Nissan Murano. Manual - part 806

HA-60

< REMOVAL AND INSTALLATION >

EXPANSION VALVE

EXPANSION VALVE

Exploded View

INFOID:0000000009718662

1.

Ventilator seal

2.

Upper ventilator seal

3.

Defroster seal

4.

Adapter case

5.

Center case

6.

Intake sensor bracket

7.

Intake sensor

8.

Upper ventilator door motor

9.

Upper ventilator door rod

10. Upper ventilator door lever

11.

Filter cover

12.

In-cabin microfilter

13. Foot duct 1 RH

14.

Foot duct 2 RH

15.

Air mix door motor (Passenger side)

16. Heater & cooling unit case cover

17.

Evaporator pipe assembly

18.

O-ring

19. Evaporator

20.

Expansion valve

21.

Case packing

22. Grommet

23.

Cooler pipe grommet

24.

Drain hose

25. Heater & cooling unit case RH

26.

Air mix door (Slide door)

27.

Heater pipe support

28. Heater pipe grommet

29.

Heater & cooling unit case LH

30.

Heater core 

31. Heater pipe cover

32.

Foot duct 2 LH

33.

Foot duct 1 LH

34. Heater duct

35.

Aspirator

36.

Aspirator hose

37. Mode door motor

38.

Main link

39.

Rod link

40. Max. cool door link

41.

Ventilator door link

42.

Foot door link

43. Mode door lever

44.

Defroster door link

45.

Ventilator door lever

46. Foot door lever

47.

Defroster door lever

48.

Max. cool door lever

JPIIA0454GB

EXPANSION VALVE

HA-61

< REMOVAL AND INSTALLATION >

C

D

E

F

G

H

J

K

L

M

A

B

HA

N

O

P

Removal and Installation

INFOID:0000000009718663

REMOVAL

1.

Use refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.

2.

Remove mounting bolt (A) and then disconnect low-pressure
pipe (1) and high-pressure pipe (2) from expansion valve. 

CAUTION:

Cap or wrap the joint of the A/C piping and expansion valve
with suitable material such as vinyl tape to avoid the entry
of air.

3.

Remove mounting bolts (A) and then remove expansion valve
(1). 

CAUTION:

Cap or wrap the joint of the A/C piping and expansion valve
with suitable material such as vinyl tape to avoid the entry
of air.

INSTALLATION

Note the following items and then install in the reverse order of removal.

CAUTION:

• Replace O-rings with new ones. Then apply compressor oil to them when installing. 
• Check for leakages when recharging refrigerant.

49.

Air mix door motor (Driver side)

50.

Distributor upper case

51. Distributor lower case

52.

Ventilator door

53.

Foot door

54. Max. cool door

55.

Defroster door

56.

Upper ventilator door

: Always replace after every disassembly.

: N·m (kg-m, in-lb)

JPIIA0561ZZ

JPIIA0549ZZ

HA-62

< SERVICE DATA AND SPECIFICATIONS (SDS) 

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Compressor

INFOID:0000000009718664

Lubricant

INFOID:0000000009718665

Refrigerant

INFOID:0000000009718666

Engine Idling Speed

INFOID:0000000009718667

Refer to 

EC-536, "Idle Speed"

.

Belt Tension

INFOID:0000000009718668

Refer to 

EM-146, "Drive Belt"

.

Model

VALEO THERMAL SYSTEMS JAPAN make 

DKS-17D

Type

Fixation displacement swash plate

Displacement

cm

3

 (cu in)/rev

Max.

175 (10.7)

Cylinder bore 

×

 stroke (Max.)

mm (in.)

30.5 (1.20) 

×

 24 (0.94)

Direction of rotation

Clockwise (viewed from clutch)

Drive belt

Poly V

Disc to pulley clearance
mm (in.)

Standard

0.3 - 0.6 (0.012 - 0.024)

Name

A/C System Oil Type S (DH-PS)

Capacity

m

 (US fl oz, lmp fl oz)

Total in system

150 (5.07, 5.3)

Compressor (service part) charging 
amount

150 (5.07, 5.3)

Type

HFC-134a (R-134a)

Capacity
kg (lb)

0.60 (1.32)

HAC-1

VENTILATION, HEATER & AIR CONDITIONER

C

D

E

F

G

H

J

K

L

M

SECTION 

HAC

A

B

HAC

N

O

P

CONTENTS

HEATER & AIR CONDITIONING CONTROL SYSTEM

WITHOUT 7 INCH DISPLAY

BASIC INSPECTION  ....................................

5

DIAGNOSIS AND REPAIR WORKFLOW  ..........

5

Work Flow  .................................................................

5

INSPECTION AND ADJUSTMENT .....................

8

Description & Inspection  ...........................................

8

Temperature Setting Trimmer  .................................

10

Foot Position Setting Trimmer .................................

10

Inlet Port Memory Function (FRE)  ..........................

11

Inlet Port Memory Function (REC)  ..........................

11

SYSTEM DESCRIPTION  .............................

12

COMPRESSOR CONTROL FUNCTION ............

12

Description ..............................................................

12

Component Part Location  .......................................

13

Component’s Role ...................................................

15

AUTOMATIC AIR CONDITIONER SYSTEM  .....

16

System Diagram ......................................................

16

System Description  .................................................

16

Component Part Location  .......................................

24

Component Description ...........................................

27

MODE DOOR CONTROL SYSTEM  ...................

28

System Diagram ......................................................

28

System Description  .................................................

28

UPPER VENTILATOR DOOR CONTROL 
SYSTEM .............................................................

30

System Diagram ......................................................

30

System Description  .................................................

30

AIR MIX DOOR CONTROL SYSTEM  ................

32

System Diagram ......................................................

32

System Description  .................................................

32

INTAKE DOOR CONTROL SYSTEM  ................

34

System Diagram ......................................................

34

System Description ..................................................

34

BLOWER MOTOR CONTROL SYSTEM  ..........

36

System Diagram  ......................................................

36

System Description ..................................................

36

MAGNET CLUTCH CONTROL SYSTEM  .........

38

System Diagram  ......................................................

38

System Description ..................................................

38

CAN COMMUNICATION SYSTEM  ...................

39

System Description ..................................................

39

DIAGNOSIS SYSTEM (HVAC)  .........................

40

CONSULT Function .................................................

40

DTC/CIRCUIT DIAGNOSIS  .........................

44

U1000 CAN COMM CIRCUIT  ...........................

44

Description ...............................................................

44

DTC Logic ................................................................

44

Diagnosis Procedure ..............................................

44

U1010 CONTROL UNIT (CAN) .........................

45

Description ...............................................................

45

DTC Logic ................................................................

45

Diagnosis Procedure  ...............................................

45

B257B, B257C AMBIENT SENSOR .................

46

Description ...............................................................

46

DTC Logic ................................................................

46

Diagnosis Procedure  ...............................................

47

Component Inspection .............................................

48

B2578, B2579 IN-VEHICLE SENSOR  ..............

49

Description ...............................................................

49

DTC Logic ................................................................

49

Diagnosis Procedure  ...............................................

50

Component Inspection .............................................

51

B2581, B2582 INTAKE SENSOR  .....................

52

Description ...............................................................

52

DTC Logic ................................................................

52