Legend of block diagram of automatic air conditioning (AAC)

PE83.40-P-2001-60CD

Legend of block diagram of automatic air conditioning (AAC)

MODEL 215
with CODE (581a) Automatic air conditioning
with CODE (498) Japan version
Sheet 1

Code

Designation

Coordinate

A9

Refrigerant compressor

8G
12G

A31

Heating system delivery unit

2G
4G

A31m1

Circulating pump

4G

A31y1

Left duovalve

2G

A31y2

Right duovalve

2G

A32

Heating systems recirculation unit

2G

A32m1

Blower motor

2H

A32n1

Blower regulator

2H

A45

Fanfare horns and airbag clock spring contact

49G

B10/2

Left heat exchanger temperature sensor

1G

B10/3

Right heat exchanger temperature sensor

1G

B10/6

Evaporator temperature sensor

1H

B12

Refrigerant pressure sensor

14G

B12/1

Refrigerant temperature sensor

14G

B14

Outside temperature display temperature sensor

14G

B31/1

AAC [KLA] multifunction sensor

1H

B32/2

AAC [KLA] sun sensor (4 in total)

1H

B61

SR obstruction sensor unit

27G
27H

B61b1

Front SR obstruction sensor

27H

B61b2

Rear SR obstruction sensor

27H

G2

Alternator

8G
11G

K40/5

Rear fuse and relay module

25E

K40/5f53

Fuse 53

24G

K40/5kU

Heated rear window relay

24G

K40/6

Left front fuse and relay module

19E

K40/7

Right front fuse and relay module

9E
13E
15G

M10/3

Left front power window motor

36G
37G
43G
44G

M10/4

Right front power window motor

39G
40G
46G
47G

M12

Tilting/sliding roof drive assembly

28G
29G

M12b1

Hall sensor 1, SR

29G

M12b2

Hall sensor 2, SR

29G

M12m1

SR motor

28G

M18/9

Left front seat cushion ventilation motor group

34G

M18/10

Left front seat backrest ventilation motor group

34G

M18/11

Right front seat cushion ventilation motor group

31G

M18/12

Right front seat backrest ventilation motor group

31G

N10/6

Left front SAM control unit

16E

N10/7

Right front SAM control unit

6E

N10/8

Rear SAM control unit

22E

N18/4

Center vent electronics control unit

1H

N22

AAC [KLA] control and operating unit

3E

N22s1

Heated rear window switch

1H

N22/5

Stepping motor electronics control unit

1H

N29/5

Left front seat ventilation blower regulator

31G

N29/6

Right front seat ventilation blower regulator

34G

N32/1

Left front seat adjustment control unit with memory

32E

N32/2

Right front seat adjustment control unit with memory

35E

N69/1

Left door control unit

38E
44E

N69/2

Right door control unit

41E
48E

N70

Overhead control panel control unit

29E

N70b1

In-car temperature sensor

29G

N73

EIS control unit

55E

N80

Steering column module

51E

R1

Heated rear window

24G

S17/3

Left door contact switch

20G

S17/4

Right door contact switch

20H

S68/9

Left front seat belt buckle microswitch

30G

S68/10

Right front seat belt buckle microswitch

33G

S86/1

Left lock switch

36G

S86/1s1

Left lock switch, unlock

36H

S86/1s2

Left lock switch, lock

36H

S87/1

Right lock switch

46G

S87/1s1

Right lock switch, unlock

46H

S87/1s2

Right lock switch, lock

46H

S110

Left multifunction steering wheel button group

49G

S110s1

Scroll forward/back button

49H

S110s3

System selection button

49H

U12

Valid for left-hand drive vehicles

36D

U13

Valid for right-hand drive vehicles

42D

U151

Valid for engine 113

7D
7D

U321

Valid for engine 137

11D

U425

Valid for CL 55 AMG

9D

U779

Valid for engine 275

11D

U818

Valid for CL 65 AMG

11D