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AUTOMATIC TRANSAXLE GI
SECTION AT MA
EM
LC
EC
CONTENTS FE
TROUBLE DIAGNOSIS - INDEX ....................................5 Road Test...................................................................70
CL
Alphabetical & P No. Index for DTC ...........................5 TROUBLE DIAGNOSIS - GENERAL
PRECAUTIONS ...............................................................7 DESCRIPTION ...............................................................88 MT
Supplemental Restraint System (SRS) AIR Symptom Chart..........................................................88
BAG and SEAT BELT PRE-TENSIONER...............7 TCM Terminals and Reference Value........................99
Precautions for On Board Diagnostic (OBD) TROUBLE DIAGNOSIS FOR POWER SUPPLY........102
System of A/T and Engine...........................................7 Wiring Diagram - AT - MAIN....................................102
Precautions ..................................................................8 Diagnostic Procedure ..............................................103
Service Notice or Precautions .....................................9 DTC U1000 CAN COMMUNICATION LINE ...............105
AX
Wiring Diagrams and Trouble Diagnosis...................10 Description ...............................................................105
PREPARATION .............................................................11 On Board Diagnosis Logic.......................................105 SU
Special Service Tools ................................................11 Possible Cause........................................................105
Commercial Service Tools .........................................14 Diagnostic Trouble Code (DTC) Confirmation
OVERALL SYSTEM ......................................................15 Procedure ................................................................106 BR
A/T Electrical Parts Location .....................................15 Wiring Diagram - AT - CAN .....................................107
Circuit Diagram ..........................................................16 Diagnostic Procedure ..............................................108
Cross-sectional View .................................................17 DTC P0705 PARK/NEUTRAL POSITION SWITCH ...109 ST
Hydraulic Control Circuit............................................18 Description ...............................................................109
Shift Mechanism ........................................................19 On Board Diagnosis Logic.......................................109
RS
Control System ..........................................................28 Possible Cause........................................................110
CAN Communication .................................................29 Diagnostic Trouble Code (DTC) Confirmation
Control Mechanism....................................................31 Procedure ................................................................110 BT
Control Valve .............................................................35 Wiring Diagram - AT - PNP/SW............................... 111
ON BOARD DIAGNOSTIC SYSTEM Diagnostic Procedure ..............................................112
DESCRIPTION ...............................................................37 DTC P0710 A/T FLUID TEMPERATURE SENSOR HA
Introduction ................................................................37 CIRCUIT .......................................................................115
OBD-II Function for A/T System................................37 Description ...............................................................115
One or Two Trip Detection Logic of OBD-II ..............37 On Board Diagnosis Logic.......................................115
SC
OBD-II Diagnostic Trouble Code (DTC) ....................37 Possible Cause........................................................116
Malfunction Indicator Lamp (MIL)..............................41 Diagnostic Trouble Code (DTC) Confirmation EL
CONSULT-II ...............................................................41 Procedure ................................................................116
Diagnostic Procedure Without CONSULT-II..............53 Wiring Diagram - AT - FTS ......................................117
TROUBLE DIAGNOSIS - INTRODUCTION..................59 Diagnostic Procedure ..............................................118 IDX
Introduction ................................................................59 DTC P0720 VEHICLE SPEED SENSOR.A/T
Work Flow..................................................................63 (REVOLUTION SENSOR) ...........................................121
TROUBLE DIAGNOSIS - BASIC INSPECTION ...........65 Description ...............................................................121
A/T Fluid Check .........................................................65 On Board Diagnosis Logic.......................................121
Stall Test ....................................................................65 Possible Cause........................................................121
Line Pressure Test.....................................................69
CONTENTS (Cont'd)
Diagnostic Trouble Code (DTC) Confirmation Diagnostic Procedure ..............................................161
Procedure ................................................................122 DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) ....163
Wiring Diagram - AT - VSSA/T ................................123 Description ...............................................................163
Diagnostic Procedure ..............................................124 On Board Diagnosis Logic.......................................163
DTC P0725 ENGINE SPEED SIGNAL .......................126 Possible Cause........................................................164
Description ...............................................................126 Diagnostic Trouble Code (DTC) Confirmation
On Board Diagnosis Logic.......................................126 Procedure ................................................................164
Possible Cause........................................................126 Wiring Diagram - AT - TCCSIG ...............................166
Diagnostic Trouble Code (DTC) Confirmation Diagnostic Procedure ..............................................167
Procedure ................................................................127 DTC P0745 LINE PRESSURE SOLENOID VALVE ...173
Wiring Diagram - AT - ENGSS ................................128 Description ...............................................................173
Diagnostic Procedure ..............................................129 On Board Diagnosis Logic.......................................173
DTC P0731 A/T 1ST GEAR FUNCTION ....................131 Possible Cause........................................................174
Description ...............................................................131 Diagnostic Trouble Code (DTC) Confirmation
On Board Diagnosis Logic.......................................131 Procedure ................................................................174
Possible Cause........................................................132 Wiring Diagram - AT - LPSV....................................175
Diagnostic Trouble Code (DTC) Confirmation Diagnostic Procedure ..............................................176
Procedure ................................................................132 DTC P0750 SHIFT SOLENOID VALVE A ..................179
Wiring Diagram - AT - 1ST ......................................134 Description ...............................................................179
Diagnostic Procedure ..............................................135 On Board Diagnosis Logic.......................................179
DTC P0732 A/T 2ND GEAR FUNCTION....................137 Possible Cause........................................................179
Description ...............................................................137 Diagnostic Trouble Code (DTC) Confirmation
On Board Diagnosis Logic.......................................137 Procedure ................................................................180
Possible Cause........................................................138 Wiring Diagram - AT - SSV/A ..................................181
Diagnostic Trouble Code (DTC) Confirmation Diagnostic Procedure ..............................................182
Procedure ................................................................138 DTC P0755 SHIFT SOLENOID VALVE B ..................184
Wiring Diagram - AT - 2ND......................................140 Description ...............................................................184
Diagnostic Procedure ..............................................141 On Board Diagnosis Logic.......................................184
DTC P0733 A/T 3RD GEAR FUNCTION....................143 Possible Cause........................................................184
Description ...............................................................143 Diagnostic Trouble Code (DTC) Confirmation
On Board Diagnosis Logic.......................................143 Procedure ................................................................185
Possible Cause........................................................144 Wiring Diagram - AT - SSV/B ..................................186
Diagnostic Trouble Code (DTC) Confirmation Diagnostic Procedure ..............................................187
Procedure ................................................................144 DTC P1705 ACCELERATOR PEDAL POSITION
Wiring Diagram - AT - 3RD......................................146 SENSOR (THROTTLE POSITION SENSOR).............189
Diagnostic Procedure ..............................................147 Description ...............................................................189
DTC P0734 A/T 4TH GEAR FUNCTION ....................149 On Board Diagnosis Logic.......................................190
Description ...............................................................149 Possible Cause........................................................190
On Board Diagnosis Logic.......................................150 Diagnostic Trouble Code (DTC) Confirmation
Possible Cause........................................................150 Procedure ................................................................191
Diagnostic Trouble Code (DTC) Confirmation Wiring Diagram - AT - TPS......................................192
Procedure ................................................................151 Diagnostic Procedure ..............................................193
Wiring Diagram - AT - 4TH ......................................153 DTC P1760 OVERRUN CLUTCH SOLENOID
Diagnostic Procedure ..............................................154 VALVE..........................................................................196
DTC P0740 TORQUE CONVERTER CLUTCH Description ...............................................................196
SOLENOID VALVE......................................................158 On Board Diagnosis Logic.......................................196
Description ...............................................................158 Possible Cause........................................................196
On Board Diagnosis Logic.......................................158 Diagnostic Trouble Code (DTC) Confirmation
Possible Cause........................................................158 Procedure ................................................................197
Diagnostic Trouble Code (DTC) Confirmation Wiring Diagram - AT - OVRCSV..............................198
Procedure ................................................................159 Diagnostic Procedure ..............................................199
Wiring Diagram - AT - TCV......................................160
AT-2
CONTENTS (Cont'd)
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP A/T Does Not Shift: D1 -> D2 or Does Not GI
SENSOR CIRCUIT AND TCM POWER SOURCE) ....201 Kickdown: D4 -> D2..................................................242
Description ...............................................................201 A/T Does Not Shift: D2 -> D3...................................245
On Board Diagnosis Logic.......................................202 A/T Does Not Shift: D3 -> D4...................................248 MA
Possible Cause........................................................202 A/T Does Not Perform Lock-up ...............................251
Diagnostic Trouble Code (DTC) Confirmation A/T Does Not Hold Lock-up Condition ....................253
Procedure ................................................................202 Lock-up Is Not Released .........................................255
EM
Wiring Diagram - AT - BA/FTS ................................203 Engine Speed Does Not Return To Idle (Light
Diagnostic Procedure ..............................................204 Braking D4 -> D3).....................................................256 LC
DTC VEHICLE SPEED SENSOR.MTR .......................208 Vehicle Does Not Start From D1 .............................259
Description ...............................................................208 A/T Does Not Shift: D4 -> D3, When 3rd Position
On Board Diagnosis Logic.......................................208 Switch ON -> OFF...................................................260 EC
Possible Cause........................................................208 A/T Does Not Shift: D3 -> 22, When Selector
Diagnostic Trouble Code (DTC) Confirmation Lever D -> 2nd Position ..........................................261
Procedure ................................................................209 A/T Does Not Shift: 22 -> 11, When Selector FE
Wiring Diagram - AT - VSSMTR..............................210 Lever 2nd -> 1st Position ........................................262
Diagnostic Procedure ..............................................211 Vehicle Does Not Decelerate By Engine Brake ......265 CL
DTC POWER TRAIN REVOLUTION SENSOR ..........213 TCM Self-diagnosis Does Not Activate ...................267
Description ...............................................................213 A/T SHIFT LOCK SYSTEM.........................................276
On Board Diagnosis Logic.......................................213 Description ...............................................................276 MT
Diagnostic Trouble Code (DTC) Confirmation Shift Lock System Electrical Parts Location............276
Procedure ................................................................214 Wiring Diagram - SHIFT -........................................277
Wiring Diagram - AT - P/T SEN-01 .........................215 Shift Lock Control Unit Reference Values...............278
Diagnostic Procedure ..............................................216 Component Inspection.............................................279
Component Inspection.............................................217 SHIFT CONTROL SYSTEM ........................................281
AX
DTC CONTROL UNIT (RAM), CONTROL UNIT Control Cable...........................................................281
(ROM)...........................................................................218 ON-VEHICLE SERVICE ..............................................282
Description ...............................................................218 Control Valve Assembly and Accumulators.............282 SU
On Board Diagnosis Logic.......................................218 Revolution Sensor Replacement .............................283
Possible Cause........................................................218 Park/Neutral Position (PNP) Switch Adjustment .....283
Diagnostic Trouble Code (DTC) Confirmation Control Cable Adjustment........................................284 BR
Procedure ................................................................218 Differential Side Oil Seal Replacement ...................284
Diagnostic Procedure ..............................................219 REMOVAL AND INSTALLATION ...............................285
DTC CONTROL UNIT (EEP ROM) .............................220 Removal...................................................................285
ST
Description ...............................................................220 Installation................................................................286
On Board Diagnosis Logic.......................................220 OVERHAUL .................................................................288 RS
Possible Cause........................................................220 Components.............................................................288
Diagnostic Trouble Code (DTC) Confirmation Oil Channel ..............................................................291
Procedure ................................................................220 Locations of Adjusting Shims, Needle Bearings, BT
Diagnostic Procedure ..............................................221 Thrust Washers and Snap Rings ............................292
TROUBLE DIAGNOSES FOR SYMPTOMS ...............222 DISASSEMBLY............................................................293
Wiring Diagram - AT - NONDTC .............................222 REPAIR FOR COMPONENT PARTS .........................307 HA
A/T CHECK Indicator Lamp Does Not Come On ...224 Manual Shaft............................................................307
Engine Cannot Be Started In P and N Position......226 Oil Pump ..................................................................310
SC
In P Position, Vehicle Moves Forward or Control Valve Assembly...........................................314
Backward When Pushed .........................................228 Control Valve Upper Body .......................................322
In N Position, Vehicle Moves...................................229 Control Valve Lower Body .......................................326 EL
Large Shock. N -> R Position .................................231 Reverse Clutch ........................................................328
Vehicle Does Not Creep Backward In R Position ...233 High Clutch ..............................................................331
Vehicle Does Not Creep Forward in D, 2nd or Forward and Overrun Clutches ...............................336 IDX
1st Position ..............................................................236 Low & Reverse Brake..............................................341
Vehicle Cannot Be Started From D1 .......................239
AT-3
CONTENTS (Cont'd)
Rear Internal Gear, Forward Clutch Hub and Accumulator .............................................................382
Overrun Clutch Hub.................................................344 Clutch and Brakes ...................................................383
Output Shaft, Idler Gear, Reduction Pinion Gear Final Drive................................................................385
and Bearing Retainer...............................................348 Planetary Carrier and Oil Pump ..............................386
Band Servo Piston Assembly ..................................353 Input Shaft ...............................................................387
Final Drive................................................................358 Reduction Pinion Gear ............................................387
ASSEMBLY..................................................................362 Band Servo ..............................................................388
Assembly (1)............................................................362 Output Shaft.............................................................388
Adjustment (1) .........................................................362 Bearing Retainer......................................................389
Assembly (2)............................................................367 Total End Play..........................................................389
Adjustment (2) .........................................................373 Reverse Clutch End Play ........................................389
Assembly (3)............................................................375 Removal and Installation .........................................390
SERVICE DATA AND SPECIFICATIONS (SDS) .......381 Shift Solenoid Valves...............................................390
General Specifications.............................................381 Solenoid Valves .......................................................390
Shift Schedule..........................................................381 A/T Fluid Temperature Sensor.................................390
Stall Revolution........................................................381 Revolution Sensor (For Speed Sensor) ..................390
Line Pressure...........................................................382 Dropping Resistor ....................................................390
Control Valves..........................................................382 Power Train Revolution Sensor...............................390
AT-4
TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC
Alphabetical & P No. Index for DTC NFAT0001
ALPHABETICAL INDEX FOR DTC NFAT0001S01
GI
DTC
Items
Reference page
(CONSULT-II screen terms) CONSULT-II MA
GST*1
A/T 1ST GR FNCTN P0731 AT-131
EM
A/T 2ND GR FNCTN P0732 AT-137
A/T 3RD GR FNCTN P0733 AT-143
LC
A/T 4TH GR FNCTN P0734 AT-149
A/T TCC S/V FNCTN P0744 AT-163
EC
ATF TEMP SEN/CIRC P0710 AT-115
CAN COMM CIRCUIT U1000 AT-105 FE
ENGINE SPEED SIG P0725 AT-126
L/PRESS SOL/CIRC P0745 AT-173 CL
O/R CLTCH SOL/CIRC P1760 AT-196
PNP SW/CIRC P0705 AT-109 MT
SFT SOL A/CIRC*2 P0750 AT-179
SFT SOL B/CIRC*2 P0755 AT-184
TCC SOLENOID/CIRC P0740 AT-158
TP SEN/CIRC A/T*2 P1705 AT-189 AX
VEH SPD SEN/CIR AT*3 P0720 AT-121
*1: These numbers are prescribed by SAE J2012.
SU
*2: When the fail-safe operation occurs, the MIL illuminates.
*3: The MIL illuminates when both the "Revolution sensor signal" and the "Vehicle speed sensor signal" meet the fail-safe condition at
the same time.
BR
ST
RS
BT
HA
SC
EL
IDX
AT-5
TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC (Cont'd)
P NO. INDEX FOR DTC =NFAT0001S02
DTC
Items
CONSULT-II Reference page
(CONSULT-II screen terms)
GST*1
P0705 PNP SW/CIRC AT-109
P0710 ATF TEMP SEN/CIRC AT-115
P0720 VEH SPD SEN/CIR AT*3 AT-121
P0725 ENGINE SPEED SIG AT-126
P0731 A/T 1ST GR FNCTN AT-131
P0732 A/T 2ND GR FNCTN AT-137
P0733 A/T 3RD GR FNCTN AT-143
P0734 A/T 4TH GR FNCTN AT-149
P0740 TCC SOLENOID/CIRC AT-158
P0744 A/T TCC S/V FNCTN AT-163
P0745 L/PRESS SOL/CIRC AT-173
P0750 SFT SOL A/CIRC*2 AT-179
P0755 SFT SOL B/CIRC*2 AT-184
P1705 TP SEN/CIRC A/T*2 AT-189
P1760 O/R CLTCH SOL/CIRC AT-196
U1000 CAN COMM CIRCUIT AT-105
*1: These numbers are prescribed by SAE J2012.
*2: When the fail-safe operation occurs, the MIL illuminates.
*3: 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-6
PRECAUTIONS
Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
Supplemental Restraint System (SRS) "AIR
BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER" used along with
NFAT0002
GI
a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of
collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS system MA
uses the seat belt switches to determine the front air bag deployment, and may only deploy one front air bag,
depending on the severity of a collision and whether the front occupants are belted or unbelted. The SRS
system composition which is available to NISSAN MODEL A33 is as follows: EM
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