Nissan Tiida C11. Instruction — part 834

SERVICE DATA AND SPECIFICATIONS (SDS)

HA-51

< SERVICE DATA AND SPECIFICATIONS (SDS)

C

D

E

F

G

H

J

K

L

M

A

B

HA

N

O

P

Oil

Refrigerant

Direction of rotation

Clockwise (viewed from drive end)

Drive belt

Poly-V Ribbed Belt (6-Groove)

Type

NISSAN A/C System Oil Type S

Capacity

m

(US fl oz, lmp fl oz)

Total in system

100 (3.4, 3.5)

Compressor (service part) charg-
ing amount

Refer to

HA-19, "Maintenance of Oil Quantity in Compressor"

.

Type

HFC-134a (R-134a)

Capacity
kg (lb)

0.45

±

0.05 (0.99

±

0.11)

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

MANUAL AIR CONDITIONER

BASIC INSPECTION . . . . . . . . .

5

DIAGNOSIS AND REPAIR WORKFLOW . . ..

5

How to Perform Trouble Diagnosis For Quick and
Accurate Repair . . . . . . . . . . . . . ....

5

INSPECTION AND ADJUSTMENT . . . . . .

6

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

6

FUNCTION DIAGNOSIS . . . . . . . ...

8

FUNCTION INFORMATION . . . . . . . .

8

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

8

REFRIGERATION SYSTEM . . . . . . . ..

10

Refrigerant Cycle . . . . . . . . . . . . .

10

Refrigerant System Protection . . . . . . . .

10

AIR CONDITIONER CONTROL . . . . . . .

11

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

11

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

11

Discharge Air Flow . . . . . . . . . . . . ..

11

Switches And Their Control Function . . . . . ..

12

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

13

CAN COMMUNICATION SYSTEM . . . . .

14

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

14

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

15

CONSULT-III Function (BCM) . . . . . . . . .

15

COMPONENT DIAGNOSIS . . . . . . .

16

MODE DOOR . . . . . . . . . . . . . .

16

Mode Door Diagnostic Procedure . . . . . . ...

16

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

17

Air Mix Door Diagnostic Procedure . . . . . . .

17

INTAKE DOOR . . . . . . . . . . . . ...

18

Intake Door Diagnostic Procedure . . . . . . ..

18

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

19

Front Blower Motor Component Function Check .

19

Front Blower Motor Diagnosis Procedure . . . .

19

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

23

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

23

Magnet Clutch Component Function Check . . .

23

Magnet Clutch Diagnosis Procedure . . . . . ...

24

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

30

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

30

Intake Sensor Diagnosis Procedure . . . . . .

30

Intake Sensor Component Inspection . . . . . .

31

PTC HEATER CONTROL SYSTEM . . . . .

33

PTC HEATER (300 WATT) . . . . . . . . . .

33

PTC HEATER (300 WATT) : PTC Heater System
Description . . . . . . . . . . . . . . . ...

33

PTC HEATER (300 WATT) : PTC Heater Compo-
nent Description . . . . . . . . . . . . . ...

34

PTC HEATER (300 WATT) : PTC Heater (300
Watt) Diagnosis Procedure . . . . . . . . . ..

35

PTC HEATER (300 WATT) : PTC Heater (300
Watt) Component Inspection . . . . . . . . ...

41

PTC HEATER (1500 WATT) . . . . . . . . . ..

43

PTC HEATER (1500 WATT) : System Description .

43

PTC HEATER (1500 WATT) : Component De-
scription . . . . . . . . . . . . . . . . ...

44

PTC HEATER (1500 WATT) : PTC Heater (1500
Watt) Diagnosis Procedure . . . . . . . . . ..

45

PTC HEATER (1500 WATT) : PTC Heater (1500
Watt) Component Inspection . . . . . . . . ...

50

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

53

AIR CONDITIONER CONTROL . . . . . .

53

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

53

Wiring Diagram - Heater Control (without A/C) - . .

54

Wiring Diagram - Air Conditioner Control - . . . ..

56

HAC-2

PTC HEATER CONTROL SYSTEM . . . . ..

63

PTC HEATER (300 WATT) . . . . . . . . . ...

63

PTC HEATER (300 WATT) : Wiring Diagram -
PTC Heater (300 Watt) - . . . . . . . . . . .

63

PTC HEATER (1500 WATT) . . . . . . . . . .

67

PTC HEATER (1500 WATT) : Wiring Diagram -
PTC Heater (1500 Watt) - . . . . . . . . . ...

68

SYMPTOM DIAGNOSIS . . . . . . . .

72

AIR CONDITIONER CONTROL . . . . . .

72

Symptom Matrix Chart . . . . . . . . . . ..

72

INSUFFICIENT COOLING . . . . . . . . .

73

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

73

Performance Test Diagnoses . . . . . . . . .

74

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

75

Test Reading . . . . . . . . . . . . . . ..

76

Trouble Diagnoses for Unusual Pressure . . . ...

77

INSUFFICIENT HEATING . . . . . . . . .

81

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

81

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

83

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

83

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

84

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

84

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

84

Precaution for Procedures Without Cowl Top Cov-
er . . . . . . . . . . . . . . . . . . ....

84

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

84

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

85

AUTO AIR CONDITIONER (W/O NAVI)

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

86

DIAGNOSIS AND REPAIR WORKFLOW . . .

86

How to Perform Trouble Diagnosis For Quick And
Accurate Repair . . . . . . . . . . . . . ..

86

INSPECTION AND ADJUSTMENT . . . . ...

87

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

87

FUNCTION DIAGNOSIS . . . . . . . .

89

FUNCTION INFORMATION . . . . . . . ..

89

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

89

REFRIGERATION SYSTEM . . . . . . . ..

91

Refrigerant Cycle . . . . . . . . . . . . ....

91

Refrigerant System Protection . . . . . . . ....

91

AUTOMATIC AIR CONDITIONER SYSTEM . .

92

Control System Diagram . . . . . . . . . ....

92

Control System Description . . . . . . . . ....

92

Discharge Air Flow . . . . . . . . . . . . .

94

Switches And Their Control Function . . . . . ..

95

CAN COMMUNICATION SYSTEM . . . . ...

96

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

96

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

97

CONSULT-III Function (BCM) . . . . . . . .

97

SELF-DIAGNOSIS FUNCTION . . . . . . .

98

Front Air Control Self-Diagnosis . . . . . . . .

98

A/C System Self-Diagnosis Code Chart . . . ...

104

COMPONENT DIAGNOSIS . . . . . ..

106

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

106

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

106

Mode Door Motor Component Function Check .

107

Mode Door Motor Diagnosis Procedure . . . .

109

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

110

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

110

Air Mix Door Motor Component Function Check ..

111

Air Mix Door Motor Diagnosis Procedure . . . ..

112

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

114

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

114

Intake Door Motor Component Function Check .

115

Intake Door Motor Diagnosis Procedure . . . ...

116

BLOWER MOTOR CONTROL SYSTEM . . .

118

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

118

Front Blower Motor Component Function Check ..

119

Front Blower Motor Diagnosis Procedure . . . .

120

Front Blower Motor Component Inspection . . ..

123

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

124

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

124

Magnet Clutch Component Function Check . . .

124

Magnet Clutch Diagnosis Procedure . . . . .

125

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

130

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

130

Ambient Sensor Diagnosis Procedure . . . . ..

130

Ambient Sensor Component Inspection . . . ...

131

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

133

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

133

In-Vehicle Sensor Diagnosis Procedure . . . ...

133

In-Vehicle Sensor Component Inspection . . . .

135

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

136

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

136

Sunload Sensor Diagnosis Procedure . . . . ..

136

Sunload Component Inspection . . . . . . .

137

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

139

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

139

Intake Sensor Diagnosis Procedure . . . . . .

139

Intake Sensor Component Inspection . . . . ...

140

PTC HEATER CONTROL SYSTEM . . . . .

142

HAC-3

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

PTC HEATER (300 WATT) . . . . . . . . . .

142

PTC HEATER (300 WATT) : PTC Heater System
Description . . . . . . . . . . . . . . .

142

PTC HEATER (300 WATT) : PTC Heater Compo-
nent Description . . . . . . . . . . . . .

143

PTC HEATER (300 WATT) : PTC Heater (300
Watt) Diagnosis Procedure . . . . . . . . ...

144

PTC HEATER (300 WATT) : PTC Heater (300
Watt) Component Inspection . . . . . . . . .

151

PTC HEATER (1500 WATT) . . . . . . . . ...

153

PTC HEATER (1500 WATT) : System Description

..

153

PTC HEATER (1500 WATT) : Component De-
scription . . . . . . . . . . . . . . . . .

154

PTC HEATER (1500 WATT) : PTC Heater (1500
Watt) Diagnosis Procedure . . . . . . . . ...

155

PTC HEATER (1500 WATT) : PTC Heater (1500
Watt) Component Inspection . . . . . . . . .

160

POWER SUPPLY AND GROUND CIRCUIT
FOR CONTROLLER . . . . . . . . . .

163

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

163

Front Air Control Component Function Check . ..

163

Front Air Control Power and Ground Diagnosis
Procedure . . . . . . . . . . . . . . . ..

163

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

165

AIR CONDITIONER CONTROL . . . . . ...

165

Front Air Control Terminals Reference Values . .

165

Wiring Diagram - Air Conditioner Control - . . .

167

PTC HEATER CONTROL SYSTEM . . . .

175

PTC HEATER (300 WATT) . . . . . . . . . .

175

PTC HEATER (300 WATT) : Wiring Diagram -
PTC Heater (300 Watt) - . . . . . . . . . ...

175

PTC HEATER (1500 WATT) . . . . . . . . ...

179

PTC HEATER (1500 WATT) : Wiring Diagram -
PTC Heater (1500 Watt) - . . . . . . . . . .

180

SYMPTOM DIAGNOSIS . . . . . . .

184

AIR CONDITIONER CONTROL . . . . . ...

184

Symptom Matrix Chart . . . . . . . . . . .

184

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

185

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

185

Performance Test Diagnoses . . . . . . . .

186

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

188

Test Reading . . . . . . . . . . . . . . .

189

Trouble Diagnoses for Unusual Pressure . . . .

189

INSUFFICIENT HEATING . . . . . . . .

193

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

193

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

195

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

195

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

197

Self-Diagnosis . . . . . . . . . . . . . ...

197

MEMORY FUNCTION DOES NOT OPERATE .

198

Memory Function Check . . . . . . . . . .

198

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

199

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

199

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

199

Precaution for Procedures Without Cowl Top Cov-
er . . . . . . . . . . . . . . . . . . ...

199

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

199

Precaution for Service Equipment . . . . . . .

200

AUTO AIR CONDITIONER (W/NAVI)

BASIC INSPECTION . . . . . . . . .

201

DIAGNOSIS AND REPAIR WORKFLOW . ..

201

How to Perform Trouble Diagnosis For Quick And
Accurate Repair . . . . . . . . . . . . . .

201

INSPECTION AND ADJUSTMENT . . . .

202

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

202

FUNCTION DIAGNOSIS . . . . . . .

204

FUNCTION INFORMATION . . . . . . .

204

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

204

REFRIGERATION SYSTEM . . . . . . ...

206

Refrigerant Cycle . . . . . . . . . . . . ...

206

Refrigerant System Protection . . . . . . . ...

206

AUTOMATIC AIR CONDITIONER SYSTEM ..

207

Control System Diagram . . . . . . . . . ...

207

Control System Description . . . . . . . . ...

207

Discharge Air Flow . . . . . . . . . . . .

208

Switches And Their Control Function . . . . .

209

CAN COMMUNICATION SYSTEM . . . . .

211

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

211

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

212

CONSULT-III Function (BCM) . . . . . . . ...

212

SELF-DIAGNOSIS FUNCTION . . . . . ...

213

Front Air Control Self-Diagnosis . . . . . . .

213

Front Air Control Self-Diagnosis Code Chart . . .

218

COMPONENT DIAGNOSIS . . . . . ...

219

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

219

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

219

Mode Door Motor Component Function Check . .

220

Mode Door Motor Diagnosis Procedure . . . .

222

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

224

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

224

Air Mix Door Motor Component Function Check ...

225

Air Mix Door Motor Diagnosis Procedure . . . ..

226