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                                                                                      AUTOMATIC TRANSMISSION                                                                GI




                                                                                                       SECTION                      AT                                      MA

                                                                                                                                                                            EM

                                                                                                                                                                            LC

                                                                                                                                                                            EC

                                                                CONTENTS                                                                                                    FE


TROUBLE DIAGNOSIS - INDEX ....................................4                        TROUBLE DIAGNOSIS - GENERAL
                                                                                                                                                                            CL
  Alphabetical & P No. Index for DTC ...........................4                      DESCRIPTION ...............................................................81
PRECAUTIONS ...............................................................6             Symptom Chart..........................................................81          MT
  Supplemental Restraint System (SRS) AIR                                                TCM Terminals and Reference Value........................92
  BAG and SEAT BELT PRE-TENSIONER...............6                                      TROUBLE DIAGNOSIS FOR POWER SUPPLY..........96
  Precautions for On Board Diagnostic (OBD)                                              Wiring Diagram - AT - MAIN......................................96
  System of A/T and Engine...........................................6                 DTC P0705 PARK/NEUTRAL POSITION (PNP)
  Precautions ..................................................................6      SWITCH .........................................................................99
  Service Notice or Precautions .....................................8                   Description .................................................................99
                                                                                                                                                                            TF
  Wiring Diagrams and Trouble Diagnosis.....................9                            Wiring Diagram - AT - PNP/SW...............................101
PREPARATION .............................................................10              Diagnostic Procedure ..............................................102             PD
  Special Service Tools ................................................10               Component Inspection.............................................104
OVERALL SYSTEM ......................................................12                DTC P0710 A/T FLUID TEMPERATURE SENSOR
  A/T Electrical Parts Location .....................................12                CIRCUIT .......................................................................105   AX
  Circuit Diagram ..........................................................13           Description ...............................................................105
  Cross-sectional View .................................................14               Wiring Diagram - AT - FTS ......................................107
  Hydraulic Control Circuit............................................15                Diagnostic Procedure ..............................................108             SU
  Shift Mechanism ........................................................16             Component Inspection.............................................110
  Control System ..........................................................25          DTC P0720 VEHICLE SPEED SENSOR.A/T
                                                                                                                                                                            BR
  Control Mechanism....................................................26              (REVOLUTION SENSOR) ........................................... 111
  Control Valve .............................................................31          Description ............................................................... 111
ON BOARD DIAGNOSTIC SYSTEM                                                               Wiring Diagram - AT - VSSA/T ................................113                   ST
DESCRIPTION ...............................................................33            Diagnostic Procedure ..............................................114
  Introduction ................................................................33        Component Inspection.............................................115
  OBD-II Function for A/T System................................33                     DTC P0725 ENGINE SPEED SIGNAL .......................116                             RS
  One or Two Trip Detection Logic of OBD-II ..............33                             Description ...............................................................116
  OBD-II Diagnostic Trouble Code (DTC) ....................33                            Wiring Diagram - AT - ENGSS ................................117
  Malfunction Indicator Lamp (MIL)..............................37                       Diagnostic Procedure ..............................................118
                                                                                                                                                                            BT
  CONSULT-II ...............................................................37         DTC P0731 IMPROPER SHIFTING TO 1ST GEAR
  Diagnostic Procedure Without CONSULT-II..............46                              POSITION ....................................................................120     HA
TROUBLE DIAGNOSIS - INTRODUCTION..................53                                     Description ...............................................................120
  Introduction ................................................................53        Wiring Diagram - AT - 1ST ......................................123
  Work Flow..................................................................57          Diagnostic Procedure ..............................................124             SC
TROUBLE DIAGNOSIS - BASIC INSPECTION ...........59                                       Component Inspection.............................................125
  A/T Fluid Check .........................................................59          DTC P0732 IMPROPER SHIFTING TO 2ND GEAR
  Stall Test ....................................................................59    POSITION ....................................................................126     EL
  Line Pressure Test.....................................................62              Description ...............................................................126
  Road Test...................................................................63         Wiring Diagram - AT - 2ND......................................129                 IDX
                                                                                         Diagnostic Procedure ..............................................130
                                                     CONTENTS                                  (Cont'd)
  Component Inspection.............................................130                 Description ...............................................................189
DTC P0733 IMPROPER SHIFTING TO 3RD GEAR                                                Wiring Diagram - AT - BA/FTS ................................191
POSITION ....................................................................132       Diagnostic Procedure ..............................................192
  Description ...............................................................132       Component Inspection.............................................194
  Wiring Diagram - AT - 3RD......................................135                 VEHICLE SPEED SENSOR.MTR................................195
  Diagnostic Procedure ..............................................136               Description ...............................................................195
  Component Inspection.............................................136                 Wiring Diagram - AT - VSSMTR..............................197
DTC P0734 IMPROPER SHIFTING TO 4TH GEAR                                                Diagnostic Procedure ..............................................198
POSITION ....................................................................138     DTC CONTROL UNIT (RAM), CONTROL UNIT
  Description ...............................................................138     (ROM)...........................................................................199
  Wiring Diagram - AT - 4TH ......................................142                  Description ...............................................................199
  Diagnostic Procedure ..............................................143               Diagnostic Procedure ..............................................200
  Component Inspection.............................................146               DTC CONTROL UNIT (EEPROM) ..............................201
DTC P0740 TORQUE CONVERTER CLUTCH                                                      Description ...............................................................201
SOLENOID VALVE......................................................147                Diagnostic Procedure ..............................................202
  Description ...............................................................147     TROUBLE DIAGNOSES FOR SYMPTOMS ...............203
  Wiring Diagram - AT - TCV......................................149                   Wiring Diagram - AT - NONDTC .............................203
  Diagnostic Procedure ..............................................150               1. O/D OFF Indicator Lamp Does Not Come On....206
  Component Inspection.............................................151                 2. Engine Cannot Be Started In P and N Position..208
DTC P0744 IMPROPER LOCK-UP OPERATION ......152                                         3. In P Position, Vehicle Moves Forward Or
  Description ...............................................................152       Backward When Pushed .........................................209
  Wiring Diagram - AT - TCCSIG ...............................155                      4. In N Position, Vehicle Moves ..............................210
  Diagnostic Procedure ..............................................156               5. Large Shock. N -> R Position .............................212
  Component Inspection.............................................159                 6. Vehicle Does Not Creep Backward In R
DTC P0745 LINE PRESSURE SOLENOID VALVE ...160                                          Position ....................................................................214
  Description ...............................................................160       7. Vehicle Does Not Creep Forward In D, 2 Or 1
  Wiring Diagram - AT - LPSV....................................162                    Position ....................................................................217
  Diagnostic Procedure ..............................................163               8. Vehicle Cannot Be Started From D1 ...................220
  Component Inspection.............................................164                 9. A/T Does Not Shift: D1 -> D2 Or Does Not
DTC P0750 SHIFT SOLENOID VALVE A ..................165                                 Kickdown: D4 -> D2..................................................223
  Description ...............................................................165       10. A/T Does Not Shift: D2 -> D3.............................226
  Wiring Diagram - AT - SSV/A ..................................167                    11. A/T Does Not Shift: D3 -> D4 .............................229
  Diagnostic Procedure ..............................................168               12. A/T Does Not Perform Lock-up .........................232
  Component Inspection.............................................169                 13. A/T Does Not Hold Lock-up Condition ..............234
DTC P0755 SHIFT SOLENOID VALVE B ..................170                                 14. Lock-up Is Not Released...................................236
  Description ...............................................................170       15. Engine Speed Does Not Return To Idle (Light
  Wiring Diagram - AT - SSV/B ..................................172                    Braking D4 -> D3).....................................................237
  Diagnostic Procedure ..............................................173               16. Vehicle Does Not Start From D1 .......................239
  Component Inspection.............................................174                 17. A/T Does Not Shift: D4 -> D3, When
DTC P1705 THROTTLE POSITION SENSOR ...........175                                      Overdrive Control Switch ON -> OFF .....................240
  Description ...............................................................175       18. A/T Does Not Shift: D3 -> 22, When Selector
  Wiring Diagram - AT - TPS......................................178                   Lever D -> 2 Position ..............................................241
  Diagnostic Procedure ..............................................179               19. A/T Does Not Shift: 22 -> 11, When Selector
  Component Inspection.............................................183                 Lever 2 -> 1 Position ...............................................242
DTC P1760 OVERRUN CLUTCH SOLENOID                                                      20. Vehicle Does Not Decelerate By Engine
VALVE..........................................................................184     Brake........................................................................243
  Description ...............................................................184       21. TCM Self-diagnosis Does Not Activate (PNP,
  Wiring Diagram - AT - OVRCSV..............................186                        Overdrive Control and Throttle Position Switches
  Diagnostic Procedure ..............................................187               Circuit Checks) ........................................................243
  Component Inspection.............................................188               A/T SHIFT LOCK SYSTEM.........................................251
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP                                                Description ...............................................................251
SENSOR CIRCUIT AND TCM POWER SOURCE) ....189                                           Wiring Diagram - SHIFT -........................................252




                                                                                AT-2
                                                    CONTENTS                                  (Cont'd)
  Diagnostic Procedure ..............................................253              Control Valve Lower Body .......................................294             GI
  Component Check ...................................................255              Reverse Clutch ........................................................296
KEY INTERLOCK CABLE ..........................................256                     High Clutch ..............................................................300
  Components.............................................................256          Forward and Overrun Clutches ...............................302                 MA
  Removal...................................................................256       Low & Reverse Brake..............................................306
  Installation................................................................257     Forward Clutch Drum Assembly..............................310
ON-VEHICLE SERVICE ..............................................258                  Rear Internal Gear and Forward Clutch Hub ..........312
                                                                                                                                                                      EM
  Control Valve Assembly and Accumulators.............258                             Band Servo Piston Assembly ..................................315
  Revolution Sensor Replacement .............................259                      Parking Pawl Components ......................................319               LC
  Rear Oil Seal Replacement.....................................259                 ASSEMBLY..................................................................321
  Parking Components Inspection..............................259                      Assembly (1)............................................................321
  Park/Neutral Position (PNP) Switch Adjustment .....260                              Adjustment ...............................................................329   EC
  Manual Control Linkage Adjustment........................260                        Assembly (2)............................................................331
REMOVAL AND INSTALLATION ...............................261                         SERVICE DATA AND SPECIFICATIONS (SDS) .......338
  Removal...................................................................261       General Specifications.............................................338          FE
  Installation................................................................263     Shift Schedule..........................................................338
OVERHAUL .................................................................264         Stall Revolution........................................................338     CL
  Components.............................................................264          Line Pressure...........................................................338
  Oil Channel ..............................................................266       Return Springs.........................................................339
  Locations of Needle Bearings, Thrust Washers                                        Accumulator O-ring..................................................340         MT
  and Snap Rings .......................................................267           Clutches and Brakes ...............................................340
DISASSEMBLY............................................................268            Oil Pump and Low One-way Clutch ........................342
REPAIR FOR COMPONENT PARTS .........................279                               Total End Play..........................................................342
  Oil Pump ..................................................................279      Reverse Clutch Drum End Play ..............................343
  Control Valve Assembly...........................................283                Removal and Installation .........................................343
                                                                                                                                                                      TF
  Control Valve Upper Body .......................................289

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                                                                               AT-3
                                       TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC

                                                    Alphabetical & P No. Index for DTC                                         NGAT0179
ALPHABETICAL INDEX FOR DTC                                                                                                   NGAT0179S01


                                                                              DTC
                      Items
                                                                                       CONSULT-II               Reference page
              (CONSULT-II screen terms)                         ECM*1
                                                                                         GST*2

 A/T 1ST GR FNCTN                                                1103                     P0731                     AT-120

 A/T 2ND GR FNCTN                                                1104                     P0732                     AT-126

 A/T 3RD GR FNCTN                                                1105                     P0733                     AT-132

 A/T 4TH GR FNCTN                                                1106                     P0734                     AT-138

 A/T TCC S/V FNCTN                                               1107                     P0744                     AT-152

 ATF TEMP SEN/CIRC                                               1208                     P0710                     AT-105

 ENGINE SPEED SIG                                                1207                     P0725                     AT-116

 L/PRESS SOL/CIRC                                                1205                     P0745                     AT-160

 O/R CLTCH SOL/CIRC                                              1203                     P1760                     AT-184

 PNP SW/CIRC                                                     1101                     P0705                      AT-99

 SFT SOL A/CIRC*3                                                1108                     P0750                     AT-165

 SFT SOL B/CIRC*3                                                1201                     P0755                     AT-170

 TCC SOLENOID/CIRC                                               1204                     P0740                     AT-147

 TP SEN/CIRC A/T*3                                               1206                     P1705                     AT-175

 VEH SPD SEN/CIR AT*4                                            1102                     P0720                     AT-111

*1: In Diagnostic Test Mode II (Self-diagnostic results), these numbers are controlled by NISSAN.
*2: These numbers are prescribed by SAE J2012.
*3: When the fail-safe operation occurs, the MIL illuminates.
*4: The MIL illuminates when both the "Revolution sensor signal" and the "Vehicle speed sensor signal" meet the fail-safe condition at
the same time.




                                                               AT-4
                                       TROUBLE DIAGNOSIS -- INDEX
                                                                                      Alphabetical & P No. Index for DTC (Cont'd)
P NO. INDEX FOR DTC                                                                                                          =NGAT0179S02


                        DTC                                                                                                                 GI
                                                                          Items
       CONSULT-II                                                                                               Reference page
                                    ECM*1                         (CONSULT-II screen terms)
         GST*2
                                                                                                                                            MA
          P0705                      1101            PNP SW/CIRC                                                     AT-99

          P0710                      1208            ATF TEMP SEN/CIRC                                              AT-105
                                                                                                                                            EM
          P0720                      1102            VEH SPD SEN/CIR AT*4                                           AT-111

          P0725                      1207            ENGINE SPEED SIG                                               AT-116
                                                                                                                                            LC
          P0731                      1103            A/T 1ST GR FNCTN                                               AT-120

          P0732                      1104            A/T 2ND GR FNCTN                                               AT-126                  EC
          P0733                      1105            A/T 3RD GR FNCTN                                               AT-132

          P0734                      1106            A/T 4TH GR FNCTN                                               AT-138                  FE
          P0740                      1204            TCC SOLENOID/CIRC                                              AT-147

          P0744                      1107            A/T TCC S/V FNCTN                                              AT-152                  CL
          P0745                      1205            L/PRESS SOL/CIRC                                               AT-160

          P0750                      1108            SFT SOL A/CIRC*3                                               AT-165                  MT
          P0755                      1201            SFT SOL B/CIRC*3                                               AT-170

          P1705                      1206            TP SEN/CIRC A/T*3                                              AT-175

          P1760                      1203            O/R CLTCH SOL/CIRC                                             AT-184

*1: In Diagnostic Test Mode II (Self-diagnostic results), these numbers are controlled by NISSAN.
                                                                                                                                            TF
*2: These numbers are prescribed by SAE J2012.
*3: When the fail-safe operation occurs, the MIL illuminates.
*4: The MIL illuminates when both the "Revolution sensor signal" and the "Vehicle speed sensor signal" meet the fail-safe condition at
                                                                                                                                            PD
the same time.

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                                                               AT-5
                                             PRECAUTIONS
Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"

                                            Supplemental Restraint System (SRS) "AIR
                                            BAG" and "SEAT BELT PRE-TENSIONER"                              NGAT0001
The supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER" used along with
a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of
collision. The Supplemental Restraint System consists of driver air bag module (located in the center of the
steering wheel), front passenger air bag module (located on the instrument panel on passenger side), seat
belt pre-tensioners, a diagnosis sensor unit, a crash zone sensor, warning lamp, wiring harness and spiral
cable.
Information necessary to service the system safely is included in the RS section of this Service Manual.
WARNING:



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