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                                                                                      AUTOMATIC TRANSMISSION                                                                GI




                                                                                                       SECTION                      AT                                      MA

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                                                                                                                                                                            LC

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                                                                CONTENTS                                                                                                    FE


TROUBLE DIAGNOSIS - INDEX ....................................4                        TROUBLE DIAGNOSIS - GENERAL
                                                                                                                                                                            CL
  Alphabetical & P No. Index for DTC ...........................4                      DESCRIPTION ...............................................................80
PRECAUTIONS ...............................................................6             Symptom Chart..........................................................80          MT
  Supplemental Restraint System (SRS) AIR                                                TCM Terminals and Reference Value........................91
  BAG and SEAT BELT PRE-TENSIONER...............6                                      TROUBLE DIAGNOSIS FOR POWER SUPPLY..........95
  Precautions for On Board Diagnostic (OBD)                                              Wiring Diagram - AT - MAIN......................................95
  System of A/T and Engine...........................................6                   Diagnostic Procedure ................................................96
  Precautions ..................................................................6      DTC P0705 PARK/NEUTRAL POSITION (PNP)
  Service Notice or Precautions .....................................8                 SWITCH .........................................................................98
                                                                                                                                                                            TF
  Wiring Diagrams and Trouble Diagnosis.....................9                            Description .................................................................98
PREPARATION .............................................................10              Wiring Diagram - AT - PNP/SW...............................100                     PD
  Special Service Tools ................................................10               Diagnostic Procedure ..............................................101
OVERALL SYSTEM ......................................................12                  Component Inspection.............................................103
  A/T Electrical Parts Location .....................................12                DTC P0710 A/T FLUID TEMPERATURE SENSOR                                               AX
  Circuit Diagram ..........................................................13         CIRCUIT .......................................................................104
  Cross-sectional View .................................................14               Description ...............................................................104
  Hydraulic Control Circuit............................................15                Wiring Diagram - AT - FTS ......................................106                SU
  Shift Mechanism ........................................................16             Diagnostic Procedure ..............................................107
  Control System ..........................................................25            Component Inspection.............................................109
                                                                                                                                                                            BR
  Control Mechanism....................................................26              DTC P0720 VEHICLE SPEED SENSOR.A/T
  Control Valve .............................................................31        (REVOLUTION SENSOR) ...........................................110
ON BOARD DIAGNOSTIC SYSTEM                                                               Description ...............................................................110     ST
DESCRIPTION ...............................................................33            Wiring Diagram - AT - VSSA/T ................................112
  Introduction ................................................................33        Diagnostic Procedure ..............................................113
  OBD-II Function for A/T System................................33                       Component Inspection.............................................114               RS
  One or Two Trip Detection Logic of OBD-II ..............33                           DTC P0725 ENGINE SPEED SIGNAL .......................115
  OBD-II Diagnostic Trouble Code (DTC) ....................33                            Description ...............................................................115
  Malfunction Indicator Lamp (MIL)..............................36                       Wiring Diagram - AT - ENGSS ................................116
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  CONSULT-II ...............................................................37           Diagnostic Procedure ..............................................117
  Diagnostic Procedure Without CONSULT-II..............46                              DTC P0731 IMPROPER SHIFTING TO 1ST GEAR                                              HA
TROUBLE DIAGNOSIS - INTRODUCTION..................52                                   POSITION ....................................................................119
  Introduction ................................................................52        Description ...............................................................119
  Work Flow..................................................................56          Wiring Diagram - AT - 1ST ......................................122                SC
TROUBLE DIAGNOSIS - BASIC INSPECTION ...........58                                       Diagnostic Procedure ..............................................123
  A/T Fluid Check .........................................................58            Component Inspection.............................................124
  Stall Test ....................................................................58    DTC P0732 IMPROPER SHIFTING TO 2ND GEAR                                              EL
  Line Pressure Test.....................................................61            POSITION ....................................................................125
  Road Test...................................................................62         Description ...............................................................125     IDX
                                                                                         Wiring Diagram - AT - 2ND......................................128
                                                     CONTENTS                                  (Cont'd)
  Diagnostic Procedure ..............................................129             DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP
  Component Inspection.............................................129               SENSOR CIRCUIT AND TCM POWER SOURCE) ....187
DTC P0733 IMPROPER SHIFTING TO 3RD GEAR                                                Description ...............................................................187
POSITION ....................................................................131       Wiring Diagram - AT - BA/FTS ................................189
  Description ...............................................................131       Diagnostic Procedure ..............................................190
  Wiring Diagram - AT - 3RD......................................134                   Component Inspection.............................................192
  Diagnostic Procedure ..............................................135             DTC VEHICLE SPEED SENSOR.MTR .......................193
  Component Inspection.............................................135                 Description ...............................................................193
DTC P0734 IMPROPER SHIFTING TO 4TH GEAR                                                Wiring Diagram - AT - VSSMTR..............................195
POSITION ....................................................................137       Diagnostic Procedure ..............................................196
  Description ...............................................................137     DTC CONTROL UNIT (RAM), CONTROL UNIT
  Wiring Diagram - AT - 4TH ......................................141                (ROM)...........................................................................197
  Diagnostic Procedure ..............................................142               Description ...............................................................197
  Component Inspection.............................................145                 Diagnostic Procedure ..............................................198
DTC P0740 TORQUE CONVERTER CLUTCH                                                    DTC CONTROL UNIT (EEPROM) ..............................199
SOLENOID VALVE......................................................146                Description ...............................................................199
  Description ...............................................................146       Diagnostic Procedure ..............................................200
  Wiring Diagram - AT - TCV......................................148                 TROUBLE DIAGNOSES FOR SYMPTOMS ...............201
  Diagnostic Procedure ..............................................149               Wiring Diagram - AT - NONDTC .............................201
  Component Inspection.............................................150                 1. O/D OFF Indicator Lamp Does Not Come On....204
DTC P0744 IMPROPER LOCK-UP OPERATION ......151                                         2. Engine Cannot Be Started In P and N Position..206
  Description ...............................................................151       3. In P Position, Vehicle Moves Forward Or
  Wiring Diagram - AT - TCCSIG ...............................153                      Backward When Pushed .........................................207
  Diagnostic Procedure ..............................................154               4. In N Position, Vehicle Moves ..............................208
  Component Inspection.............................................157                 5. Large Shock. N -> R Position .............................210
DTC P0745 LINE PRESSURE SOLENOID VALVE ...158                                          6. Vehicle Does Not Creep Backward In R
  Description ...............................................................158       Position ....................................................................212
  Wiring Diagram - AT - LPSV....................................160                    7. Vehicle Does Not Creep Forward In D, 2 Or 1
  Diagnostic Procedure ..............................................161               Position ....................................................................215
  Component Inspection.............................................162                 8. Vehicle Cannot Be Started From D1 ...................218
DTC P0750 SHIFT SOLENOID VALVE A ..................163                                 9. A/T Does Not Shift: D1 -> D2 Or Does Not
  Description ...............................................................163       Kickdown: D4 -> D2..................................................221
  Wiring Diagram - AT - SSV/A ..................................165                    10. A/T Does Not Shift: D2 -> D3.............................224
  Diagnostic Procedure ..............................................166               11. A/T Does Not Shift: D3 -> D4 .............................227
  Component Inspection.............................................167                 12. A/T Does Not Perform Lock-up .........................230
DTC P0755 SHIFT SOLENOID VALVE B ..................168                                 13. A/T Does Not Hold Lock-up Condition ..............232
  Description ...............................................................168       14. Lock-up Is Not Released...................................234
  Wiring Diagram - AT - SSV/B ..................................170                    15. Engine Speed Does Not Return To Idle (Light
  Diagnostic Procedure ..............................................171               Braking D4 -> D3).....................................................235
  Component Inspection.............................................172                 16. Vehicle Does Not Start From D1 .......................237
DTC P1705 THROTTLE POSITION SENSOR ...........173                                      17. A/T Does Not Shift: D4 -> D3, When
  Description ...............................................................173       Overdrive Control Switch ON -> OFF .....................238
  Wiring Diagram - AT - TPS......................................176                   18. A/T Does Not Shift: D3 -> 22, When Selector
  Diagnostic Procedure ..............................................177               Lever D -> 2 Position ..............................................239
  Component Inspection.............................................180                 19. A/T Does Not Shift: 22 -> 11, When Selector
DTC P1760 OVERRUN CLUTCH SOLENOID                                                      Lever 2 -> 1 Position ...............................................240
VALVE..........................................................................182     20. Vehicle Does Not Decelerate By Engine
  Description ...............................................................182       Brake........................................................................241
  Wiring Diagram - AT - OVRCSV..............................184                        21. TCM Self-diagnosis Does Not Activate (PNP,
  Diagnostic Procedure ..............................................185               Overdrive Control and Throttle Position Switches
  Component Inspection.............................................186                 Circuit Checks) ........................................................241
                                                                                     A/T SHIFT LOCK SYSTEM.........................................249




                                                                                AT-2
                                                    CONTENTS                                  (Cont'd)
  Description ...............................................................249      Reverse Clutch ........................................................294      GI
  Wiring Diagram - SHIFT -........................................250                 High Clutch ..............................................................298
  Diagnostic Procedure ..............................................251              Forward and Overrun Clutches ...............................300
  Component Check ...................................................253              Low & Reverse Brake..............................................304            MA
KEY INTERLOCK CABLE ..........................................254                     Forward Clutch Drum Assembly..............................308
  Components.............................................................254          Rear Internal Gear and Forward Clutch Hub ..........310
  Removal...................................................................254       Band Servo Piston Assembly ..................................313
                                                                                                                                                                      EM
  Installation................................................................255     Parking Pawl Components ......................................317
ON-VEHICLE SERVICE ..............................................256                ASSEMBLY..................................................................319     LC
  Control Valve Assembly and Accumulators.............256                             Assembly (1)............................................................319
  Revolution Sensor Replacement .............................257                      Adjustment ...............................................................327
  Rear Oil Seal Replacement.....................................257                   Assembly (2)............................................................329     EC
  Parking Components Inspection..............................257                    SERVICE DATA AND SPECIFICATIONS (SDS) .......336
  Park/Neutral Position (PNP) Switch Adjustment .....258                              General Specifications.............................................336
  Manual Control Linkage Adjustment........................258                        Shift Schedule..........................................................336     FE
REMOVAL AND INSTALLATION ...............................259                           Stall Revolution........................................................336
  Removal...................................................................259       Line Pressure...........................................................336     CL
  Installation................................................................260     Return Springs.........................................................337
OVERHAUL .................................................................262         Accumulator O-ring..................................................338
  Components.............................................................262          Clutches and Brakes ...............................................338          MT
  Oil Channel ..............................................................264       Oil Pump and Low One-way Clutch ........................340
  Locations of Needle Bearings, Thrust Washers                                        Total End Play..........................................................340
  and Snap Rings .......................................................265           Reverse Clutch Drum End Play ..............................341
DISASSEMBLY............................................................266            Removal and Installation .........................................341
REPAIR FOR COMPONENT PARTS .........................277                               Shift Solenoid Valves...............................................341
                                                                                                                                                                      TF
  Oil Pump ..................................................................277      Solenoid Valves .......................................................341
  Control Valve Assembly...........................................281                A/T Fluid Temperature Sensor.................................341
  Control Valve Upper Body .......................................287                 Revolution Sensor ...................................................341        PD
  Control Valve Lower Body .......................................292                 Dropping Resistor ....................................................341

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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)
                                                                                GST*2

 A/T 1ST GR FNCTN                                                               P0731                            AT-119

 A/T 2ND GR FNCTN                                                               P0732                            AT-125

 A/T 3RD GR FNCTN                                                               P0733                            AT-131

 A/T 4TH GR FNCTN                                                               P0734                            AT-137

 A/T TCC S/V FNCTN                                                              P0744                            AT-151

 ATF TEMP SEN/CIRC                                                              P0710                            AT-104

 ENGINE SPEED SIG                                                               P0725                            AT-115

 L/PRESS SOL/CIRC                                                               P0745                            AT-158

 O/R CLTCH SOL/CIRC                                                             P1760                            AT-182

 PNP SW/CIRC                                                                    P0705                            AT-98

 SFT SOL A/CIRC*3                                                               P0750                            AT-163

 SFT SOL B/CIRC*3                                                               P0755                            AT-168

 TCC SOLENOID/CIRC                                                              P0740                            AT-146

 TP SEN/CIRC A/T*3                                                              P1705                            AT-173

 VEH SPD SEN/CIR AT*1                                                           P0720                            AT-110

*1: The MIL illuminates when both the "Revolution sensor signal" and the "Vehicle speed sensor signal" meet the fail-safe condition at
the same time.
*2: These numbers are prescribed by SAE J2012.
*3: When the fail-safe operation occurs, the MIL illuminates.




                                                               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
                                                     (CONSULT-II screen terms)
            GST*2
                                                                                                                                           MA
             P0705                PNP SW/CIRC                                                                    AT-98

             P0710                ATF TEMP SEN/CIRC                                                              AT-104
                                                                                                                                           EM
             P0720                VEH SPD SEN/CIR AT*1                                                           AT-110

             P0725                ENGINE SPEED SIG                                                               AT-115
                                                                                                                                           LC
             P0731                A/T 1ST GR FNCTN                                                               AT-119

             P0732                A/T 2ND GR FNCTN                                                               AT-125                    EC
             P0733                A/T 3RD GR FNCTN                                                               AT-131

             P0734                A/T 4TH GR FNCTN                                                               AT-137                    FE
             P0740                TCC SOLENOID/CIRC                                                              AT-146

             P0744                A/T TCC S/V FNCTN                                                              AT-151                    CL
             P0745                L/PRESS SOL/CIRC                                                               AT-158

             P0750                SFT SOL A/CIRC*3                                                               AT-163                    MT
             P0755                SFT SOL B/CIRC*3                                                               AT-168

             P1705                TP SEN/CIRC A/T*3                                                              AT-173

             P1760                O/R CLTCH SOL/CIRC                                                             AT-182

*1: The MIL illuminates when both the "Revolution sensor signal" and the "Vehicle speed sensor signal" meet the fail-safe condition at
                                                                                                                                           TF
the same time.
*2: These numbers are prescribed by SAE J2012.
*3: When the fail-safe operation occurs, the MIL illuminates.                                                                              PD

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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, 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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