Infiniti Q45. Manual - part 101

 

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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

20

°

C (68

°

F)

2.7 V

6.5 k

80

°

C (176

°

F)

0.9 V

0.9 k

ATF TEMP SE 2

0

°

C (32

°

F)

3.3 V

10 k

20

°

C (68

°

F)

2.5 V

4 k

80

°

C (176

°

F)

0.7 V

0.5 k

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

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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

 

 

 

 

 

 

 

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