Heating and Air Conditioning: Locations

Climate control, location of components

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.

Passenger compartment / Door mirror

Location of Climate Control System Components (Passenger Compartment/Door Mirror):

1. Climate control unit
2. Outside temperature sensor
3. Passenger compartment temperature sensor (ECC)
4. Sun sensor (ECC)
5. Climate control unit
6. Air quality sensor
7. Multifilter / filter.

Climate control unit

Location of Climate Control System Components (Climate Control Unit):

1. Heat exchanger
2. Evaporator
3. Fan motor
4. Power unit
5. Damper motor module (DMM) air distribution
6. Damper motor module (DMM) temperature right
7. Damper motor module (DMM) temperature left
8. Damper motor module (DMM) recirculation
9. Damper motor module (DMM) defroster
10. Coolant pipe terminal; to and from the engine compartment
11. Temperature sensor, evaporator (left-hand drive cars)
12. Temperature sensor, evaporator (right-hand drive cars).

Rear climate control unit, XC90 only

Location of Climate Control System Components (Climate Control Unit Rear):

1. Fan motor
2. Evaporator
3. Switch, fan speed
4. Evaporator housing, lower
5. Drain hose
6. Pipe at the rear expansion valve - engine compartment
7. Cable harness

Engine compartment

Location of Climate Control System Components (Engine Compartment):

1. Compressor
2. Compressor - condenser hoses and pipes
3. Condenser
4. Hoses and pipes at the junction point of the side member - compressor
5. Pipe at the expansion valve - junction point side member
6. Expansion valve
7. Pipe, receiver - expansion valve
8. Intermediate pipe between the receiver-member and the expansion valve
9. Accumulator
10. Service valve
11. Service valve filling / emptying
12. Pressure sensor.