Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Quest 1999-2002 Approved Nissan Quest 2000 AT
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AUTOMATIC TRANSAXLE GI
SECTION AT MA
EM
LC
EC
CONTENTS FE
TROUBLE DIAGNOSIS - INDEX ....................................4 TROUBLE DIAGNOSIS - GENERAL
Alphabetical & P No. Index for DTC ...........................4 DESCRIPTION ...............................................................84
PRECAUTIONS ...............................................................6 Symptom Chart..........................................................84 AX
Precautions for Supplemental Restraint System TCM Terminals and Reference Value........................95
(SRS) AIR BAG ........................................................6 TROUBLE DIAGNOSIS FOR POWER SUPPLY..........99
Precautions for On Board Diagnostic (OBD) Wiring Diagram - AT - MAIN......................................99 SU
System of A/T and Engine...........................................6 DTC P0705 PARK/NEUTRAL POSITION SWITCH ...102
Precautions ..................................................................6 Description ...............................................................102
Service Notice or Precautions .....................................8 Wiring Diagram - AT - PNP/SW...............................104
BR
Wiring Diagrams and Trouble Diagnosis.....................9 Diagnostic Procedure ..............................................105
PREPARATION .............................................................10 Component Inspection.............................................108 ST
Special Service Tools ................................................10 DTC P0710 A/T FLUID TEMPERATURE SENSOR
Commercial Service Tools .........................................12 CIRCUIT .......................................................................109
OVERALL SYSTEM ......................................................14 Description ...............................................................109 RS
A/T Electrical Parts Location .....................................14 Wiring Diagram - AT - FTS ...................................... 111
Circuit Diagram ..........................................................15 Diagnostic Procedure ..............................................112
Cross-sectional View .................................................16 Component Inspection.............................................115 BT
Hydraulic Control Circuit............................................17 DTC P0720 VEHICLE SPEED SENSOR.A/T
Shift Mechanism ........................................................18 (REVOLUTION SENSOR) ...........................................116
HA
Control System ..........................................................27 Description ...............................................................116
Control Mechanism....................................................29 Wiring Diagram - AT - VSSA/T ................................118
Control Valve .............................................................33 Diagnostic Procedure ..............................................119 SC
ON BOARD DIAGNOSTIC SYSTEM Component Inspection.............................................121
DESCRIPTION ...............................................................35 DTC P0725 ENGINE SPEED SIGNAL .......................122
Introduction ................................................................35 Description ...............................................................122 EL
OBD-II Function for A/T System................................35 Wiring Diagram - AT - ENGSS ................................123
One or Two Trip Detection Logic of OBD-II ..............35 Diagnostic Procedure ..............................................124
OBD-II Diagnostic Trouble Code (DTC) ....................35 DTC P0731 A/T 1ST GEAR FUNCTION ....................126
IDX
Malfunction Indicator Lamp (MIL)..............................38 Description ...............................................................126
CONSULT-II ...............................................................39 Wiring Diagram - AT - 1ST ......................................129
Diagnostic Procedure Without CONSULT-II..............48 Diagnostic Procedure ..............................................130
TROUBLE DIAGNOSIS - INTRODUCTION..................55 Component Inspection.............................................131
Introduction ................................................................55 DTC P0732 A/T 2ND GEAR FUNCTION....................132
Work Flow..................................................................59 Description ...............................................................132
TROUBLE DIAGNOSIS - BASIC INSPECTION ...........61 Wiring Diagram - AT - 2ND......................................135
A/T Fluid Check .........................................................61 Diagnostic Procedure ..............................................136
Stall Test ....................................................................61 Component Inspection.............................................137
Line Pressure Test.....................................................65 DTC P0733 A/T 3RD GEAR FUNCTION....................138
Road Test...................................................................66 Description ...............................................................138
CONTENTS (Cont'd)
Wiring Diagram - AT - 3RD......................................141 Description ...............................................................201
Diagnostic Procedure ..............................................142 Wiring Diagram - AT - VSSMTR..............................203
Component Inspection.............................................143 Diagnostic Procedure ..............................................204
DTC P0734 A/T 4TH GEAR FUNCTION ....................144 CONTROL UNIT (RAM), CONTROL UNIT (ROM).....205
Description ...............................................................144 Description ...............................................................205
Wiring Diagram - AT - 4TH ......................................148 On Board Diagnosis Logic.......................................205
Diagnostic Procedure ..............................................149 DTC Confirmation Procedure ..................................205
Component Inspection.............................................152 Diagnostic Procedure ..............................................206
DTC P0740 TORQUE CONVERTER CLUTCH CONTROL UNIT (EEP ROM)......................................207
SOLENOID VALVE......................................................153 Description ...............................................................207
Description ...............................................................153 On Board Diagnosis Logic.......................................207
Wiring Diagram - AT - TCV......................................155 DTC Confirmation Process......................................207
Diagnostic Procedure ..............................................156 Diagnostic Procedure ..............................................208
Component Inspection.............................................157 TROUBLE DIAGNOSES FOR SYMPTOMS ...............209
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) ....158 Wiring Diagram - AT - NONDTC .............................209
Description ...............................................................158 1. O/D OFF Indicator Lamp Does Not Come On....212
Wiring Diagram - AT - TCCSIG ...............................160 2. Engine Cannot Be Started In P and N Position..214
Diagnostic Procedure ..............................................161 3. In P Position, Vehicle Moves Forward or
Component Inspection.............................................165 Backward When Pushed .........................................215
DTC P0745 LINE PRESSURE SOLENOID VALVE ...166 4. In N Position, Vehicle Moves ..............................216
Description ...............................................................166 5. Large Shock. N -> R Position .............................218
Wiring Diagram - AT - LPSV....................................168 6. Vehicle Does Not Creep Backward In R
Diagnostic Procedure ..............................................169 Position ....................................................................220
Component Inspection.............................................171 7. Vehicle Does Not Creep Forward in D, 2 or 1
DTC P0750 SHIFT SOLENOID VALVE A ..................172 Position ....................................................................224
Description ...............................................................172 8. Vehicle Cannot Be Started From D1 ...................227
Wiring Diagram - AT - SSV/A ..................................174 9. A/T Does Not Shift: D1 -> D2 or Does Not
Diagnostic Procedure ..............................................175 Kickdown: D4 -> D2..................................................230
Component Inspection.............................................176 10. A/T Does Not Shift: D2 -> D3.............................233
DTC P0755 SHIFT SOLENOID VALVE B ..................177 11. A/T Does Not Shift: D3 -> D4 .............................236
Description ...............................................................177 12. A/T Does Not Perform Lock-up .........................239
Wiring Diagram - AT - SSV/B ..................................179 13. A/T Does Not Hold Lock-up Condition ..............241
Diagnostic Procedure ..............................................180 14. Lock-up Is Not Released...................................243
Component Inspection.............................................181 15. Engine Speed Does Not Return To Idle (Light
DTC P1705 THROTTLE POSITION SENSOR ...........182 Braking D4 -> D3).....................................................244
Description ...............................................................182 16. Vehicle Does Not Start From D1 .......................246
Wiring Diagram - AT - TPS......................................184 17. A/T Does Not Shift: D4 -> D3, When
Diagnostic Procedure ..............................................185 Overdrive Control Switch ON -> OFF .....................247
Component Inspection.............................................188 18. A/T Does Not Shift: D3 -> 22, When Selector
DTC P1760 OVERRUN CLUTCH SOLENOID Lever D -> 2 Position ..............................................248
VALVE..........................................................................189 19. A/T Does Not Shift: 22 -> 11, When Selector
Description ...............................................................189 Lever 2 -> 1 Position ...............................................249
Wiring Diagram - AT - OVRCSV..............................191 20. Vehicle Does Not Decelerate By Engine
Diagnostic Procedure ..............................................192 Brake........................................................................250
Component Inspection.............................................193 21. TCM Self-diagnosis Does Not Activate (PNP,
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP Overdrive Control and Throttle Position Switches
SENSOR CIRCUIT AND TCM POWER SOURCE) ....194 Circuit Checks) ........................................................250
Description ...............................................................194 A/T SHIFT LOCK SYSTEM.........................................259
Wiring Diagram - AT - BA/FTS ................................196 Description ...............................................................259
Diagnostic Procedure ..............................................197 Wiring Diagram - SHIFT -........................................260
Component Inspection.............................................200 Shift Lock System Electrical Parts Location............261
DTC VEHICLE SPEED SENSOR.MTR .......................201 Removal...................................................................261
AT-2
CONTENTS (Cont'd)
Diagnostic Procedure ..............................................262 Band Servo Piston Assembly ..................................337 GI
Installation and Adjustment......................................264 Final Drive................................................................342
Component Check ...................................................265 ASSEMBLY..................................................................346
ON-VEHICLE SERVICE ..............................................266 Assembly (1)............................................................346 MA
Control Valve Assembly and Accumulators.............266 Adjustment (1) .........................................................346
Revolution Sensor Replacement .............................267 Assembly (2)............................................................351
Park/Neutral Position (PNP) Switch Adjustment .....267 Adjustment (2) .........................................................357
EM
Control Cable Adjustment........................................268 Assembly (3)............................................................359
Differential Side Oil Seal Replacement ...................268 SERVICE DATA AND SPECIFICATIONS (SDS) .......365 LC
REMOVAL AND INSTALLATION ...............................269 General Specifications.............................................365
Removal...................................................................269 Shift Schedule..........................................................365
Installation................................................................270 Stall Revolution........................................................365 EC
OVERHAUL .................................................................272 Line Pressure...........................................................365
Components.............................................................272 Control Valves..........................................................366
Oil Channel ..............................................................275 Accumulator .............................................................366 FE
Locations of Adjusting Shims, Needle Bearings, Clutch and Brakes ...................................................367
Thrust Washers and Snap Rings ............................276 Final Drive................................................................368
DISASSEMBLY............................................................277 Planetary Carrier and Oil Pump ..............................369
REPAIR FOR COMPONENT PARTS .........................291 Input Shaft ...............................................................370
Manual Shaft............................................................291 Reduction Pinion Gear ............................................370 AX
Oil Pump ..................................................................294 Band Servo ..............................................................371
Control Valve Assembly...........................................298 Output Shaft.............................................................371
Control Valve Upper Body .......................................306 Bearing Retainer......................................................372 SU
Control Valve Lower Body .......................................310 Total End Play..........................................................372
Reverse Clutch ........................................................312 Reverse Clutch End Play ........................................372
BR
High Clutch ..............................................................315 Removal and Installation .........................................373
Forward and Overrun Clutches ...............................320 Shift Solenoid Valves...............................................373
Low & Reverse Brake..............................................325 Solenoid Valves .......................................................373 ST
Rear Internal Gear, Forward Clutch Hub and A/T Fluid Temperature Sensor.................................373
Overrun Clutch Hub.................................................328 Revolution Sensor ...................................................373
Output Shaft, Idler Gear, Reduction Pinion Gear Dropping Resistor ....................................................374 RS
and Bearing Retainer...............................................332
BT
HA
SC
EL
IDX
AT-3
TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC
Alphabetical & P No. Index for DTC NDAT0001
ALPHABETICAL INDEX FOR DTC NDAT0001S01
DTC
Items
CONSULT-II Reference page
(CONSULT-II screen terms) ECM*1
GST*2
A/T 1ST GR FNCTN 1103 P0731 AT-126
A/T 2ND GR FNCTN 1104 P0732 AT-132
A/T 3RD GR FNCTN 1105 P0733 AT-138
A/T 4TH GR FNCTN 1106 P0734 AT-144
A/T TCC S/V FNCTN 1107 P0744 AT-158
ATF TEMP SEN/CIRC 1208 P0710 AT-109
ENGINE SPEED SIG 1207 P0725 AT-122
L/PRESS SOL/CIRC 1205 P0745 AT-166
O/R CLTCH SOL/CIRC 1203 P1760 AT-189
PNP SW/CIRC 1101 P0705 AT-102
SFT SOL A/CIRC*3 1108 P0750 AT-172
SFT SOL B/CIRC*3 1201 P0755 AT-177
TCC SOLENOID/CIRC 1204 P0740 AT-153
TP SEN/CIRC A/T*3 1206 P1705 AT-182
VEH SPD SEN/CIR AT*4 1102 P0720 AT-116
*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 =NDAT0001S02
DTC GI
Items
CONSULT-II Reference page
ECM*1 (CONSULT-II screen terms)
GST*2
MA
P0705 1101 PNP SW/CIRC AT-102
P0710 1208 ATF TEMP SEN/CIRC AT-109
EM
P0720 1102 VEH SPD SEN/CIR AT*4 AT-116
P0725 1207 ENGINE SPEED SIG AT-122
LC
P0731 1103 A/T 1ST GR FNCTN AT-126
P0732 1104 A/T 2ND GR FNCTN AT-132 EC
P0733 1105 A/T 3RD GR FNCTN AT-138
P0734 1106 A/T 4TH GR FNCTN AT-144 FE
P0740 1204 TCC SOLENOID/CIRC AT-153
P0744 1107 A/T TCC S/V FNCTN AT-158
P0745 1205 L/PRESS SOL/CIRC AT-166
P0750 1108 SFT SOL A/CIRC*3 AT-172 AX
P0755 1201 SFT SOL B/CIRC*3 AT-177
P1705 1206 TP SEN/CIRC A/T*3 AT-182 SU
P1760 1203 O/R CLTCH SOL/CIRC AT-189
*1: In Diagnostic Test Mode II (Self-diagnostic results), these numbers are controlled by NISSAN.
BR
*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
ST
the same time.
RS
BT
HA
SC
EL
IDX
AT-5
PRECAUTIONS
Precautions for Supplemental Restraint System (SRS) "AIR BAG"
Precautions for Supplemental Restraint System
(SRS) "AIR BAG" NDAT0002
The Supplemental Restraint System "AIR BAG", used along with a seat belt, helps to reduce the risk or severity
of injury to the driver and front passenger in a frontal collision. The Supplemental Restraint System consists
of air bag modules (located in the center of the steering wheel and in the instrument panel on the passenger
side), a diagnosis sensor unit, warning lamp, wiring harness and spiral cable. Information necessary to ser-
vice the system safely is included in the RS section of this Service Manual.
WARNING:
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