AUTOMATIC TRANSAXLE.pdf

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AUTOMATIC TRANSAXLE
SECTION AT
CONTENTS
EURO-OBD
CONSULT-II ...............................................................31
TROUBLE DIAGNOSIS - INDEX ....................................4
Alphabetical & P No. Index for DTC ...........................4
EURO-OBD
TROUBLE DIAGNOSIS - INTRODUCTION ..................41
Introduction ................................................................41
Work Flow ..................................................................44
PRECAUTIONS ...............................................................6
(SRS)
SEAT BELT
PRE-TENSIONER ² ......................................................6
OBD) System of CVT and Engine ...............................6
Precautions ..................................................................6
Service Notice or Precautions .....................................7
PREPARATION ...............................................................9
Special Service Tools ..................................................9
CVT FLUID .....................................................................10
Checking CVT Fluid ...................................................10
Changing CVT Fluid .................................................. 11
OVERALL SYSTEM ......................................................12
CVT Electrical Parts Location ....................................12
Circuit Diagram ..........................................................13
Cross-sectional View - RE0F06A ..............................14
Control System ..........................................................15
²
AIR BAG
²
and
²
EXCEPT FOR EURO-OBD
TROUBLE DIAGNOSIS - INTRODUCTION ..................46
Introduction ................................................................46
Work Flow ..................................................................49
CVT Fluid Check .......................................................51
Stall Test ....................................................................51
Line Pressure Test .....................................................52
Road Test. ..................................................................53
DESCRIPTION ...............................................................58
TCM Terminals and Reference Value ........................58
Wiring Diagram - AT - MAIN ......................................62
TCM Terminals and Reference Value ........................64
Diagnostic Procedure ................................................65
EURO-OBD
DESCRIPTION ...............................................................18
Introduction ................................................................18
EURO-OBD Function for CVT System. .....................18
Malfunction Indicator (MI) ..........................................21
CONSULT-II ...............................................................21
EURO-OBD
SWITCH .........................................................................66
Description .................................................................66
Wiring Diagram - AT - PNP/SW .................................68
Diagnostic Procedure ................................................70
Component Inspection ...............................................72
CIRCUIT .........................................................................73
Description .................................................................73
EXCEPT FOR EURO-OBD
DESCRIPTION ...............................................................31
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CONTENTS (Cont’d)
Wiring Diagram - AT - FTS ........................................75
Diagnostic Procedure ................................................77
DTC P0715 PRIMARY SPEED SENSOR .....................79
Description .................................................................79
Wiring Diagram - AT - PSSA/T ..................................80
Diagnostic Procedure ................................................82
Component Inspection ...............................................83
(SECONDARY SPEED SENSOR) ................................84
Description .................................................................84
Wiring Diagram - AT - VSSA/T ..................................86
Diagnostic Procedure ................................................88
Component Inspection ...............................................89
DTC P0725 ENGINE SPEED SIGNAL .........................90
Description .................................................................90
Wiring Diagram - AT - ENGSS ..................................91
Diagnostic Procedure ................................................92
SOLENOID VALVE ........................................................94
Description .................................................................94
Wiring Diagram - AT - TCV ........................................96
Diagnostic Procedure ................................................97
Component Inspection ...............................................98
Description .................................................................99
Wiring Diagram - AT - LPSV. ...................................101
Diagnostic Procedure ..............................................102
Component Inspection .............................................103
Description ...............................................................104
Wiring Diagram - AT - TPS ......................................106
Diagnostic Procedure ..............................................108
Component Inspection ............................................. 111
DTC P1777 STEP MOTOR - CIRCUIT ....................... 112
Description ............................................................... 112
Wiring Diagram - AT - STM ..................................... 114
Diagnostic Procedure .............................................. 115
Component Inspection ............................................. 116
DTC P1778 STEP MOTOR - FUNCTION ................... 117
Description ............................................................... 117
Diagnostic Procedure .............................................. 118
DTC P1791 LINE PRESSURE SENSOR .................... 119
Description ............................................................... 119
Wiring Diagram - AT - LPS ......................................121
Diagnostic Procedure ..............................................123
Component Inspection .............................................124
EXCEPT FOR EURO-OBD
SPEED SENSOR) ........................................................126
Description ...............................................................126
Wiring Diagram - AT - VSSA/T ................................128
Diagnostic Procedure ..............................................130
PRIMARY SPEED SENSOR .......................................132
Description ...............................................................132
Wiring Diagram - AT - VSSMTR ..............................134
Diagnostic Procedure ..............................................136
THROTTLE POSITION SENSOR . ...............................137
Description ...............................................................137
Wiring Diagram - AT - TPS ......................................139
Diagnostic Procedure ..............................................141
Component Inspection .............................................145
STEPPING MOTOR - CIRCUIT . ..................................146
Description ...............................................................146
Wiring Diagram - AT - STM .....................................147
Diagnostic Procedure ..............................................148
Component Inspection .............................................149
STEP MOTOR - FUNCTION .......................................150
Description ...............................................................150
Diagnostic Procedure ..............................................150
LINE PRESSURE SENSOR ........................................151
Description ...............................................................151
Wiring Diagram - AT - LPS ......................................153
Diagnostic Procedure ..............................................155
Component Inspection .............................................156
LINE PRESSURE SOLENOID VALVE .......................157
Description ...............................................................157
Wiring Diagram - AT - LPSV ....................................159
Diagnostic Procedure ..............................................160
Component Inspection .............................................163
VALVE ..........................................................................164
Description ...............................................................164
Wiring Diagram - AT - TCV ......................................166
Diagnostic Procedure ..............................................167
Component Inspection .............................................169
Description ...............................................................170
Wiring Diagram - AT - FTS ......................................172
Diagnostic Procedure ..............................................174
ENGINE SPEED SIGNAL ............................................176
Description ...............................................................176
Wiring Diagram - AT - ENGSS ................................177
Diagnostic Procedure ..............................................178
CVT SAFE FUNCTION ................................................125
Description ...............................................................125
Diagnostic Procedure ..............................................125
Description ...............................................................180
Diagnostic Procedure ..............................................181
AT-2
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CONTENTS (Cont’d)
CONTROL UNIT (EEPROM) .......................................182
Description ...............................................................182
Diagnostic Procedure ..............................................183
ITEMS ...........................................................................184
Position Switch ........................................................184
Diagnostic Procedure ..............................................184
Wiring Diagram - AT - NONDTC .............................188
A/T SHIFT LOCK SYSTEM .........................................195
Description ...............................................................195
Wiring Diagram - SHIFT - ........................................196
Diagnostic Procedure ..............................................198
KEY INTERLOCK CABLE ..........................................202
Components .............................................................202
Removal ...................................................................202
Installation ................................................................203
ON-VEHICLE SERVICE ..............................................204
Control Cable Adjustment ........................................204
REMOVAL AND INSTALLATION ...............................206
Removal ...................................................................206
Inspection. ................................................................206
Installation ................................................................207
Air Breather Hose ....................................................208
CVT Fluid Cooler .....................................................208
Components .............................................................209
General Specifications .............................................210
Stall Revolution ........................................................210
Line Pressure. ..........................................................210
Removal and Installation .........................................210
A/T Fluid Temperature Sensor .................................210
Solenoid Valves .......................................................210
Dropping Resistor ....................................................210
AT-3
TROUBLE DIAGNOSIS — INDEX
EURO-OBD
Alphabetical & P No. Index for DTC
Alphabetical & P No. Index for DTC NLAT0001
ALPHABETICAL INDEX FOR DTC NLAT0001S01
Check if the vehicle is a model with Euro-OBD system or not by the
“Type approval number” on the identification plate. Refer to GI
section, “IDENTIFICATION PLATE”.
Type approval number
Model
Available
With Euro-OBD system
Not available (blank)
Without Euro-OBD system
DTC
Items
(CONSULT-II screen terms)
Reference page
CONSULT-II
GST*2
ECM*1
ATF TEMP SEN/CIRC
0710
P0710
ENG SPEED SIG
0725
P0725
LINE PRESSURE SEN
1791
P1791
L/PRESS SOL/CIRC
0745
P0745
PNP SW/CIRC
0705
P0705
PRI SPEED SIG/CIRC
0715
P0715
STEP MOTOR/CIRC
1777
P1777
STEP MOTOR/FNCTN
1778
P1778
TP SEN/CIRC A/T*3
1705
P1705
TCC SOLENOID/CIRC
0740
P0740
VEH SPD SEN/CIR A/T
0720
P0720
*1: In Diagnostic Test Mode II (Self-diagnostic results), these numbers are controlled by NISSAN.
*2: These numbers are prescribed by ISO15031-6.
*3: When the fail-safe operation occurs, the MI illuminates.
AT-4
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TROUBLE DIAGNOSIS — INDEX EURO-OBD
Alphabetical & P No. Index for DTC (Cont’d)
P NO. INDEX FOR DTC =NLAT0001S02
Check if the vehicle is a model with Euro-OBD system or not by the
“Type approval number” on the identification plate. Refer to GI
section, “IDENTIFICATION PLATE”.
Type approval number
Model
Available
With Euro-OBD system
Not available (blank)
Without Euro-OBD system
DTC
Items
(CONSULT-II screen terms)
Reference page
CONSULT-II
GST*2
ECM*1
P0705
0705
PNP SW/CIRC
P0710
0710
ATF TEMP SEN/CIRC
P0715
0715
PRI SPEED SIG/CIRC
P0720
0720
VEH SPD SEN/CIR AT
P0725
0725
ENG SPEED SIG
P0740
0740
TCC SOLENOID/CIRC
P0745
0745
L/PRESS SOL/CIRC
P1705
1705
TP SEN/CIRC A/T*3
P1777
1777
STEP MOTOR/CIRC
P1778
1778
STEP MOTOR/FNCTN
P1791
1791
LINE PRESSURE SEN
*1: In Diagnostic Test Mode II (Self-diagnostic results), these numbers are controlled by NISSAN.
*2: These numbers are prescribed by ISO15031-6.
*3: When the fail-safe operation occurs, the MI illuminates.
AT-5
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