Nissan Quest E52. Instruction — part 702

CONSULT/GST CHECKING SYSTEM

GI-57

< BASIC INSPECTION >

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JRAWC0621GB

GI-58

< BASIC INSPECTION >

INSPECTION AND ADJUSTMENT

INSPECTION AND ADJUSTMENT

ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL

ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Re-
quired Procedure After Battery Disconnection

INFOID:0000000009803635

*1: Not equipped.

*2: With ACCS (Advanced climate control system)

SYSTEM

ITEM

REFERENCE

Automatic air conditioning
system

Temperature setting trimmer (Front)

HAC-82, "Temperature Setting

Trimmer (Front)"

Temperature setting trimmer (Rear)

HAC-83, "Temperature Setting

Trimmer (Rear)"

Foot position setting trimmer

HAC-84, "Foot Position Setting

Trimmer"

Inlet port memory function

HAC-84, "Inlet Port Memory Func-

tion"

Inlet port memory function (FRE)

*1

—

Inlet port memory function (REC)

*1

—

Exhaust gas / outside odor detecting gas sensor sensitivity ad-

justment function

*2

HAC-85, "Exhaust Gas/Outside

Odor Detecting Sensor Sensitivity

Adjustment Function"

Auto intake switch interlocking movement change

*2

HAC-85, "AUTO Intake Switch In-

terlocking Movement Change

Function"

Clean switch interlocking movement change

*1

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Automatic drive positioner

Automatic drive positioner system

ADP-46, "Description"

Power window control

Power window control system

FRONT WINDOW ANTI-
PINCH

PWC-92, "Description"

DRIVER SIDE WINDOW
ANTI-PINCH

PWC-32, "Description"

Sunroof system

Sunroof system

—

Sunshade system

Sunshade system

—

Rear view monitor

Rear view monitor predictive course line center position adjust-
ment

—

Around view monitor

Predictive course line center position adjustment

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Automatic sliding door sys-

tem

*1

Automatic sliding door system

DLK-168, "AUTOMATIC SLIDING

DOOR SYSTEM : Description"

Automatic back door system

*1

Automatic back door system

DLK-168, "AUTOMATIC BACK

DOOR SYSTEM : Description"

Engine oil level read

*1

Engine oil level read

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VENTILATION, HEATER & AIR CONDITIONER

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SECTION

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CONTENTS

HEATER & AIR CONDITIONING SYSTEM

PRECAUTION . . . . . . . . . . . ...

3

PRECAUTIONS . . . . . . . . . . . . ...

3

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . . ...

3

Precaution for Procedure without Cowl Top Cover

. ..

3

Precautions for Removing Battery Terminal . . .....

4

Precautions For Refrigerant System Service . . ....

4

Service Equipment . . . . . . . . . . . . ....

7

PREPARATION . . . . . . . . . . .

9

PREPARATION . . . . . . . . . . . . ...

9

Special Service Tool . . . . . . . . . . . .....

9

Commercial Service Tool . . . . . . . . . .

12

Sealant or/and Lubricant . . . . . . . . . . .

12

SYSTEM DESCRIPTION . . . . . . . .

13

COMPONENT PARTS . . . . . . . . . ...

13

Component Parts Location . . . . . . . . . ..

13

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

13

SYSTEM . . . . . . . . . . . . . . . .

14

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

14

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

14

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

16

DIAGNOSIS AND REPAIR WORKFLOW . . .

16

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

16

REFRIGERANT . . . . . . . . . . . . ..

18

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

18

Leak Test . . . . . . . . . . . . . . . .

18

Recycle Refrigerant . . . . . . . . . . . . .

20

Charge Refrigerant . . . . . . . . . . . . ..

20

LUBRICANT . . . . . . . . . . . . . ...

22

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

22

Inspection . . . . . . . . . . . . . . . .

22

Perform Lubricant Return Operation . . . . . ...

22

Lubricant Adjusting Procedure for Components
Replacement Except Compressor . . . . . . ...

22

Lubricant Adjusting Procedure for Compressor
Replacement . . . . . . . . . . . . . . ...

23

PERFORMANCE TEST . . . . . . . . .

25

Inspection . . . . . . . . . . . . . . . .

25

SYMPTOM DIAGNOSIS . . . . . . . ..

27

REFRIGERATION SYSTEM SYMPTOMS . .

27

Trouble Diagnosis For Unusual Pressure . . . .

27

Symptom Table . . . . . . . . . . . . . ...

27

NOISE . . . . . . . . . . . . . . . .

29

Symptom Table . . . . . . . . . . . . . ...

29

REMOVAL AND INSTALLATION . . . ...

30

COMPRESSOR . . . . . . . . . . . . .

30

Exploded View . . . . . . . . . . . . . . .

30

COMPRESSOR . . . . . . . . . . . . . . ..

30

COMPRESSOR : Removal and Installation . . .

31

MAGNET CLUTCH . . . . . . . . . . . . .

32

MAGNET CLUTCH : Removal and Installation of
Compressor Clutch . . . . . . . . . . . . ..

32

Inspection . . . . . . . . . . . . . . . .

32

COOLER PIPE AND HOSE . . . . . . . ..

34

Exploded View . . . . . . . . . . . . . . .

34

HIGH-PRESSURE FLEXIBLE HOSE . . . . . .

35

HIGH-PRESSURE FLEXIBLE HOSE : Removal
and Installation . . . . . . . . . . . . . .

35

LOW-PRESSURE FLEXIBLE HOSE . . . . . . .

36

LOW-PRESSURE FLEXIBLE HOSE : Removal
and Installation . . . . . . . . . . . . . .

36

HIGH-PRESSURE PIPE . . . . . . . . . . .

36

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HIGH-PRESSURE PIPE : Removal and Installa-
tion . . . . . . . . . . . . . . . . . . ..

36

COOLER PIPE ASSEMBLY . . . . . . . . . .

37

COOLER PIPE ASSEMBLY : Removal and Instal-
lation . . . . . . . . . . . . . . . . . ...

37

REAR COOLER PIPE 1 . . . . . . . . . . ....

40

REAR COOLER PIPE 1 : Removal and Installa-
tion . . . . . . . . . . . . . . . . . . ..

40

REAR COOLER PIPE 2 . . . . . . . . . . ....

42

REAR COOLER PIPE 2 : Removal and Installa-
tion . . . . . . . . . . . . . . . . . . ..

42

CONDENSER . . . . . . . . . . . . .

43

Exploded View . . . . . . . . . . . . . ....

43

CONDENSER . . . . . . . . . . . . . . ....

43

CONDENSER : Removal and Installation . . . ..

43

CONDENSER PIPE ASSEMBLY . . . . . . . ..

44

CONDENSER PIPE ASSEMBLY : Removal and
Installation . . . . . . . . . . . . . . . ..

44

LIQUID TANK . . . . . . . . . . . . . . ....

44

LIQUID TANK : Removal and Installation . . . ...

44

REFRIGERANT PRESSURE SENSOR . . . . ....

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REFRIGERANT PRESSURE SENSOR : Remov-
al and Installation . . . . . . . . . . . . ....

45

A/C UNIT ASSEMBLY . . . . . . . . . ...

47

Exploded View . . . . . . . . . . . . . ....

47

HEATER & COOLING UNIT ASSEMBLY . . . ....

49

HEATER & COOLING UNIT ASSEMBLY : Re-
moval and Installation . . . . . . . . . . . .

49

EVAPORATOR . . . . . . . . . . . . . . .

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EVAPORATOR : Removal and Installation . . ....

52

EVAPORATOR PIPE ASSEMBLY . . . . . . ...

53

EVAPORATOR PIPE ASSEMBLY : Removal and
Installation . . . . . . . . . . . . . . . ...

53

HEATER CORE . . . . . . . . . . . . . . .

54

HEATER CORE : Removal and Installation . . .

54

EXPANSION VALVE . . . . . . . . . . . . .

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EXPANSION VALVE : Removal and Installation .

55

REAR A/C UNIT . . . . . . . . . . . .

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Exploded View . . . . . . . . . . . . . .

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REAR A/C UNIT ASSEMBLY . . . . . . . . ...

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REAR A/C UNIT ASSEMBLY : Removal and In-
stallation . . . . . . . . . . . . . . . . ..

57

EVAPORATOR . . . . . . . . . . . . . . ..

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EVAPORATOR : Removal and Installation . . . .

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EVAPORATOR PIPE ASSEMBLY . . . . . . ...

59

EVAPORATOR PIPE ASSEMBLY : Removal and
Installation . . . . . . . . . . . . . . . ...

59

HEATER CORE . . . . . . . . . . . . . . .

59

HEATER CORE : Removal and Installation . . .

59

EXPANSION VALVE . . . . . . . . . . . . .

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EXPANSION VALVE : Removal and Installation .

60

SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . ..

61

SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . .

61

Compressor . . . . . . . . . . . . . . .

61

Lubricant . . . . . . . . . . . . . . . . .

61

Refrigerant . . . . . . . . . . . . . . . ..

61

Engine Idling Speed . . . . . . . . . . . .

61

Belt Tension . . . . . . . . . . . . . . .

61