Nissan Qashqai J11. Manual — part 1091

HA-190

< SERVICE DATA AND SPECIFICATIONS (SDS)

[TYPE 4]

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Compressor

INFOID:0000000010707911

Lubricant

INFOID:0000000010707912

Refrigerant

INFOID:0000000010707913

Engine Idling Speed

INFOID:0000000010707914

Refer to

ECK-405, "Idle Speed"

(K9K engine models) or

EC9-416, "Idle Speed"

(R9M engine models).

Belt Tension

INFOID:0000000010707915

Refer to

EM-499, "Drive Belt"

(K9K engine models) or

EM-635, "Drive Belts"

(R9M engine models).

Model

Denso make

6SBH14

Type

Swash plate

Displacement

cm

3

(cu in)/rev

Maximum

140 (8.6)

Direction of rotation

Clockwise (viewed from clutch)

Drive belt

Poly V

Disc to pulley clearance
mm (in)

Standard

0.21 – 0.55 (0.008 – 0.022)

Name

ND-OIL8

Capacity

m

(Imp fl oz)

Total in system

110 (3.9)

Compressor (service part) charging
amount

110 (3.9)

Type

HFC-134a (R-134a)

Capacity
kg (lb)

0.5 (1.1)

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 CONDITIONING

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

7

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

7

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

7

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

7

SYSTEM DESCRIPTION . . . . . . . ..

9

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

9

AUTOMATIC AIR CONDITIONING SYSTEM . . .....

9

AUTOMATIC AIR CONDITIONING SYSTEM :
Component Parts Location . . . . . . . . . ....

9

PTC HEATER CONTROL SYSTEM . . . . . . ..

10

PTC HEATER CONTROL SYSTEM : Component
Parts Location . . . . . . . . . . . . . . .

11

STOP/START SYSTEM . . . . . . . . . . . .

12

STOP/START SYSTEM : Component Parts Loca-
tion . . . . . . . . . . . . . . . . . . ..

13

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

14

A/C UNIT ASSEMBLY : Aspirator . . . . . . ...

14

A/C UNIT ASSEMBLY : Intake Sensor . . . . ...

14

A/C UNIT ASSEMBLY : Air Mix Door Motor (Driver
Side) . . . . . . . . . . . . . . . . . .

14

A/C UNIT ASSEMBLY : Air Mix Door Motor (Pas-
senger Side) . . . . . . . . . . . . . . .

15

A/C UNIT ASSEMBLY : Mode Door Motor . . . .

15

A/C UNIT ASSEMBLY : Intake Door Motor . . . .

16

A/C UNIT ASSEMBLY : Blower Motor . . . . .

17

A/C UNIT ASSEMBLY : Power Transistor . . . ..

17

A/C UNIT ASSEMBLY : PTC Heater . . . . . ..

17

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

18

COMPRESSOR : Magnet Clutch . . . . . . .

18

COMPRESSOR : ECV (Electrical Control Valve) .

18

A/C Control . . . . . . . . . . . . . . . ..

18

A/C Auto Amp. . . . . . . . . . . . . . . .

19

Ambient Sensor . . . . . . . . . . . . . ...

19

In-vehicle Sensor . . . . . . . . . . . . . .

19

Sunload Sensor . . . . . . . . . . . . . ...

19

Refrigerant Pressure Sensor . . . . . . . . ...

19

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

21

AUTOMATIC AIR CONDITIONING SYSTEM . . ...

21

AUTOMATIC AIR CONDITIONING SYSTEM :
System Description . . . . . . . . . . . . ..

21

AUTOMATIC AIR CONDITIONING SYSTEM :
Temperature Control . . . . . . . . . . . ...

22

AUTOMATIC AIR CONDITIONING SYSTEM : Air
Outlet Control . . . . . . . . . . . . . . ..

23

AUTOMATIC AIR CONDITIONING SYSTEM : Air
Flow Control . . . . . . . . . . . . . . .

23

AUTOMATIC AIR CONDITIONING SYSTEM : Air
Inlet Control . . . . . . . . . . . . . . . .

24

AUTOMATIC AIR CONDITIONING SYSTEM :
Compressor Control . . . . . . . . . . . .

24

AUTOMATIC AIR CONDITIONING SYSTEM :
Door Control . . . . . . . . . . . . . . .

25

AUTOMATIC AIR CONDITIONING SYSTEM :
Cooling Fan Control . . . . . . . . . . . . .

29

AUTOMATIC AIR CONDITIONING SYSTEM :
Door Motor Starting Position Reset Control . . .

30

AUTOMATIC AIR CONDITIONING SYSTEM :
Fail-safe . . . . . . . . . . . . . . . . ...

31

PTC HEATER CONTROL SYSTEM . . . . . . ..

31

PTC HEATER CONTROL SYSTEM : System De-
scription . . . . . . . . . . . . . . . . ...

31

STOP/START SYSTEM . . . . . . . . . . . .

31

STOP/START SYSTEM : System Description . .

32

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

34

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

34

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

42

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

42

HAC-2

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

42

DIAGNOSIS SYSTEM (A/C CONTROL) . . ...

45

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

45

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

46

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

46

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

46

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

47

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

47

ECU DIAGNOSIS INFORMATION . . . ..

48

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

48

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

48

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

53

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

53

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

55

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

55

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

56

AUTOMATIC AIR CONDITIONING SYSTEM ...

56

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

56

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

68

DIAGNOSIS AND REPAIR WORK FLOW . .

68

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

68

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

71

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

71

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

75

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

75

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

75

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

76

Setting of Target Evaporator Temperature Upper
Limit Value . . . . . . . . . . . . . . . ..

76

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

78

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

78

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

78

DTC/CIRCUIT DIAGNOSIS . . . . . . .

79

U1000 CAN COMM CIRCUIT . . . . . . .

79

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

79

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

79

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

79

B24A0 A/C AUTO AMP. . . . . . . . . .

80

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

80

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

80

B24A1 A/C AUTO AMP. POWER SUPPLY . ..

81

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

81

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

81

B24A4 INTAKE SENSOR . . . . . . . . .

82

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

82

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

82

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

84

B24A6 IN-VEHICLE SENSOR . . . . . . ..

85

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

85

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

85

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

87

B24A9 SUNLOAD SENSOR . . . . . . . .

88

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

88

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

88

B24B4 A/C CONTROL . . . . . . . . . ..

91

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

91

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

91

B24B7 INTAKE DOOR MOTOR . . . . . ...

92

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

92

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

92

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

94

B24B9 MODE DOOR MOTOR . . . . . . ..

95

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

95

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

95

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

97

B24BB LEFT AIR MIX DOOR MOTOR . . . .

98

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

98

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

98

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

100

B24BD RIGHT AIR MIX DOOR MOTOR . . .

101

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

101

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

101

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

103

B24D4 A/C CONTROL COMMUNICATION . .

104

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

104

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

104

POWER SUPPLY AND GROUND CIRCUIT .

106

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

106

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

106

A/C CONTROL . . . . . . . . . . . . . .

106

A/C CONTROL : Diagnosis Procedure . . . . .

106

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

108

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

108

Component Inspection (Blower Motor) . . . . .

110

Component Inspection (Blower Relay) . . . . .

111

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

112

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

112

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

112

ECV (ELECTRICAL CONTROL VALVE) . . .

114

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

114

HAC-3

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

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

114

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

116

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

116

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

116

Component Inspection (PTC Relay) . . . . . .

117

Component Inspection (PTC Heater) . . . . .

118

SYMPTOM DIAGNOSIS . . . . . . .

119

AUTOMATIC AIR CONDITIONER SYSTEM ...

119

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

119

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

121

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

121

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

121

INSUFFICIENT HEATING . . . . . . . .

123

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

123

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

123

COMPRESSOR DOES NOT OPERATE . . ..

125

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

125

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

125

REMOVAL AND INSTALLATION . . . .

126

A/C CONTROL . . . . . . . . . . . . .

126

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

126

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

126

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

127

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

127

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

128

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

128

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

129

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

129

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

130

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

130

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

131

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

131

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

131

REFRIGERANT PRESSURE SENSOR . . ...

132

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

132

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

132

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

133

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

133

POWER TRANSISTOR . . . . . . . . .

134

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

134

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

134

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

135

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

135

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

136

AIR MIX DOOR MOTOR : Removal and Installa-
tion . . . . . . . . . . . . . . . . . . .

136

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

137

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

137

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

138

MODE DOOR MOTOR : Removal and Installation ..

138

MANUAL AIR CONDITIONING

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

139

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

139

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

139

Precautions for Removing Battery Terminal . . ..

139

SYSTEM DESCRIPTION . . . . . . ...

141

COMPONENT PARTS . . . . . . . . .

141

MANUAL AIR CONDITIONING SYSTEM . . . ...

141

MANUAL AIR CONDITIONING SYSTEM : Com-
ponent Parts Location . . . . . . . . . . .

141

PTC HEATER CONTROL SYSTEM . . . . . .

142

PTC HEATER CONTROL SYSTEM : Component
Parts Location . . . . . . . . . . . . . .

143

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

144

A/C UNIT ASSEMBLY : Intake Sensor . . . . ..

144

A/C UNIT ASSEMBLY : Air Mix Door Motor . . ..

144

A/C UNIT ASSEMBLY : Mode Door Motor . . .

145

A/C UNIT ASSEMBLY : Intake Door Motor . . ...

145

A/C UNIT ASSEMBLY : Blower Motor . . . . ...

146

A/C UNIT ASSEMBLY : Fan Control Amp. . . .

146

A/C UNIT ASSEMBLY : PTC Heater . . . . . .

147

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

147

COMPRESSOR : Magnet Clutch . . . . . . ..

147

COMPRESSOR : ECV (Electrical Control Valve) ..

147

A/C Control (A/C Amp.) . . . . . . . . . . .

148

Ambient Sensor . . . . . . . . . . . . . .

148

Refrigerant Pressure Sensor . . . . . . . . .

148

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

149

MANUAL AIR CONDITIONING SYSTEM . . . ...

149

MANUAL AIR CONDITIONING SYSTEM : Sys-
tem Description . . . . . . . . . . . . . ..

149

MANUAL AIR CONDITIONING SYSTEM : Air In-
let Control . . . . . . . . . . . . . . . ..

150

MANUAL AIR CONDITIONING SYSTEM : Com-
pressor Control . . . . . . . . . . . . . ..

150

MANUAL AIR CONDITIONING SYSTEM : Door
Control . . . . . . . . . . . . . . . . ...

151

MANUAL AIR CONDITIONING SYSTEM : Cool-
ing Fan Control . . . . . . . . . . . . . ..

155

MANUAL AIR CONDITIONING SYSTEM : Door
Motor Starting Position Reset Control . . . . ...

156