Legend of block diagram for common rail diesel injection (CDI)

PE07.16-P-2001-60BC

Legend of block diagram for common rail diesel injection (CDI)

ENGINE 646 in MODEL 209

Code

Designation

Coordinates

A1

Instrument cluster

32E

A1e16

Preglow indicator lamp

32F

A1e58

Engine diagnosis indicator lamp

32F

A1p13

Multifunction display

32G

A1p5

Tachometer

32F

A9

Refrigerant compressor

47D

A53/1

Left sidebag and windowbag sensor

40D

A54/1

Right sidebag and windowbag sensor

40D

B1

Oil temperature sensor

4G

B2/5

Hot film mass air flow sensor

4G

B4/6

Rail pressure sensor

4G

B5/1

Charge pressure sensor

4G

B6/1

Camshaft Hall sensor

4G

B10/6

Evaporator temperature sensor

37D

B11/4

Coolant temperature sensor

4H

B17/8

Charge air temperature sensor

4H

B19/7

Temperature sensor upstream of TWC

4H

B19/8

Temperature sensor downstream of TWC

4H

B28/5

Pressure sensor downstream of air filter

4H

B28/8

Pressure differential sensor (DPF)

4H

B37

Accelerator pedal sensor

1G

B40

Oil sensor (oil level, temperature and quality)

4J

B50

Fuel temperature sensor

4J

B60

Exhaust back pressure sensor

4J

B76

Fuel filter water level sensor

4J

G2

Alternator

4J

G3/2

O2 sensor upstream of TWC

4K

L5

Crankshaft position sensor

4K

L6/1

Left front rpm sensor

7G

L6/2

Right front rpm sensor

7G

L6/3

Left rear rpm sensor

7G

L6/4

Right rear rpm sensor

7G

M3

Fuel pump

2G

M4/7

Engine and AC electric suction fan with integrated control

3F
50E

M16/5

Throttle valve actuator

5G

M55

Intake port shutoff motor

5G

N10/1

Front SAM control unit with fuse and relay module

2F
3F
18F
45E
48E
50E
53F

N10/2kA

Fuel pump relay

2F

N14/2

Glow output stage

3F

N15/3

EGS control unit

16E

N15/5

Electronic selector lever module control unit

20E

N15/6

Automated manual transmission control unit

12E

N2/7

Restraint systems control unit

42E

N3/9

CDI control unit

4E
6E

N22

AAC [KLA] control and operating unit

39D

N22/7

Comfort AAC control and operating unit

38E

N33/2

Heater booster control unit

5G

N47-5

ESP and BAS control unit

9E

N72/1

Upper control panel control unit

35E

N72/1s1

ESP OFF switch

34D

N73

EIS [EZS] control unit

24E

N80

Steering column module

28E

R39/1

Vent line heater element

5G

S12

Parking brake indicator switch

52F

S16/2

Backup lamp switch

43D

S16/5

Transmission mode switch

17F

S16/5s1

Transmission mode switch

17G

S16/10

Gear recognition switch (voltage coded)

11F

S40/4

CC [TPM] switch

27F

S40/4s1

Resume from memory

27G

S40/4s2

Decelerate and set

27G

S40/4s3

Accelerate and set

27G

S40/4s4

Off

27G

S40/4s5

Control contact

27G

S40/4s6

Variable speed

27G

S43

Oil level check switch

4K

U24

Valid for manual transmission

43C

U29

Valid for AAC [KLA]

36C

U527

Valid for electronic transmission control (ETC [EGS])

14C

U673

Valid for comfort AAC [K-KLA]

36C

U674

Valid for automated manual transmission (SEQ) [ASG]

10C

X11/4

Data link connector

3G
19F

Y3/6

Electrical control unit

14F
15F

Y3/6b1

Transmission oil temperature sensor

14G

Y3/6n2

RPM sensor 2

14G

Y3/6n3

RPM sensor 3

14G

Y3/6s1

Starter lockout contact

14G

Y3/6y1

Modulating pressure control solenoid valve

15F

Y3/6y2

Shift pressure control solenoid valve

15F

Y3/6y3

1-2 and 4-5 shift solenoid valve

15G

Y3/6y4

3-4 shift solenoid valve

15G

Y3/6y5

2-3 shift solenoid valve

15G

Y3/6y6

Torque converter lockup PWM solenoid valve

15G

Y10

SPS [PML] solenoid valve

8F

Y27/9

Left exhaust gas recirculation positioner

5G

Y74

Pressure regulator valve

5H

Y76

Fuel injectors

5H

Y76y1

Cylinder 1 fuel injector

5H

Y76y2

Fuel injector (2nd cylinder)

5H

Y76y3

Fuel injector (3rd cylinder)

5H

Y76y4

Fuel injector (4th cylinder)

5J

Y85

EGR [AGR] cooler bypass flap switchover valve

5J

Y94

Quantity control valve

5J

Y100/1

Right charge pressure positioner

5J