NISSAN TEANA 2003 Service Manual

SERVICE DATA AND SPECIFICATIONS (SDS)
AT-363
D
E
F
G
H
I
J
K
L
MA
B
AT

FOR VQ23DE ENGINE MODELS
NOTE:

Perform lock-up inspection after warming up engine.

Lock-up vehicle speed may vary depending on the driving conditions and circumstances.
Stall RevolutionBCS001PI
Line PressureBCS001PJ
Adjusting shims, Needle Bearings, Thrust Washers and Snap RingsBCS001P1
NOTE:
Refer to AT- 2 5 3 , "
Locations of Adjusting Shims, Needle Bearings and Thrust Washers" or AT- 2 5 4 , "Locations
of Snap Rings" .
OUTER DIAMETER AND INNER DIAMETER OF NEEDLE BEARINGS
Unit: mm (in)
OUTER DIAMETER AND INNER DIAMETER OF THRUST WASHER
Unit: mm (in)
OUTER DIAMETER AND INNER DIAMETER OF BEARING RACES AND ADJUSTING SHIMS
Unit: mm (in) Throttle position Selector lever positionVehicle speed km/h (MPH)
Lock-up “ON” Lock-up “OFF”
2.0/8 D position 86 - 94 (53 - 58) 51 - 59 (32 - 37)
3rd position 86 - 94 (53 - 58) 83 - 91 (52 - 57)
Engine type QR20DE VQ23DE
Stall revolution rpm 2,400 - 2,850 2,400 - 2,900
Engine speed rpmLine pressure kPa (bar, kg/cm
2 , psi)
“D”, “3”, “2” and “1” positions “R” position
Idle 500 (5.00, 5.1, 73) 778 (7.78, 7.9, 113)
Stall 1,233 (12.33, 12.6, 179) 1,918 (19.18, 19.6, 278)
Location Outer diameter Inner diameter
A 50.0 (1.969) 35.1 (1.382)
B 42.0 (1.654) 23.7 (0.933)
C 70.0 (2.756) 50.0 (1.969)
D 56.5 (2.224) 38.5 (1.516)
E 108.0 (4.252) 85.0 (3.346)
F 87.0 (3.425) 69.0 (2.717)
G 51.0 (2.008) 33.1 (1.303)
H 48.0 (1.890) 30.0 (1.181)
I 50.0 (1.969) 35.1 (1.382)
Location Outer diameter Inner diameter
J 76.0 (2.992) 59.3 (2.335)
Location Outer diameter Inner diameter
K 80.0 (3.150) 68.0 (2.677)
L 51.0 (2.008) 36.0 (1.417)
M 38.0 (1.496) 28.1 (1.106)
N 75.0 (2.953) 67.0 (2.638)

AT-364
SERVICE DATA AND SPECIFICATIONS (SDS)

OUTER DIAMETER OF SNAP RINGS
Unit: mm (in)
Control ValvesBCS001P2
CONTROL VALVE RETURN SPRINGS
For QR20DE Engine Models
Unit: mm (in) Location Outer diameter
1 144.8 (5.701)
2 173.8 (6.843)
3 133.9 (5.272)
4 119.1 (4.689)
5 150 (5.91)
6 182.8 (7.197)
PartsItem
Free length Outer diameter
Upper bodyL14 Pilot valve spring 38.98 (1.535) 8.9 (0.350)
L151-2 accumulator valve spring 20.5 (0.807) 6.95 (0.274)
1-2 accumulator piston spring 55.66 (2.191) 19.6 (0.772)
L16 1st reducing valve spring 27.0 (1.062) 7.0 (0.276)
L17 3-2 timing valve spring 23.0 (0.906) 6.65 (0.262)
L18 Overrun clutch reducing valve spring 37.5 (1.476) 6.9 (0.272)
L19 Torque converter relief valve spring 31.0 (1.220) 9.0 (0.354)
L20 Torque converter clutch control valve spring 56.98 (2.243) 6.5 (0.256)
L21 Cooler check valve spring 29.4 (1.157) 6.0 (0.236)
Lower bodyL3 Pressure regulator valve spring 45.0 (1.772) 15.0 (0.591)
L4 Overrun clutch control valve spring 21.7 (0.854) 7.0 (0.276)
L5 Accumulator control valve spring 22.0 (0.866) 6.5 (0.256)
L6 Shift valve A spring 21.7 (0.854) 7.0 (0.276)
L7 Shuttle valve spring 51.0 (2.008) 5.65 (0.222)
L12 Shift valve B spring 21.7 (0.854) 7.0 (0.276)
L13Pressure modifier valve spring 32.0 (1.260) 6.9 (0.272)
Pressure modifier piston spring 30.5 (1.201) 9.8 (0.386)
— Oil cooler relief valve spring 17.02 (0.670) 8.0 (0.315)

SERVICE DATA AND SPECIFICATIONS (SDS)
AT-365
D
E
F
G
H
I
J
K
L
MA
B
AT

For VQ23DE Engine Models
Unit: mm (in)
AccumulatorBCS001P3
O-RINGS
Unit: mm (in)
RETURN SPRINGS
Unit: mm (in) PartsItem
Free length Outer diameter
Upper bodyL14 Pilot valve spring 38.98 (1.535) 8.9 (0.350)
L151-2 accumulator valve spring 20.5 (0.807) 6.95 (0.274)
1-2 accumulator piston spring 55.66 (2.191) 19.6 (0.772)
L16 1st reducing valve spring 26.0 (1.024) 7.0 (0.276)
L17 3-2 timing valve spring 23.0 (0.906) 6.65 (0.262)
L18 Overrun clutch reducing valve spring 37.5 (1.476) 6.9 (0.272)
L19 Torque converter relief valve spring 31.0 (1.220) 9.0 (0.354)
L20 Torque converter clutch control valve spring 56.98 (2.243) 6.5 (0.256)
L21 Cooler check valve spring 29.4 (1.157) 6.0 (0.236)
Lower bodyL3 Pressure regulator valve spring 45.0 (1.772) 15.0 (0.591)
L4 Overrun clutch control valve spring 21.7 (0.854) 7.0 (0.276)
L5 Accumulator control valve spring 22.0 (0.866) 6.5 (0.256)
L6 Shift valve A spring 21.7 (0.854) 7.0 (0.276)
L7 Shuttle valve spring 51.0 (2.008) 5.65 (0.222)
L12 Shift valve B spring 21.7 (0.854) 7.0 (0.276)
L13Pressure modifier valve spring 32.0 (1.260) 6.9 (0.272)
Pressure modifier piston spring 30.5 (1.201) 9.8 (0.386)
— Oil cooler relief valve spring 17.02 (0.670) 8.0 (0.315)
AccumulatorInner diameter
(Small)Inner diameter
(Large)
Servo release accumulator 26.9 (1.059) 44.2 (1.740)
N-D accumulator 34.6 (1.362) 39.4 (1.551)
Accumulator Free length Outer diameter
Servo release accumulator 62.8 (2.472) 21.0 (0.827)
N-D accumulator 46.5 (1.831) 28.0 (1.102)

AT-366
SERVICE DATA AND SPECIFICATIONS (SDS)

Clutch and BrakesBCS001P4
REVERSE CLUTCH
HIGH CLUTCH
FORWARD CLUTCH
OVERRUN CLUTCH
LOW & REVERSE BRAKE
Number of drive plates2
Number of driven plates2
Drive plate thickness mm (in)Standard 1.6 (0.063)
Allowable limit 1.4 (0.055)
Driven plate thickness mm (in) Standard 1.8 (0.070)
Clearance mm (in) Standard 0.5 - 0.8 (0.020 - 0.031)
Allowable limit 1.2 (0.047)
Number of drive plates3
Number of driven plates
8 (7
*1 +1*2 )
Drive plate thickness mm (in)Standard 1.6 (0.063)
Allowable limit 1.4 (0.055)
Driven plate thickness mm (in) Standard*1 *2
1.4 (0.055) 2.0 (0.079)
Clearance mm (in)Standard 1.8 - 2.2 (0.071 - 0.087)
Allowable limit 2.8 (0.110)
Number of drive plates4
Number of driven plates4
Drive plate thickness mm (in)Standard 1.6 (0.063)
Allowable limit 1.4 (0.055)
Driven plate thickness mm (in) Standard 1.8 (0.071)
Clearance mm (in)Standard 0.45 - 0.85 (0.0177 - 0.0335)
Allowable limit 1.65 (0.0650)
Number of drive plates3
Number of driven plates5
Drive plate thickness mm (in)Standard 1.6 (0.063)
Allowable limit 1.4 (0.055)
Driven plate thickness mm (in) Standard 1.6 (0.063)
Clearance mm (in)Standard 0.7 - 1.1 (0.028 - 0.043)
Allowable limit 1.7 (0.067)
Number of drive plates5
Number of driven plates5
Drive plate thickness mm (in)Standard 1.8 (0.071)
Allowable limit 1.6 (0.063)
Driven plate thickness mm (in) Standard 1.8 (0.071)
Clearance mm (in)Standard 1.7 - 2.1 (0.067 - 0.083)
Allowable limit 3.1 (0.122)

SERVICE DATA AND SPECIFICATIONS (SDS)
AT-367
D
E
F
G
H
I
J
K
L
MA
B
AT

CLUTCH AND BRAKE RETURN SPRINGS
Unit: mm (in)
BRAKE BAND
Final DriveBCS001P5
DIFFERENTIAL SIDE GEAR CLEARANCE
BEARING PRELOAD
TURNING TORQUE
Planetary Carrier and Oil PumpBCS001P6
PLANETARY CARRIER
OIL PUMP
Input ShaftBCS001P7
SEAL RING CLEARANCE
SEAL RING
Reduction Pinion GearBCS001P8
TURNING TORQUE
Parts Free length Outer diameter
Forward clutch (Overrun clutch)
(22 pcs)21.4 (0.843) 10.3 (0.406)
High clutch (10 pcs) 20.8 (0.819) 10.8 (0.425)
Low & reverse brake (24 pcs) 24.1 (0.949) 6.6 (0.260)
Anchor end pin tightening torque N-m (kg-m, in-lb) 4.9 (0.50, 43)
Number of returning revolutions for anchor end pin 2.5
Lock nut tightening torque N-m (kg-m, ft-lb) 34 (3.5, 25)
Clearance between side gear and differential case with
washer mm (in)0.1 - 0.2 (0.004 - 0.008)
Differential side bearing preload mm (in) 0.05 - 0.09 (0.0020 - 0.0035)
Turning torque of final drive assembly N-m (kg-cm, in-lb) 0.8 - 1.5 (8.0 - 15.7, 7 - 13)
Clearance between planetary carrier
and pinion washer mm (in)Standard 0.20 - 0.70 (0.0079 - 0.0276)
Allowable limit 0.80 (0.0315)
Oil pump side clearance mm (in) 0.030 - 0.050 (0.0012 - 0.0020)
Clearance between oil pump
housing and outer gear mm
(in)Standard 0.111 - 0.181 (0.0044 - 0.0071)
Allowable limit 0.181 (0.0071)
Oil pump cover seal ring
clearance mm (in)Standard 0.1 - 0.35 (0.0039 - 0.0138)
Allowable limit 0.35 (0.0138)
Input shaft seal ring clearance mm (in)Standard 0.08 - 0.23 (0.0031 - 0.0091)
Allowable limit 0.23 (0.0091)
Outer diameter mm (in) Inner diameter mm (in) Width mm (in)
26 (1.024) 22.6 (0.890) 1.97 (0.078)
Turning torque of reduction pinion gear N-m (kg-cm, in-lb) 0.05 - 0.39 (0.5 - 4.0, 0.43 - 3.47)

AT-368
SERVICE DATA AND SPECIFICATIONS (SDS)

Band ServoBCS001P9
RETURN SPRING
Unit: mm (in)
Output ShaftBCS001PA
SEAL RING CLEARANCE
SEAL RING
END PLAY
Bearing RetainerBCS001PB
SEAL RING CLEARANCE
Total End PlayBCS001PC
Reverse Clutch End PlayBCS001PD
Removal and InstallationBCS001PE
Shift Solenoid ValvesBCS001PK
Solenoid ValvesBCS001PL
A/T Fluid Temperature SensorBCS001PM
Return spring Free length Outer diameter
2nd servo return spring 32.5 (1.280) 25.9 (1.020)
OD servo return spring 62.6 (2.465) 21.7 (0.854)
Output shaft seal ring clearance mm
(in)Standard 0.10 - 0.25 (0.0039 - 0.0098)
Allowable limit 0.25 (0.0098)
Outer diameter mm (in) Inner diameter mm (in) Width mm (in)
33.71 (1.327) 30.25 (1.191) 1.95 (0.077)
Output shaft end play mm (in) 0 - 0.15 (0 - 0.0059)
Bearing retainer seal ring
clearance mm (in)Standard 0.10 - 0.30 (0.0039 - 0.0118)
Allowable limit 0.30 (0.0118)
Total end play mm (in) 0.25 - 0.55 (0.0098 - 0.0217)
Reverse clutch end play mm (in) 0.61 - 1.0 (0.0240 - 0.039)
Distance between end of converter housing
and torque converter mm (in)QR20DE engine models 19 (0.75)
VQ23DE engine models 14 (0.55)
Gear position 1 2 3 4
Shift solenoid valve A ON (Closed) OFF (Open) OFF (Open) ON (Closed)
Shift solenoid valve B ON (Closed) ON (Closed) OFF (Open) OFF (Open)
Solenoid valves Resistance (Approx.)ΩTe r m i n a l N o .
Shift solenoid valve A 20 - 30 2
Shift solenoid valve B 5 - 20 1
Overrun clutch solenoid valve 20 - 30 3
Line pressure solenoid valve 2.5 - 5 4
Torque converter clutch solenoid valve 5 - 20 5
Condition Specification (Approx.)
Cold [20°C (68°F)]
↓
Hot [80°C (176°F)]1.5 V
↓
0.5 V2.5 kΩ
↓
0.3 kΩ

SERVICE DATA AND SPECIFICATIONS (SDS)
AT-369
D
E
F
G
H
I
J
K
L
MA
B
AT

Revolution SensorBCS001PN
Dropping ResistorBCS001PO
Turbine Revolution Sensor (Power Train Revolution Sensor)BCS001PP
Condition Judgement standard
When moving at 20 km/h (12 MPH) 450 Hz (Approx.)
Resistance12 Ω (Approx.)
Condition Judgement standard
When moving at 20 km/h (12 MPH) 240 Hz (Approx.)

AT-370
SERVICE DATA AND SPECIFICATIONS (SDS)

ATC-1
AUTOMATIC AIR CONDITIONER
J AIR CONDITIONER
CONTENTS
C
D
E
F
G
H
I
K
L
M
SECTION AT C
A
B
AT C

AUTOMATIC AIR CONDITIONER
PRECAUTIONS .......................................................... 5
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 5
Precautions Necessary for Steering Wheel Rotation
After Battery Disconnect .......................................... 5
OPERATION PROCEDURE ................................. 5
Precautions for Working with HFC-134a (R-134a) ..... 5
General Refrigerant Precautions .............................. 6
Precautions for Refrigerant Connection ................... 6
ABOUT ONE-TOUCH JOINT ................................ 6
FEATURES OF NEW TYPE REFRIGERANT
CONNECTION ...................................................... 8
O-RING AND REFRIGERANT CONNECTION ..... 9
Precautions for Servicing Compressor .................... 11
Precautions for Service Equipment ........................ 12
RECOVERY/RECYCLING EQUIPMENT ............ 12
ELECTRICAL LEAK DETECTOR ....................... 12
VACUUM PUMP ................................................. 12
MANIFOLD GAUGE SET .................................... 12
SERVICE HOSES ............................................... 13
SERVICE COUPLERS ........................................ 13
REFRIGERANT WEIGHT SCALE ...................... 13
CALIBRATING ACR4 WEIGHT SCALE .............. 13
CHARGING CYLINDER ...................................... 14
Precautions for Leak Detection Dye ....................... 14
IDENTIFICATION ................................................ 14
IDENTIFICATION LABEL FOR VEHICLE ........... 14
PREPARATION ......................................................... 15
Special Service Tools ............................................. 15
HFC-134a (R-134a) Service Tools and Equipment ... 16
Commercial Service Tools ...................................... 18
REFRIGERATION SYSTEM ..................................... 19
Refrigerant Cycle ................................................... 19
REFRIGERANT FLOW ....................................... 19
FREEZE PROTECTION ..................................... 19
Refrigerant System Protection ............................... 19
REFRIGERANT PRESSURE SENSOR ............. 19
PRESSURE RELIEF VALVE ............................... 19
Component Layout ................................................. 20LUBRICANT .............................................................. 21
Maintenance of Lubricant Quantity in Compressor ... 21
LUBRICANT ........................................................ 21
LUBRICANT RETURN OPERATION .................. 21
LUBRICANT ADJUSTING PROCEDURE FOR
COMPONENTS REPLACEMENT EXCEPT
COMPRESSOR .................................................. 22
LUBRICANT ADJUSTING PROCEDURE FOR
COMPRESSOR REPLACEMENT ....................... 22
AIR CONDITIONER CONTROL ............................... 24
Description of Air Conditioner LAN Control System ... 24
System Construction .............................................. 24
OPERATION ........................................................ 24
TRANSMISSION DATA AND TRANSMISSION
ORDER ............................................................... 25
AIR MIX DOOR CONTROL (AUTOMATIC TEM-
PERATURE CONTROL) ..................................... 26
FAN SPEED CONTROL ...................................... 26
INTAKE DOOR CONTROL ................................. 26
MODE DOOR CONTROL ................................... 26
MAGNET CLUTCH CONTROL ........................... 27
SELF-DIAGNOSIS SYSTEM .............................. 27
Description of Control System ................................ 28
Control Operation ................................................... 29
DISPLAY SCREEN .............................................. 29
TEMPERATURE CONTROL SWITCH (POTEN-
TIO TEMPERATURE CONTROL) (DRIVER
SIDE) ................................................................... 29
TEMPERATURE CONTROL SWITCH (POTEN-
TIO TEMPERATURE CONTROL) (PASSEN-
GER SIDE) .......................................................... 29
AUTO SWITCH ................................................... 29
A/C SWITCH ....................................................... 29
FAN SWITCH ...................................................... 29
INTAKE SWITCH ................................................. 30
MODE SWITCH .................................................. 30
DEFROSTER (DEF) SWITCH ............................. 30
REAR WINDOW DEFOGGER SWITCH ............. 30
DUAL SWITCH .................................................... 30
Fail-safe Function ................................................... 30

ATC-2 Discharge Air Flow ................................................. 31
System Description ................................................. 32
SWITCHES AND THEIR CONTROL FUNCTION ... 32
CAN Communication System Description .............. 33
TROUBLE DIAGNOSIS ............................................ 34
CONSULT-II Function (BCM) .................................. 34
CONSULT-II BASIC OPERATION ....................... 34
DATA MONITOR .................................................. 34
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ...................................................... 35
WORK FLOW ...................................................... 35
SYMPTOM TABLE .............................................. 35
Component Parts and Harness Connector Location ... 36
ENGINE COMPARTMENT .................................. 36
PASSENGER COMPARTMENT .......................... 37
Schematic ............................................................... 38
Wiring Diagram — A/C — ....................................... 39
Auto Amp. Terminals and Reference Value ............ 44
PIN CONNECTOR TERMINAL LAYOUT ............ 44
TERMINALS AND REFERENCE VALUE FOR
UNIFIED METER AND A/C AMP. ........................ 44
Self-diagnosis Function .......................................... 46
DESCRIPTION .................................................... 46
FUNCTION CONFIRMATION PROCEDURE ...... 47
AUXILIARY MECHANISM: TEMPERATURE
SETTING TRIMMER ........................................... 52
AUXILIARY MECHANISM: FOOT POSITION
SETTING TRIMMER ........................................... 53
AUXILIARY MECHANISM: INLET PORT MEM-
ORY FUNCTION ................................................. 53
Operational Check .................................................. 54
CHECKING MEMORY FUNCTION ..................... 54
CHECKING BLOWER ......................................... 54
CHECKING DISCHARGE AIR ............................ 54
CHECKING INTAKE AIR ..................................... 54
CHECKING TEMPERATURE DECREASE ......... 54
CHECKING TEMPERATURE INCREASE .......... 55
CHECKING A/C SWITCH ................................... 55
CHECKING AUTO MODE ................................... 55
Power Supply and Ground Circuit for Auto Amp. ... 56
INSPECTION FLOW ........................................... 56
COMPONENT DESCRIPTION ............................ 57
DIAGNOSIS PROCEDURE FOR A/C SYSTEM ... 57
LAN System Circuit ................................................ 59
DIAGNOSIS PROCEDURE FOR LAN CIRCUIT ... 59
Mode Door Motor Circuit ........................................ 63
INSPECTION FLOW ........................................... 63
SYSTEM DESCRIPTION .................................... 64
COMPONENT DESCRIPTION ............................ 65
DIAGNOSIS PROCEDURE FOR MODE DOOR
MOTOR ............................................................... 65
Air Mix Door Motor Circuit ...................................... 66
INSPECTION FLOW ........................................... 66
SYSTEM DESCRIPTION .................................... 67
COMPONENT DESCRIPTION ............................ 68
DIAGNOSIS PROCEDURE FOR AIR MIX DOOR
MOTOR ............................................................... 68
Air Mix Door Motor PBR Circuit .............................. 68DIAGNOSIS PROCEDURE FOR AIR MIX DOOR
MOTOR PBR ....................................................... 68
Intake Door Motor Circuit ........................................ 69
INSPECTION FLOW ............................................ 69
SYSTEM DESCRIPTION ..................................... 70
COMPONENT DESCRIPTION ............................ 71
DIAGNOSIS PROCEDURE FOR INTAKE DOOR
MOTOR ................................................................ 71
Blower Motor Circuit ................................................ 72
INSPECTION FLOW ............................................ 72
SYSTEM DESCRIPTION ..................................... 73
COMPONENT DESCRIPTION ............................ 74
DIAGNOSIS PROCEDURE FOR BLOWER
MOTOR ................................................................ 74
COMPONENT INSPECTION ............................... 77
Magnet Clutch Circuit .............................................. 78
INSPECTION FLOW ............................................ 78
SYSTEM DESCRIPTION ..................................... 79
DIAGNOSIS PROCEDURE FOR MAGNET
CLUTCH .............................................................. 79
COMPONENT INSPECTION ............................... 83
Insufficient Cooling .................................................. 84
INSPECTION FLOW ............................................ 84
PERFORMANCE TEST DIAGNOSIS .................. 85
PERFORMANCE CHART .................................... 87
TROUBLE DIAGNOSIS FOR UNUSUAL PRES-
SURE ................................................................... 88
Insufficient Heating ................................................. 91
INSPECTION FLOW ............................................ 91
Noise ....................................................................... 92
INSPECTION FLOW ............................................ 92
Self-diagnosis ......................................................... 94
INSPECTION FLOW ............................................ 94
Memory Function .................................................... 95
INSPECTION FLOW ............................................ 95
Ambient Sensor Circuit ........................................... 96
COMPONENT DESCRIPTION ............................ 96
AMBIENT TEMPERATURE INPUT PROCESS ... 96
DIAGNOSIS PROCEDURE FOR AMBIENT
SENSOR .............................................................. 96
COMPONENT INSPECTION ............................... 98
In-vehicle Sensor Circuit ......................................... 99
COMPONENT DESCRIPTION ............................ 99
DIAGNOSIS PROCEDURE FOR IN-VEHICLE
SENSOR ............................................................100
COMPONENT INSPECTION .............................101
Sunload Sensor Circuit .........................................102
COMPONENT DESCRIPTION ..........................102
SUNLOAD INPUT PROCESS ...........................102
DIAGNOSIS PROCEDURE FOR SUNLOAD
SENSOR ............................................................102
COMPONENT INSPECTION .............................104
Intake Sensor Circuit .............................................105
COMPONENT DESCRIPTION ..........................105
DIAGNOSIS PROCEDURE FOR INTAKE SEN-
SOR ...................................................................105
COMPONENT INSPECTION .............................106