Nissan Sentra. Manual - part 538

 

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Nissan Sentra. Manual - part 538

 

 

HA-46

< SERVICE DATA AND SPECIFICATIONS (SDS) 

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Service Data and Specification (SDS)

INFOID:0000000009756322

COMPRESSOR

OIL

REFRIGERANT

Model

SANDEN

Type

PXC14 (swashplate)

Displacement

137.2 cm

3

 (8.37 in

3

) / revolution

Direction of rotation

Clockwise 

Drive belt

Poly V 6-grooves

Name

Genuine NISSAN A/C System Oil Type DH-PS or equivalent

Capacity

Total in system

90 m   (3.0 US fl oz, 3.2 lmp fl oz)

Compressor (service part) charging amount

Refer to 

HA-26, "Oil Adjusting Procedure for Compressor Re-

placement"

.

Type

HFC-134a (R-134a)

Capacity

0.45 

± 0.05 kg (0.992 ± 0.110 lb)

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

AUTOMATIC AIR CONDITIONER

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

5

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

5

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

5

Precaution for Work  ..................................................

5

Working with HFC-134a (R-134a) .............................

5

Precaution for Service Equipment .............................

6

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

8

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

8

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

8

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

8

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

9

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

9

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

9

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

10

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

12

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

12

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

12

Air Flow Control .......................................................

13

Air Inlet Control  .......................................................

14

Air Outlet Control .....................................................

15

Compressor Control  ................................................

15

Door Control ............................................................

15

Temperature Control  ...............................................

20

Fail-safe ..................................................................

20

OPERATION .......................................................

21

Switch Name and Function  .....................................

21

DIAGNOSIS SYSTEM (A/C AUTO AMP.)  .........

24

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

24

CONSULT Function (HVAC) ...................................

24

DIAGNOSIS SYSTEM (BCM)  ...........................

28

COMMON ITEM  .........................................................

28

COMMON ITEM : CONSULT Function (BCM - 
COMMON ITEM)  .....................................................

28

AIR CONDITIONER  ...................................................

29

AIR CONDITIONER : CONSULT Function (BCM - 
AIR CONDITIONER)  ...............................................

29

DIAGNOSIS SYSTEM (IPDM E/R)  ...................

30

Diagnosis Description ..............................................

30

CONSULT Function (IPDM E/R)  .............................

31

ECU DIAGNOSIS INFORMATION ..............

34

A/C AUTO AMP.  ...............................................

34

Reference Value ......................................................

34

DTC Inspection Priority Chart ...............................

37

DTC Index  ...............................................................

38

ECM, IPDM E/R, BCM .......................................

40

List of ECU Reference .............................................

40

WIRING DIAGRAM ......................................

41

AUTOMATIC AIR CONDITIONING SYSTEM ...

41

Wiring Diagram ........................................................

41

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

51

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

51

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

51

OPERATION INSPECTION  ..............................

53

Work Procedure .......................................................

53

SYSTEM SETTING ...........................................

55

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

55

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

55

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

56

Target Evaporator Temp Upper Limit  ......................

56

HAC-2

DOOR MOTOR STARTING POSITION RE-
SET ....................................................................

57

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

57

Work Procedure ......................................................

57

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

58

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

58

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

58

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

58

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

58

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

59

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

59

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

59

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

59

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

60

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

60

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

60

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

61

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

63

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

63

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

63

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

64

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

66

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

66

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

66

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

67

B2630, B2631 SUNLOAD SENSOR  .................

69

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

69

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

69

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

70

B27A2, B27A3, B27A4, B27A5 AIR MIX 
DOOR MOTOR (DRIVER SIDE) ........................

72

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

72

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

72

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

73

B27AA, B27AB, B27AC, B27AD AIR MIX 
DOOR MOTOR (PASSENGER SIDE) ...............

74

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

74

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

74

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

75

B27A6, B27A7, B27A8, B27A9 MODE DOOR 
MOTOR ..............................................................

77

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

77

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

77

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

78

B27A0, B27A1 INTAKE DOOR MOTOR  ..........

79

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

79

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

79

Component Inspection (PBR) .................................

81

Component Inspection (Motor)  ...............................

82

POWER SUPPLY AND GROUND CIRCUIT .....

83

A/C AUTO AMP. ........................................................

83

A/C AUTO AMP. : Diagnosis Procedure .................

83

A/C SWITCH ASSEMBLY .........................................

83

A/C SWITCH ASSEMBLY : Component Function 
Check ......................................................................

83

A/C SWITCH ASSEMBLY : Diagnosis Procedure ...

84

A/C SWITCH ASSEMBLY SIGNAL CIRCUIT ...

85

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

85

A/C ON SIGNAL  ................................................

86

Component Function Check  ...................................

86

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

86

BLOWER FAN ON SIGNAL ..............................

88

Component Function Check  ...................................

88

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

88

BLOWER MOTOR .............................................

90

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

90

Component Inspection (Blower Motor)  ...................

92

Component Inspection (Blower Motor Relay)  .........

93

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

94

Component Function Check  ...................................

94

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

94

ECV (ELECTRICAL CONTROL VALVE) ..........

95

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

95

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

96

SYMPTOM DIAGNOSIS  ............................

97

HEATER AND AIR CONDITIONING SYSTEM 
CONTROL SYMPTOMS ....................................

97

Diagnosis Chart By Symptom  .................................

97

INSUFFICIENT COOLING .................................

99

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

99

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

99

INSUFFICIENT HEATING  ................................

101

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

101

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

101

COMPRESSOR DOES NOT OPERATE  ..........

102

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

102

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

102

REMOVAL AND INSTALLATION .............

104

A/C SWITCH ASSEMBLY ................................

104

Removal and Installation .......................................

104

A/C AUTO AMP. ...............................................

105

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

105

Removal and Installation .......................................

105

AMBIENT SENSOR ..........................................

106

Removal and Installation .......................................

106

HAC-3

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

IN-VEHICLE SENSOR  .....................................

107

Removal and Installation .......................................

107

SUNLOAD SENSOR  ........................................

108

Removal and Installation .......................................

108

INTAKE SENSOR  ............................................

109

Removal and Installation .......................................

109

REFRIGERANT PRESSURE SENSOR  ...........

110

Removal and Installation .......................................

110

DOOR MOTOR .................................................

111

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

111

INTAKE DOOR MOTOR ..........................................

112

INTAKE DOOR MOTOR : Removal and Installa-
tion ........................................................................

112

MODE DOOR MOTOR  ............................................

112

MODE DOOR MOTOR : Removal and Installation ..

112

AIR MIX DOOR MOTOR  .........................................

112

AIR MIX DOOR MOTOR : Removal and Installa-
tion - Air Mix Door Motor RH  .................................

112

AIR MIX DOOR MOTOR : Removal and Installa-
tion - Air Mix Door Motor LH ..................................

112

POWER TRANSISTOR  ....................................

113

Removal and Installation .......................................

113

MANUAL AIR CONDITIONER

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

114

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

114

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

114

Precaution for Work  ..............................................

114

Working with HFC-134a (R-134a) .........................

114

Precaution for Service Equipment .........................

115

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

117

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

117

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

117

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

117

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

118

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

118

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

118

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

119

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

121

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

121

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

121

Air Flow Control .....................................................

122

Air Inlet Control  .....................................................

122

Air Outlet Control ...................................................

122

Compressor Control  ..............................................

122

Door Control ..........................................................

123

Temperature Control  .............................................

126

OPERATION ...................................................

127

Switch Name and Function ....................................

127

DIAGNOSIS SYSTEM (BCM) (WITH INTELLI-
GENT KEY SYSTEM) .....................................

129

COMMON ITEM  .......................................................

129

COMMON ITEM : CONSULT Function (BCM - 
COMMON ITEM)  ...................................................

129

AIR CONDITIONER  .................................................

130

AIR CONDITIONER : CONSULT Function (BCM - 
AIR CONDITIONER)  .............................................

130

DIAGNOSIS SYSTEM (BCM) (WITHOUT IN-
TELLIGENT KEY SYSTEM)  ...........................

131

COMMON ITEM  .......................................................

131

COMMON ITEM : CONSULT Function (BCM - 
COMMON ITEM)  ...................................................

131

AIR CONDITIONER  .................................................

132

AIR CONDITIONER : CONSULT Function (BCM - 
AIR CONDITIONER)  .............................................

132

DIAGNOSIS SYSTEM (IPDM E/R) (WITH IN-
TELLIGENT KEY SYSTEM)  ...........................

133

Diagnosis Description ............................................

133

CONSULT Function (IPDM E/R)  ...........................

134

DIAGNOSIS SYSTEM (IPDM E/R) (WITHOUT 
INTELLIGENT KEY SYSTEM) ........................

137

Diagnosis Description ............................................

137

CONSULT Function (IPDM E/R)  ...........................

138

ECU DIAGNOSIS INFORMATION ............

141

A/C AUTO AMP.  .............................................

141

Reference Value ....................................................

141

ECM, IPDM E/R, BCM .....................................

144

List of ECU Reference ...........................................

144

WIRING DIAGRAM ....................................

145

MANUAL AIR CONDITIONING SYSTEM .......

145

Wiring Diagram ......................................................

145

MANUAL HEATER SYSTEM ..........................

152

Wiring Diagram ......................................................

152

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

156

DIAGNOSIS AND REPAIR WORKFLOW  ......

156

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

156

OPERATION INSPECTION  ............................

157

Work Procedure .....................................................

157

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

159

 

 

 

 

 

 

 

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