Infiniti Q45. Manual — part 101

SERVICE DATA AND SPECIFICATIONS (SDS)

AT-317

D

E

F

G

H

I

J

K

L

M

A

B

AT

SERVICE DATA AND SPECIFICATIONS (SDS)

PFP:00030

General Specifications

NCS0011R

*1: Refer to

MA-10, "Fluids and Lubricants"

.

Vehicle Speed at Which Gear Shifting Occurs

NCS0011S

●

At half throttle, the accelerator opening is 4/8 of the full opening.

Vehicle Speed at Which Lock-up Occurs/Releases

NCS0011T

●

At closed throttle, the accelerator opening is less than 1/8.

●

At half throttle, the accelerator opening is 4/8 of the full opening.

Stall Speed

NCS0011V

Line Pressure

NCS0011W

Applied model

VK45DE engine

Automatic transmission model

RE5R05A

Transmission model code number

95X1A

Stall torque ratio

1.85 : 1

Transmission gear ratio

1st

3.827

2nd

2.368

3rd

1.519

4th

1.000

5th

0.834

Reverse

2.613

Recommended fluid

Genuine NISSAN Matic J ATF*1

Fluid capacity

10.3 liter (10-7/8 US qt, 9-1/8 Imp qt)

CAUTION:

●

Use only Genuine NISSAN Matic J ATF. Do not mix with other fluid.

●

Using A/T fluid other than Genuine NISSAN Matic J ATF will deteriorate in driveability and automatic transmission durabil-
ity, and may damage the automatic transmission, which is not covered by the warranty.

Throttle position

Vehicle speed km/h (MPH)

D

1

→

D

2

D

2

→

D

3

D

3

→

D

4

D

4

→

D

5

D

5

→

D

4

D

4

→

D

3

D

3

→

D

2

D

2

→

D

1

Full throttle

65 - 69

(40 - 43)

104 - 112

(65 - 70)

163 - 173

(101 - 108)

242 - 252

(150 - 157)

238 - 248

(148 - 154)

152 - 162

(94 - 101)

89 - 97

(55 - 60)

43 - 47

(27 - 29)

Half throttle

49 - 53

(30 - 33)

79 - 85

(49 - 53)

112 - 120

(70 - 75)

153 - 161

(95 - 100)

119 - 127

(74 - 79)

74 - 82

(46 - 51)

52 - 58

(32 - 36)

9 - 13

(6 - 8)

Throttle position

Vehicle speed km/h (MPH)

Lock-up ON

Lock-up OFF

Closed throttle

62 - 70 (39 - 44)

59 - 67 (37 - 42)

Half throttle

243 - 251 (151 - 156)

151 - 159 (94 - 99)

Stall speed

2,300 - 2,600 rpm

Engine speed

Line pressure

kPa (kg/cm

2

, psi)

“R” position

“D”, “M” positions

At idle speed

425 - 465 (4.3 - 4.7, 62 - 67)

379 - 428 (3.9 - 4.4, 55 - 62)

At stall speed

1,605 - 1,950 (16.4 - 19.9, 233 - 283)

1,310 - 1,500 (13.4 - 15.3, 190 - 218)

AT-318

SERVICE DATA AND SPECIFICATIONS (SDS)

A/T Fluid Temperature Sensor

NCS0011X

Turbine Revolution Sensor

NCS0011Y

Vehicle Speed Sensor A/T (Revolution Sensor)

NCS0011Z

Reverse Brake

NCS00120

Total End Play

NCS00121

Name

Condition

CONSULT-II “DATA MONITOR” (Approx.)

Resistance (Approx.)

ATF TEMP SE 1

0

°

C (32

°

F)

3.3 V

15 k

Ω

20

°

C (68

°

F)

2.7 V

6.5 k

Ω

80

°

C (176

°

F)

0.9 V

0.9 k

Ω

ATF TEMP SE 2

0

°

C (32

°

F)

3.3 V

10 k

Ω

20

°

C (68

°

F)

2.5 V

4 k

Ω

80

°

C (176

°

F)

0.7 V

0.5 k

Ω

Name

Condition

Data (Approx.)

Turbine revolution
sensor 1

When running at 50 km/h (31 MPH) in 4th gear with the closed throttle position switch
OFF.

1.3 kHz

Turbine revolution
sensor 2

When running at 20 km/h (12 MPH) in 1st gear with the closed throttle position switch
OFF.

Name

Condition

Data (Approx.)

Revolution sensor

When running at 20 km/h (12 MPH).

185 Hz

Model code number

95X1A

Number of drive plates

6

Number of driven plates

6

Clearance mm (in)

Standard

0.7 - 1.1 (0.028 - 0.043)

Total end play

mm (in)

0.25 - 0.55 (0.0098 - 0.0217)

ATC-1

AUTOMATIC AIR CONDITIONER

J AIR CONDITIONER

CONTENTS

C

D

E

F

G

H

I

K

L

M

SECTION

ATC

A

B

ATC

AUTOMATIC AIR CONDITIONER

PRECAUTIONS . . . . . . . . . . . . . . .. 5

Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” . . . . . . . . . . . . . . . . .. 5
Precautions for Working with HFC-134a (R-134a)

. . 5

CONTAMINATED REFRIGERANT . . . . . ... 6

General Refrigerant Precautions . . . . . . . .. 6
Precautions for Refrigerant Connection . . . . ... 6

FEATURES OF NEW TYPE REFRIGERANT
CONNECTION . . . . . . . . . . . . . .. 6
O-RING AND REFRIGERANT CONNECTION . . 7

Precautions for Servicing Compressor . . . . . . 9
Precautions for Service Equipment . . . . . . .. 9

RECOVERY/RECYCLING EQUIPMENT . . . .. 9
ELECTRONIC LEAK DETECTOR . . . . . . 9
VACUUM PUMP . . . . . . . . . . . . . 10
MANIFOLD GAUGE SET . . . . . . . . . 10
SERVICE HOSES . . . . . . . . . . . ... 10
SERVICE COUPLERS . . . . . . . . . . .11
REFRIGERANT WEIGHT SCALE . . . . . ...11
CHARGING CYLINDER . . . . . . . . . ...11

Precautions for Leak Detection Dye . . . . . ... 12

IDENTIFICATION . . . . . . . . . . . . 12
IDENTIFICATION LABEL FOR VEHICLE . . ... 12

PREPARATION . . . . . . . . . . . . . . . 13

Special Service Tools . . . . . . . . . . . . 13
HFC-134a (R-134a) Service Tools and Equipment

... 14

Commercial Service Tools . . . . . . . . . .. 16

REFRIGERATION SYSTEM . . . . . . . . . . 17

Refrigerant Cycle . . . . . . . . . . . . ... 17

REFRIGERANT FLOW . . . . . . . . . ... 17
FREEZE PROTECTION . . . . . . . . . . 17

Refrigerant System Protection . . . . . . . ... 17

REFRIGERANT PRESSURE SENSOR . . . . 17
PRESSURE RELIEF VALVE . . . . . . . ... 17

V-6 Variable Displacement Compressor . . . . . 18

GENERAL INFORMATION . . . . . . . . . 18
DESCRIPTION . . . . . . . . . . . . . 19

Component Layout . . . . . . . . . . . . . 22

LUBRICANT . . . . . . . . . . . . . . . .. 23

Maintenance of Lubricant Quantity in Compressor ... 23

LUBRICANT . . . . . . . . . . . . . . 23
LUBRICANT RETURN OPERATION . . . . .. 23
LUBRICANT ADJUSTING PROCEDURE FOR
COMPONENTS REPLACEMENT EXCEPT
COMPRESSOR . . . . . . . . . . . . .. 24
LUBRICANT ADJUSTING PROCEDURE FOR
COMPRESSOR REPLACEMENT . . . . . ... 24

AIR CONDITIONER CONTROL . . . . . . . ... 26

Description of Air Conditioner LAN Control System ... 26
System Construction . . . . . . . . . . . .. 26

OPERATION . . . . . . . . . . . . . . 27
TRANSMISSION DATA AND TRANSMISSION
ORDER . . . . . . . . . . . . . . . ... 27
AIR MIX DOOR CONTROL (AUTOMATIC TEM-
PERATURE CONTROL) . . . . . . . . . . 28
FAN SPEED CONTROL . . . . . . . . . .. 28
INTAKE DOOR CONTROL . . . . . . . . . 28
MODE DOOR CONTROL . . . . . . . . ... 28
MAGNET CLUTCH CONTROL . . . . . . ... 29
SELF-DIAGNOSIS SYSTEM . . . . . . . .. 29

Description of Control System . . . . . . . . 30
Control Operation . . . . . . . . . . . . ... 31

DISPLAY SCREEN . . . . . . . . . . . .. 31
AUTO SWITCH (DRIVER SIDE) . . . . . . . 31
AUTO SWITCH (PASSENGER SIDE) . . . . 31
TEMPERATURE DIAL (POTENTIO TEMPERA-
TURE CONTROL) (DRIVER SIDE) . . . . . . 31
TEMPERATURE DIAL (POTENTIO TEMPERA-
TURE CONTROL) (PASSENGER SIDE) . . . 31
INTAKE SWITCH . . . . . . . . . . . . . 32
DEFROSTER (DEF) SWITCH . . . . . . . . 32
OFF SWITCH . . . . . . . . . . . . . .. 32
MODE SWITCH (DRIVER SIDE) . . . . . . 32
MODE SWITCH (PASSENGER SIDE) . . . . 32
ECON (ECONOMY) SWITCH . . . . . . . . 32
FAN SWITCH . . . . . . . . . . . . . .. 32
DUAL SWITCH . . . . . . . . . . . . . 32
REAR CONTROL SWITCH . . . . . . . . . 32

ATC-2

Fail-Safe Function . . . . . . . . . . . . .. 32
Discharge Air Flow . . . . . . . . . . . . . 33
System Description . . . . . . . . . . . . . 34

SWITCHES AND THEIR CONTROL FUNCTION ... 34

TROUBLE DIAGNOSIS . . . . . . . . . . . 35

How to Perform Trouble Diagnosis for Quick and
Accurate Repair . . . . . . . . . . . . . .. 35

WORK FLOW . . . . . . . . . . . . . .. 35
SYMPTOM TABLE . . . . . . . . . . . .. 35

Component Parts and Harness Connector Location ... 37

ENGINE COMPARTMENT . . . . . . . . .. 37
PASSENGER COMPARTMENT . . . . . . .. 38

Schematic . . . . . . . . . . . . . . . ... 39
Wiring Diagram — A/C — . . . . . . . . . ... 40
Auto Amp. Terminals and Reference Value . . . 50

PIN CONNECTOR TERMINAL LAYOUT . . . 50
TERMINALS AND REFERENCE VALUE FOR
AUTO AMP. . . . . . . . . . . . . . . . 50

Self-diagnosis Function . . . . . . . . . . .. 53

DESCRIPTION . . . . . . . . . . . . . 53
FUNCTION CONFIRMATION PROCEDURE . .. 54
AUXILIARY MECHANISM: TEMPERATURE
SETTING TRIMMER . . . . . . . . . . ... 61

Operational Check . . . . . . . . . . . . .. 62

CHECKING MEMORY FUNCTION . . . . . . 62
CHECKING BLOWER . . . . . . . . . . . 62
CHECKING DISCHARGE AIR . . . . . . . 62
CHECKING INTAKE AIR (INTAKE SWITCH) . .. 63
CHECKING TEMPERATURE DECREASE . . . 63
CHECKING TEMPERATURE INCREASE . . .. 63
CHECK ECON (ECONOMY) MODE . . . . ... 63
CHECKING AUTO MODE . . . . . . . . ... 63

Power Supply and Ground Circuit for Auto Amp. ... 64

INSPECTION FLOW . . . . . . . . . . ... 64
COMPONENT DESCRIPTION . . . . . . . 64
DIAGNOSIS PROCEDURE FOR A/C SYSTEM ... 65

LAN System Circuit . . . . . . . . . . . . 66

DIAGNOSIS PROCEDURE FOR LAN CIRCUIT ... 66

Mode Door Motor Circuit . . . . . . . . . . 70

INSPECTION FLOW . . . . . . . . . . ... 70
SYSTEM DESCRIPTION . . . . . . . . . 71
COMPONENT DESCRIPTION . . . . . . . 72
DIAGNOSIS PROCEDURE FOR MODE DOOR
MOTOR . . . . . . . . . . . . . . . ... 72

Air Mix Door Motor Circuit . . . . . . . . . .. 73

INSPECTION FLOW . . . . . . . . . . ... 73
SYSTEM DESCRIPTION . . . . . . . . . 74
COMPONENT DESCRIPTION . . . . . . . 75
DIAGNOSIS PROCEDURE FOR AIR MIX DOOR
MOTOR . . . . . . . . . . . . . . . ... 75

Air Mix Door Motor PBR Circuit . . . . . . . .. 75

DIAGNOSIS PROCEDURE FOR AIR MIX DOOR
MOTOR PBR . . . . . . . . . . . . . ... 75

Intake Door Motor Circuit . . . . . . . . . . 76

INSPECTION FLOW . . . . . . . . . . ... 76
SYSTEM DESCRIPTION . . . . . . . . . 77
COMPONENT DESCRIPTION . . . . . . . 78
DIAGNOSIS PROCEDURE FOR INTAKE DOOR
MOTOR . . . . . . . . . . . . . . . ... 78

Rear Ventilator Door Motor Circuit . . . . . . ..79

COMPONENT DESCRIPTION . . . . . . . 79
DIAGNOSIS PROCEDURE FOR REAR VENTI-
LATOR DOOR MOTOR . . . . . . . . . ...79

Rear Control Switch Circuit . . . . . . . . . .80

DIAGNOSIS PROCEDURE FOR REAR CON-
TROL SWITCH . . . . . . . . . . . . . 80

Rear Control Cancel Switch . . . . . . . . . 80

DIAGNOSIS PROCEDURE FOR REAR CON-
TROL CANCEL SWITCH . . . . . . . . . .80

Blower Motor Circuit . . . . . . . . . . . . 81

INSPECTION FLOW . . . . . . . . . . . 81
SYSTEM DESCRIPTION . . . . . . . . . .81
COMPONENT DESCRIPTION . . . . . . . 83
DIAGNOSIS PROCEDURE FOR BLOWER
MOTOR . . . . . . . . . . . . . . . . 83
COMPONENT INSPECTION . . . . . . . ...85

Magnet Clutch Circuit . . . . . . . . . . . ..86

INSPECTION FLOW . . . . . . . . . . . 86
SYSTEM DESCRIPTION . . . . . . . . . .87
DIAGNOSIS PROCEDURE FOR MAGNET
CLUTCH . . . . . . . . . . . . . . . ..87
COMPONENT INSPECTION . . . . . . . ...92

Insufficient Cooling . . . . . . . . . . . . ..93

INSPECTION FLOW . . . . . . . . . . . 93
PERFORMANCE TEST DIAGNOSIS . . . . ..95
PERFORMANCE CHART . . . . . . . . . 97
TROUBLE DIAGNOSIS FOR UNUSUAL PRES-
SURE . . . . . . . . . . . . . . . . ...98
DIAGNOSIS PROCEDURE FOR INSUFFI-
CIENT COOLING . . . . . . . . . . . ...100

Insufficient Heating . . . . . . . . . . . ...102

INSPECTION FLOW . . . . . . . . . . ..102

Noise . . . . . . . . . . . . . . . . . .103

INSPECTION FLOW . . . . . . . . . . ..103

Self-Diagnosis . . . . . . . . . . . . . ...104

INSPECTION FLOW . . . . . . . . . . ..104

Memory Function . . . . . . . . . . . . ..105

INSPECTION FLOW . . . . . . . . . . ..105

ECON (ECONOMY) MODE . . . . . . . . ..106

INSPECTION FLOW . . . . . . . . . . ..106

A/C Display is Malfunctioning . . . . . . . ...107

DIAGNOSIS PROCEDURE . . . . . . . ...107

A/C Operation is Malfunctioning . . . . . . ...108

DIAGNOSIS PROCEDURE . . . . . . . ...108

Ambient Sensor Circuit . . . . . . . . . . . 110

COMPONENT DESCRIPTION . . . . . . .. 110
AMBIENT TEMPERATURE INPUT PROCESS . 110
DIAGNOSIS PROCEDURE FOR AMBIENT
SENSOR . . . . . . . . . . . . . . . 110
COMPONENT INSPECTION . . . . . . . . 112

In-Vehicle Sensor Circuit . . . . . . . . . ... 112

COMPONENT DESCRIPTION . . . . . . .. 112
DIAGNOSIS PROCEDURE FOR IN-VEHICLE
SENSOR . . . . . . . . . . . . . . . 113
COMPONENT INSPECTION . . . . . . . . 114

Sunload Sensor Circuit . . . . . . . . . . . 115

COMPONENT DESCRIPTION . . . . . . .. 115
SUNLOAD INPUT PROCESS . . . . . . ... 115