unit (N62/2)

–

For code (233) DISTRONIC PLUS, for code (237) Active Blind Spot Assist, for code (238) Active Lane Keeping Assist

Left front door control unit (N69/1)

–

Via interior CAN (CAN B) and front SAM control unit with fuse and relay module (N10/1)

Upper control panel control unit (N72/1)

–

Via instrument panel LIN (LIN 1) and front SAM control unit with fuse and relay module (N10/1)

Electronic ignition lock control unit (N73)

Electronic ignition lock control unit (N73)

–

Steering column tube module control unit (N80)

–

–

Diagnostic connector (X11/4)

–

Via diagnostic CAN (CAN D) and front SAM control unit with fuse and relay module (N10/1)

Designation

Unit

Values

Tolerance range

Remarks

ME-SFI [ME] control unit (N3/10)

Voltage supply

V

12.0

Reverse polarity protection

Yes

Additional specific parameters

No

Flash capability/coding capability

Yes/yes

Special features

No

Rear knock sensor (A16/1)
Front knock sensor (A16/4)

Model

Capacitive sensor (piezo crystal)

Capacitance

pF

1050

250

Resistor

MΩ

>10

Fuel pressure and temperature sensor (B4/25)

Model

Combined pressure and temperature sensor

Supply voltage

V

5.0

5%

Power consumption

mA
mA

12
15

Maximum

Pressure measuring range

MPa

0 - 28

Operating pressure

MPa

34

Maximum

Bursting pressure

MPa

260

Temperature measurement range

°C

–40 - 140

Resistor

kΩ

10

At 25°C

Special features

4-pin connector

Intake camshaft Hall sensor (B6/15),
Exhaust camshaft Hall sensor (B6/16)

Model

Hall sensor

Supply voltage

V

4.7 - 18

Maximum power consumption

mA

<20

Distance to sensor

mm

0.2 - 1.8

Coolant temperature sensor (B11/4)

Model

NTC resistor
(Negative Temperature Coefficient)
(NTC thermistor)

Signal plausibility

V

0.1 - 4.9

Series resistor

Ω

1470

1%

Resistance at: 20°C
40°C
60°C
80°C
100°C
120°C

Ω
Ω
Ω
Ω
Ω
Ω

3117
1338
631
322
175
101

Special features

Arbitrary polarity

Charge air temperature sensorupstream of throttle valve(B17/12),
Charge air temperature sensordownstream of throttle valve(B17/13),

Model

NTC resistor

Supply voltage

V

5.0

Special features

Arbitrary polarity

Pressure sensor downstream of air filter (B28/5)

Model

Pressure sensor

Supply voltage

V

5.0

Pressure sensor upstream of throttle valve (B28/6)

Model

Pressure sensor

Supply voltage

V

5.0

Pressure sensor downstream of throttle valve (B28/7)

Model

Pressure sensor

Supply voltage

V

5.0

Accelerator pedal sensor (B37)

Model

2 Hall sensors

Supply voltage

V

5.0

0.3 V

Power consumption

mA
mA

9
12

Typical
Maximum

Special features

Direct contacting over
6-terminal. AMP plug

Crankshaft Hall sensor (B70)

Model

Hall sensor

Supply voltage

V

5.0

Special features

Depending in the direction of rotation

Transmission neutral position sensor (B79/2) (for a manual transmission)

Model

PLCD position sensor
(Permanent Magnetic Linear Contactless Displacement Sensor)

Supply voltage

V

5.0

Alternator (G2)

Model

A/C alternator with integral rectification

Interface transfer rate: Maximum

kbit/s

19.2

Communication with the ME-SFI [ME] control unit via the LIN bus

Special features

Self-diagnosis

Oxygen sensor downstream of catalytic converter (G3/1) consisting of:
Oxygen sensor element downstream of catalytic converter (G3/1b1),
Oxygen sensor heater downstream of catalytic converter (G3/1r1)

Model

Narrow band oxygen sensor (LSF 4.71)

Supply voltage

V

12

Circuit 87 M2

Medium heating current

mA

400

During idle

Internal resistance

Ω

200 - 250

Pump current

μA
μA

20 - 25
800

Center value
Maximum value

Pump cycle duration

ms

400

Sensor voltage for: T = 350°C λ = 0.97
T = 350°C λ = 1.03

mV
mV

>800
100 - 200

Dependent on exhaust temperature (T)

Sensor voltage for: T = 850°C λ = 0.97
T = 850°C λ = 1.03

mV
mV

>680
40 - 100

Dependent on exhaust temperature (T)

Special features

Potential-free insulated sensor with 4-way connector

Oxygen sensor upstream of catalytic converter (G3/2) consisting of:
Oxygen sensor element upstream of catalytic converter (G3/2b1),
Oxygen sensor heater upstream of catalytic converter (G3/2r1)

Model

Wideband oxygen sensor
(LSU 4.9)

Supply voltage

V

12

Circuit 87 M2

Medium heating current

mA

400

During idle

Internal resistance

Ω

100

Pump current

μA
μA

20 - 25
800

Center value
Maximum value

Pump cycle duration

ms

400

Nernst voltage

mV

450

Special features

Potential-free insulated sensor with 6-way connector

Internal combustion engine fan motor and air conditioning with integrated control (M4/7)

Model

Electric suction fan

Supply voltage

V

12

Circuit 87 M2 and circuit 30

Frequency

Hz

10

PWM signal

Actuation

%

10 - 90

PWM signal

Specified speed of the fan

Via a PWM signal from the ME-SFI [ME] control unit

Throttle valve actuator (M16/6) consisting of:
Actuator motor (M16/6m1),
Actual value potentiometer 1 (M16/6r1),
Actual value potentiometer 2 (M16/6r2)

Model

Actuator motor with a contact-less angular sensor

Supply voltage of the actuator motor

V

12.0

Actuator motor power consumption

A

1.5 - 9.5

Special features

Counter running actual value potentiometer

Wide open throttle operation vent line heater element (R39/2)

Model

Heating element

Rated voltage

V

12

Circuit 87 M2

Series resistor

Ω

10

At 25°C

Coolant thermostat heating element (R48)

Model

Heating element

Supply voltage

V

12

Circuit 87 M2

Operating current

A

<1.9

Resistor

Ω

9.5

1 Ω

At 25°C

Frequency

Hz

141

Clutch pedal switch (S40/3) (for manual transmission), clutch pedal switch start enable (S40/5) (for manual transmission)

Model

2-pin switch

Pull-up resistance

kΩ

3.16

Internal control unit

Signal voltage:
HIGH
LOW

V
V

>4.47
<2.23

Switching threshold for recognition of the coupling switch information

Oil level check switch (S43)

Model

Reed contact (normally closed contact)

Resistor

Ω
Ω


0

Oil level OK
Minimum oil level not reached

Special features

2-pin micro-Quadlok connector

Ignition coils for cylinder 1 - 4 (T1/1 - T1/4)

Model

Single-spark ignition coil

Supply voltage

V

12

Secondary voltage

V

35000

Primary current

A

21

Charging current

Primary resistance

Ω

0.064

Secondary resistance

Ω

2.25

Primary inductivity

μH

289

Secondary inductivity

H

5.84

Special features

Capacitive pick up for diagnosis

Boost pressure control pressure transducer (Y31/5)

Model

Solenoid valve

Supply voltage

V

12

Circuit 87 M2

Duty cycle

%

100

Duty cycle

%

5 - 95

For 10 V

Operating frequency

Hz

300

PWM signal

Coil resistance

Ω

10.5

0.7

Air consumption

l/h

<35

Intake camshaft solenoid (Y49/1),
Exhaust camshaft solenoid (Y49/2)

Model

Magnet

Supply voltage

V

12

Circuit 87M3

Operating voltage

V

10 - 16

Maximum power consumption

A

<3.0

Coil resistance

Ω

7.6

10%

Frequency

Hz

150

PWM signal

Actuation

%

5 - 95

PWM signal

Ambient temperatures

°C

–40 - 155

Purging switchover valve (Y58/1)

Model

Solenoid valve

Supply voltage

V

12

Circuit 87 M2

Operating voltage

V

9 - 16

Frequency

Hz

200

PWM signal

Coil resistance

Ω

14.2

Partial load operation crankcase ventilation system valve (Y58/2)

Model

Solenoid valve

Supply voltage

V

12

Operating voltage

V

10 - 16

Coil resistance

Ω

32

1.6

Maximum flow

l/min

30

Working area

bar

–0.9 - 2

Fuel injectors for cylinder 1 to 4 (Y76/1 - Y76/4)

Model

Piezo injectors

Resistor

kΩ

220

10 kΩ

Special features

2-pin connector:
Pin 1 (high side), Pin 2 (low side)

Radiator shutters actuator (Y84)

Model

Electrical switchover valve

Supply voltage

V

12

Circuit 87 M2

Quantity control valve (Y94)

Model

Power consumption

A

approx. 14

Maximum at 20°C

Effective current

A

< 5

Maximum at 20°C

Coil resistance

Ω

0.49

5%

At 20°C

Frequency

kHz

4

PWM signal

Actuation

%

10 - 90

PWM signal

Deceleration air switchover valve (Y101)

Model

Solenoid valve

Supply voltage

V

12

Circuit 87 M2

Operating voltage

V

10 - 16

Maximum power consumption

A

2.36

0.06 A

Total resistance

Ω

8.9

0.25 Ω

At 25°C

Engine oil pump valve (Y130)

Model

Solenoid valve

Supply voltage

V

12

Circuit 87 M2

Frequency

Hz

200

PWM signal

Coolant pump switchover valve (Y133)

Model

Solenoid valve

Supply voltage

V

12

Circuit 87 M2

Wiring diagram for gasoline direct injection system control unit

N3/10, engine side

PE07.08-P-2101-97FAG

N3/10, body-side

PE07.08-P-2101-97FAH