Nissan Maxima. Manual - part 706

 

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Nissan Maxima. Manual - part 706

 

 

HA-50

< SERVICE DATA AND SPECIFICATIONS (SDS) 

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Compressor

INFOID:0000000009465959

Oil

INFOID:0000000009465960

Refrigerant

INFOID:0000000009465961

Model

VALEO

Type

DKS-17D

Displacement

175 cm

3

 (10.68 in

3

) / revolution

Cylinder bore 

× stroke

30.5 mm (1.201 in) x 24 mm (0.94 in)

Direction of rotation

Clockwise (viewed from drive end)

Drive belt

Poly V 7-grooves

Name

NISSAN A/C System Oil Type S or equivalent

Capacity

Total in system

150 m  (5.03 US fl oz, 5.03 lmp fl oz)

Compressor (service part) charging amount

Refer to 

HA-31, "Oil Adjusting Procedure for Compressor Re-

placement"

.

Type

HFC-134a (R-134a)

Capacity

0.55 

± 0.025 kg (1.21 ± 0.055 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

WITH COLOR DISPLAY

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

5

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

5

Operational Check  ....................................................

5

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

6

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

7

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

7

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

8

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

9

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

9

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

9

Fail-Safe ....................................................................

9

AUTOMATIC AIR CONDITIONER SYSTEM  .....

11

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

11

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

11

Air Conditioner LAN Control System .......................

13

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

16

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

16

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

16

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

18

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

18

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

18

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

20

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

20

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

20

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

22

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

22

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

22

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

24

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

24

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

24

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

25

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

25

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

26

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

26

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

30

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

30

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

30

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

30

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

30

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

31

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

31

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

31

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

31

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

32

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

32

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

32

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

33

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

34

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

35

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

35

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

35

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

36

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

37

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

38

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

38

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

38

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

38

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

39

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

41

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

41

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

41

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

42

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

43

HAC-2

B2632, B2633 AIR MIX DOOR MOTOR 
(DRIVER SIDE)  ..................................................

44

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

44

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

44

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

45

B2634, B2635 AIR MIX DOOR MOTOR (PAS-
SENGER SIDE) ..................................................

46

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

46

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

46

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

47

B2636, B2637, B2638, B2639, B2654, B2655 
MODE DOOR MOTOR  ......................................

48

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

48

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

48

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

49

B263D, B263E, B263F INTAKE DOOR MO-
TOR ....................................................................

51

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

51

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

51

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

52

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

53

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

53

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

53

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

53

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

57

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

57

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

57

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

57

POWER SUPPLY AND GROUND CIRCUIT  .....

60

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

60

A/C AUTO AMP. : Description  ................................

60

A/C AUTO AMP. : Component Function Check  .....

60

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

60

A/C AND AV SWITCH ASSEMBLY ..........................

61

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

61

A/C AND AV SWITCH ASSEMBLY : Diagnosis 
Procedure ..............................................................
.

62

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

63

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

63

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

63

Fail-Safe .................................................................

64

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

64

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

65

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

67

AIR CONDITIONER CONTROL  ........................

67

Wiring Diagram - With Color Display  ......................

67

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

80

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

80

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

80

Diagnostic Work Flow  .............................................

82

Performance Chart ..................................................

84

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

86

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

86

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

89

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

89

MEMORY FUNCTION DOES NOT OPERATE ...

91

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

91

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

92

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

92

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

92

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

92

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

92

Precautions For Refrigerant System Service ..........

93

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

96

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

98

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

98

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

98

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

98

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

98

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

100

CONTROL UNIT  ...............................................

100

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

100

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

101

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

101

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

102

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

102

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

103

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

103

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

104

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

104

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

105

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

105

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

106

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

106

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

107

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

107

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

107

MODE DOOR MOTOR : Removal and Installation .

107

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

107

HAC-3

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

AIR MIX DOOR MOTOR : Removal and Installa-
tion - Air Mix Door Motor (Driver Side)  ..................

107

AIR MIX DOOR MOTOR : Removal and Installa-
tion - Air Mix Door Motor (Passenger Side)  ..........

107

WITH MONOCHROME DISPLAY

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

108

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

108

Operational Check  ................................................

108

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

109

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

110

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

110

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

111

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

112

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

112

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

112

Fail-Safe ................................................................

112

AUTOMATIC AIR CONDITIONER SYSTEM  ...

114

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

114

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

114

Air Conditioner LAN Control System .....................

116

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

119

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

119

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

119

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

121

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

121

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

121

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

123

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

123

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

123

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

125

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

125

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

125

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

127

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

127

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

127

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

128

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

128

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

129

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

129

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

133

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

133

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

133

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

133

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

133

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

134

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

134

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

134

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

134

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

135

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

135

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

135

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

136

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

137

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

138

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

138

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

138

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

139

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

140

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

141

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

141

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

141

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

141

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

142

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

144

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

144

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

144

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

145

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

146

B2632, B2633 AIR MIX DOOR MOTOR 
(DRIVER SIDE)  ...............................................

147

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

147

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

147

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

148

B2634, B2635 AIR MIX DOOR MOTOR (PAS-
SENGER SIDE)  ...............................................

149

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

149

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

149

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

150

B2636, B2637, B2638, B2639, B2654, B2655 
MODE DOOR MOTOR ....................................

152

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

152

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

152

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

153

B263D, B263E, B263F INTAKE DOOR MO-
TOR .................................................................

155

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

155

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

155

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

156

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

157

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

157

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

157

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

157

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

161

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

161

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

161

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

161

A/C SWITCH ASSEMBLY SIGNAL CIRCUIT .

164

 

 

 

 

 

 

 

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