Nissan Qashqai (2007-2010). Manual — part 910

HA-210

< SERVICE DATA AND SPECIFICATIONS (SDS)

[MANUAL AIR CONDITIONER (K9K)]

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Compressor

INFOID:0000000001098312

Lubricant

INFOID:0000000001098313

Refrigerant

INFOID:0000000001098314

Engine Idling Speed

INFOID:0000000001098315

Refer to

EC-1483, "Idle Speed"

.

Belt Tension

INFOID:0000000001098316

Refer to

EM-259, "Inspection and Adjustment"

.

Model

DELPHI THERMAL HUNGARY make 5 CVC

Type

Variable displacement swash plate

Displacement

cm

3

(cu in)/rev

Max.

120 (7.32)

Cylinder bore

×

stroke (Max.)

mm (in.)

-

Direction of rotation

Clockwise (viewed from clutch)

Drive belt

Poly V

Disc to pulley clearance

Standard

-

Model

DELPHI THERMAL HUNGARY make 5 CVC

Name

Nissan A/C System Oil Type S (DH-PS)

Capacity

m

(US fl oz, lmp fl oz)

Total in system

150 (5.03, 5.3)

Compressor (Service part) charging
amount

150 (5.03, 5.3)

Type

HFC-134a (R-134a)

Capacity
kg (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

BASIC INSPECTION . . . . . . . . .

5

DIAGNOSIS AND REPAIR WORKFLOW . . ..

5

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

5

INSPECTION AND ADJUSTMENT . . . . . .

6

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

6

FUNCTION DIAGNOSIS . . . . . . . ..

10

COMPRESSOR CONTROL FUNCTION . . .

10

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

10

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

10

Component’s role . . . . . . . . . . . . .

13

AUTOMATIC AIR CONDITIONER SYSTEM . .

15

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

15

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

15

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

21

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

24

CAN COMMUNICATION SYSTEM . . . . .

26

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

26

DIAGNOSIS SYSTEM (AUTO AMP.) . . . .

27

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

27

CONSULT-III Function . . . . . . . . . . .

31

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

33

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

33

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

33

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

33

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

33

PTC HEATER . . . . . . . . . . . . . . .

34

PTC HEATER : CONSULT-III Function (BCM -
PTC HEATER) . . . . . . . . . . . . . .

34

MODE DOOR CONTROL SYSTEM . . . . ..

35

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

35

HIGH-LEVEL VENTILATOR DOOR CON-
TROL SYSTEM . . . . . . . . . . . . .

37

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

37

AIR MIX DOOR CONTROL SYSTEM . . . ...

39

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

39

INTAKE DOOR CONTROL SYSTEM . . . ...

41

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

41

BLOWER MOTOR CONTROL SYSTEM . . ..

43

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

43

MAGNET CLUTCH CONTROL SYSTEM . . .

45

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

45

PTC HEATER CONTROL SYSTEM . . . . .

46

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

46

COMPONENT DIAGNOSIS . . . . . . .

47

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

47

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

47

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

47

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

47

HIGH-LEVEL VENTILATOR DOOR MOTOR ...

50

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

50

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

50

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

50

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

52

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

54

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

54

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

54

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

54

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

59

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

59

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

59

HAC-2

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

59

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

62

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

62

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

62

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

62

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

65

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

66

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

66

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

66

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

66

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

70

PTC HEATER . . . . . . . . . . . . .

71

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

71

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

71

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

71

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

76

OAT SENSOR . . . . . . . . . . . . .

77

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

77

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

77

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

77

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

78

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

80

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

80

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

80

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

81

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

82

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

83

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

83

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

83

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

83

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

84

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

86

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

86

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

86

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

86

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

87

POWER SUPPLY AND GROUND CIRCUIT
FOR AUTO AMP. . . . . . . . . . . . ...

89

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

89

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

89

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

89

ECU DIAGNOSIS . . . . . . . . . .

91

ECM . . . . . . . . . . . . . . . . ...

91

HR16DE . . . . . . . . . . . . . . . . . .

91

HR16DE : Reference Value . . . . . . . . ....

91

MR20DE . . . . . . . . . . . . . . . . ....

91

MR20DE : Reference Value . . . . . . . . ...

92

K9K . . . . . . . . . . . . . . . . . . ....

92

K9K : Reference Value . . . . . . . . . . ...

92

BCM (BODY CONTROL MODULE) . . . . ..

94

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

94

AUTO AMP. . . . . . . . . . . . . . ...

97

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

97

Wiring Diagram — AIR CONDITIONER CON-
TROL SYSTEM — . . . . . . . . . . . .

100

SYMPTOM DIAGNOSIS . . . . . . ...

108

AIR CONDITIONER CONTROL . . . . . ...

108

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

108

INSUFFICIENT COOLING . . . . . . . .

109

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

109

Inspection procedure . . . . . . . . . . .

109

INSUFFICIENT HEATING . . . . . . . .

111

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

111

Inspection procedure . . . . . . . . . . .

111

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

113

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

113

Inspection procedure . . . . . . . . . . .

113

SELF-DIAGNOSIS CANNOT BE PER-
FORMED . . . . . . . . . . . . . . ...

115

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

115

Inspection procedure . . . . . . . . . . .

115

MEMORY FUNCTION DOES NOT OPERATE ..

116

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

116

Inspection procedure . . . . . . . . . . .

116

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

117

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

117

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

117

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . .

117

Precaution for Procedure without Cowl Top Cover .

117

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

118

General Refrigerant Precaution . . . . . . .

118

Refrigerant Connection . . . . . . . . . . .

118

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

121

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

123

General Precautions . . . . . . . . . . . .

123

FLUORESCENT LEAK DETECTOR . . . .

124

General Precautions . . . . . . . . . . . .

124

MANUAL AIR CONDITIONER

BASIC INSPECTION . . . . . . . . .

125

DIAGNOSIS AND REPAIR WORKFLOW . .

125

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

125

INSPECTION AND ADJUSTMENT . . . . ..

126

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

126

HAC-3

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

FUNCTION DIAGNOSIS . . . . . . .

128

COMPRESSOR CONTROL FUNCTION . . ..

128

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

128

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

128

Component’s role . . . . . . . . . . . . ..

131

MANUAL AIR CONDITIONER SYSTEM . . .

133

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

133

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

135

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

138

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

140

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

140

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

140

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

140

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

140

PTC HEATER . . . . . . . . . . . . . . ..

141

PTC HEATER : CONSULT-III Function (BCM -
PTC HEATER) . . . . . . . . . . . . . ..

141

HIGH-LEVEL VENTILATOR DOOR CON-
TROL SYSTEM . . . . . . . . . . . .

142

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

142

INTAKE DOOR CONTROL SYSTEM . . . ..

143

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

143

BLOWER MOTOR CONTROL SYSTEM . . .

144

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

144

MAGNET CLUTCH CONTROL SYSTEM . .

145

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

145

PTC HEATER CONTROL SYSTEM . . . .

146

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

146

COMPONENT DIAGNOSIS . . . . . ...

147

HIGH-LEVEL VENTILATOR DOOR MOTOR ..

147

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

147

Component Function Check . . . . . . . .

147

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

147

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

149

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

150

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

150

Component Function Check . . . . . . . .

150

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

150

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

153

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

153

Component Function Check . . . . . . . .

153

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

153

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

155

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

157

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

157

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

157

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

157

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

161

PTC HEATER . . . . . . . . . . . . ..

162

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

162

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

162

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

162

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

167

POWER SUPPLY AND GROUND CIRCUIT
FOR HEATER CONTROL PANEL . . . . .

169

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

169

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

169

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

169

MANUAL AIR CONDITIONER SYSTEM . .

171

Wiring Diagram — AIR CONDITIONER CON-
TROL SYSTEM — . . . . . . . . . . . . .

171

ECU DIAGNOSIS . . . . . . . . . ...

181

ECM . . . . . . . . . . . . . . . . .

181

HR16DE . . . . . . . . . . . . . . . . ...

181

HR16DE : Reference Value . . . . . . . . ...

181

MR20DE . . . . . . . . . . . . . . . . ...

181

MR20DE : Reference Value . . . . . . . . ..

182

K9K . . . . . . . . . . . . . . . . . . ..

182

K9K : Reference Value . . . . . . . . . . ..

182

BCM (BODY CONTROL MODULE) . . . ...

184

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

184

SYMPTOM DIAGNOSIS . . . . . . .

187

AIR CONDITIONER CONTROL . . . . . ..

187

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

187

INSUFFICIENT COOLING . . . . . . . ..

188

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

188

Inspection procedure . . . . . . . . . . . .

188

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

189

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

189

Inspection procedure . . . . . . . . . . . .

189

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

191

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

191

Inspection procedure . . . . . . . . . . . .

191

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

193

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

193

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

193

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .

193

Precaution for Procedure without Cowl Top Cover

..

193

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

194