1 - electropneumatic valve,
2 - air conditioner switch for coolant temperature (for 2C except front-wheel drive with manual transmission),
3 - air conditioner switch for coolant temperature (for 2C),
4 - coolant temperature sensor (increased idling speed when the heater is turned on (for 2C)),
5 - compressor,
6 - capacitor,
7 - condenser fan,
8 - fan switch for coolant temperature (except 5A-FE, 4A-FE),
9 - thermistor (ambient temperature sensor),
10 - pressure switch,
11 - coolant temperature switch (except 5A-FE, 2С),
12 - fan switch for coolant temperature (for 5A-FE, 4A-FE),
13 - mounting block No. 2,
14 - relay block No. 5,
15 - receiver,
16 - relay block,
17 - light sensor,
18 - relay EX-HI (button type panel),
19 - air intake flap servo,
20 - servo damper for mixing air flows,
21 - servo damper direction, airflow,
22 - conditioner amplifier (button type panel),
23 - temperature sensor in the cabin,
24 - water valve damper control lever,
25 - power transistor (button type panel) or fan resistor (lever type panel),
26 - lower fan resistor (button type panel),
27 - coolant temperature sensor,
28 - air temperature sensor behind the evaporator,
29 - heater fan motor,
30 - conditioner amplifier (lever type panel).