Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Frontier 1998-2002 Approved Nissan Frontier 2000 VG33E AT
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AUTOMATIC TRANSMISSION GI
MA
SECTION AT EM
LC
EC
FE
CONTENTS
CL
TROUBLE DIAGNOSIS - INDEX ....................................4 TROUBLE DIAGNOSIS - GENERAL
Alphabetical & P No. Index for DTC ...........................4 DESCRIPTION ...............................................................81
PRECAUTIONS ...............................................................6 Symptom Chart..........................................................81 MT
Precautions for Supplemental Restraint System TCM Terminals and Reference Value........................92
(SRS) AIR BAG ........................................................6 TROUBLE DIAGNOSIS FOR POWER SUPPLY..........96
Precautions for On Board Diagnostic (OBD) Wiring Diagram - AT - MAIN......................................96
AT
System of A/T and Engine...........................................6 DTC P0705 PARK/NEUTRAL POSITION SWITCH .....99
Precautions ..................................................................7 Description .................................................................99 TF
Service Notice or Precautions .....................................8 Wiring Diagram - AT - PNP/SW...............................101
Wiring Diagrams and Trouble Diagnosis.....................9 Diagnostic Procedure ..............................................102
PREPARATION .............................................................10 Component Inspection.............................................104 PD
Special Service Tools ................................................10 DTC P0710 A/T FLUID TEMPERATURE SENSOR
OVERALL SYSTEM ......................................................12 CIRCUIT .......................................................................105
A/T Electrical Parts Location .....................................12 Description ...............................................................105 FA
Circuit Diagram ..........................................................13 Wiring Diagram - AT - FTS ......................................107
Cross-sectional View .................................................14 Diagnostic Procedure ..............................................108
Hydraulic Control Circuit............................................15 Component Inspection.............................................110 RA
Shift Mechanism ........................................................16 DTC P0720 VEHICLE SPEED SENSOR.A/T
Control System ..........................................................25 (REVOLUTION SENSOR) ........................................... 111
Control Mechanism....................................................26 Description ............................................................... 111
BR
Control Valve .............................................................31 Wiring Diagram - AT - VSSA/T ................................113
ON BOARD DIAGNOSTIC SYSTEM Diagnostic Procedure ..............................................114 ST
DESCRIPTION ...............................................................33 Component Inspection.............................................115
Introduction ................................................................33 DTC P0725 ENGINE SPEED SIGNAL .......................116
OBD-II Function for A/T System................................33 Description ...............................................................116 RS
One or Two Trip Detection Logic of OBD-II ..............33 Wiring Diagram - AT - ENGSS ................................118
OBD-II Diagnostic Trouble Code (DTC) ....................33 Diagnostic Procedure ..............................................119
Malfunction Indicator Lamp (MIL)..............................37 DTC P0731 IMPROPER SHIFTING TO 1ST GEAR BT
CONSULT ..................................................................37 POSITION ....................................................................121
Diagnostic Procedure Without CONSULT.................46 Description ...............................................................121
TROUBLE DIAGNOSIS - INTRODUCTION..................53 Wiring Diagram - AT - 1ST ......................................124 HA
Introduction ................................................................53 Diagnostic Procedure ..............................................125
Work Flow..................................................................57 Component Inspection.............................................126
TROUBLE DIAGNOSIS - BASIC INSPECTION ...........59 DTC P0732 IMPROPER SHIFTING TO 2ND GEAR
EL
A/T Fluid Check .........................................................59 POSITION ....................................................................127
Stall Test ....................................................................59 Description ...............................................................127 IDX
Line Pressure Test.....................................................62 Wiring Diagram - AT - 2ND......................................130
Road Test...................................................................63 Diagnostic Procedure ..............................................131
Component Inspection.............................................132
CONTENTS (Cont'd)
DTC P0733 IMPROPER SHIFTING TO 3RD GEAR Wiring Diagram - AT - BA/FTS ................................197
POSITION ....................................................................133 Diagnostic Procedure ..............................................198
Description ...............................................................133 Component Inspection.............................................200
Wiring Diagram - AT - 3RD......................................136 VEHICLE SPEED SENSOR.MTR................................201
Diagnostic Procedure ..............................................137 Description ...............................................................201
Component Inspection.............................................138 Wiring Diagram - AT - VSSMTR..............................203
DTC P0734 IMPROPER SHIFTING TO 4TH GEAR Diagnostic Procedure ..............................................204
POSITION ....................................................................139 DTC CONTROL UNIT (RAM), CONTROL UNIT
Description ...............................................................139 (ROM)...........................................................................205
Wiring Diagram - AT - 4TH ......................................143 Description ...............................................................205
Diagnostic Procedure ..............................................144 Diagnostic Procedure ..............................................206
Component Inspection.............................................149 DTC CONTROL UNIT (EEPROM) ..............................207
DTC P0740 TORQUE CONVERTER CLUTCH Description ...............................................................207
SOLENOID VALVE......................................................150 Diagnostic Procedure ..............................................208
Description ...............................................................150 TROUBLE DIAGNOSES FOR SYMPTOMS ...............209
Wiring Diagram - AT - TCV......................................152 Wiring Diagram - AT - NONDTC .............................209
Diagnostic Procedure ..............................................153 1. O/D OFF Indicator Lamp Does Not Come On....212
Component Inspection.............................................154 2. Engine Cannot Be Started In P and N Position..214
DTC P0744 IMPROPER LOCK-UP OPERATION ......155 3. In P Position, Vehicle Moves Forward Or
Description ...............................................................155 Backward When Pushed .........................................215
Wiring Diagram - AT - TCCSIG ...............................158 4. In N Position, Vehicle Moves ..............................216
Diagnostic Procedure ..............................................159 5. Large Shock. N -> R Position .............................218
Component Inspection.............................................164 6. Vehicle Does Not Creep Backward In R
DTC P0745 LINE PRESSURE SOLENOID VALVE ...165 Position ....................................................................220
Description ...............................................................165 7. Vehicle Does Not Creep Forward In D, 2 Or 1
Wiring Diagram - AT - LPSV....................................167 Position ....................................................................223
Diagnostic Procedure ..............................................168 8. Vehicle Cannot Be Started From D1 ...................226
Component Inspection.............................................169 9. A/T Does Not Shift: D1 -> D2 Or Does Not
DTC P0750 SHIFT SOLENOID VALVE A ..................171 Kickdown: D4 -> D2..................................................229
Description ...............................................................171 10. A/T Does Not Shift: D2 -> D3.............................232
Wiring Diagram - AT - SSV/A ..................................173 11. A/T Does Not Shift: D3 -> D4 .............................235
Diagnostic Procedure ..............................................174 12. A/T Does Not Perform Lock-up .........................238
Component Inspection.............................................175 13. A/T Does Not Hold Lock-up Condition ..............240
DTC P0755 SHIFT SOLENOID VALVE B ..................176 14. Lock-up Is Not Released...................................242
Description ...............................................................176 15. Engine Speed Does Not Return To Idle (Light
Wiring Diagram - AT - SSV/B ..................................178 Braking D4 -> D3).....................................................243
Diagnostic Procedure ..............................................179 16. Vehicle Does Not Start From D1 .......................245
Component Inspection.............................................180 17. A/T Does Not Shift: D4 -> D3, When
DTC P1705 THROTTLE POSITION SENSOR ...........181 Overdrive Control Switch ON -> OFF .....................246
Description ...............................................................181 18. A/T Does Not Shift: D3 -> 22, When Selector
Wiring Diagram - AT - TPS......................................184 Lever D -> 2 Position ..............................................247
Diagnostic Procedure ..............................................185 19. A/T Does Not Shift: 22 -> 11, When Selector
Component Inspection.............................................189 Lever 2 -> 1 Position ...............................................248
DTC P1760 OVERRUN CLUTCH SOLENOID 20. Vehicle Does Not Decelerate By Engine
VALVE..........................................................................190 Brake........................................................................249
Description ...............................................................190 21. TCM Self-diagnosis Does Not Activate (PNP,
Wiring Diagram - AT - OVRCSV..............................192 Overdrive Control and Throttle Position Switches
Diagnostic Procedure ..............................................193 Circuit Checks) ........................................................249
Component Inspection.............................................194 A/T SHIFT LOCK SYSTEM.........................................257
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP Description ...............................................................257
SENSOR CIRCUIT AND TCM POWER SOURCE) ....195 Wiring Diagram - SHIFT -........................................258
Description ...............................................................195 Diagnostic Procedure ..............................................259
AT-2
CONTENTS (Cont'd)
GI
Component Check ...................................................261 Control Valve Lower Body .......................................300
KEY INTERLOCK CABLE ..........................................262 Reverse Clutch ........................................................302
Components.............................................................262 High Clutch ..............................................................306 MA
Removal...................................................................262 Forward and Overrun Clutches ...............................308
Installation................................................................263 Low & Reverse Brake..............................................312
ON-VEHICLE SERVICE ..............................................264 Forward Clutch Drum Assembly..............................316
EM
Control Valve Assembly and Accumulators.............264 Rear Internal Gear and Forward Clutch Hub ..........318
Revolution Sensor Replacement .............................265 Band Servo Piston Assembly ..................................321
LC
Rear Oil Seal Replacement.....................................265 Parking Pawl Components ......................................325
Parking Components Inspection..............................265 ASSEMBLY..................................................................327
Park/Neutral Position (PNP) Switch Adjustment .....265 Assembly (1)............................................................327 EC
Manual Control Linkage Adjustment........................266 Adjustment ...............................................................334
REMOVAL AND INSTALLATION ...............................267 Assembly (2)............................................................337
Removal...................................................................267 SERVICE DATA AND SPECIFICATIONS (SDS) .......344 FE
Installation................................................................268 General Specifications.............................................344
OVERHAUL .................................................................270 Shift Schedule..........................................................344
Components.............................................................270 Stall Revolution........................................................344 CL
Oil Channel ..............................................................272 Line Pressure...........................................................344
Locations of Needle Bearings, Thrust Washers Return Springs.........................................................345
and Snap Rings .......................................................273 Accumulator O-ring..................................................346 MT
DISASSEMBLY............................................................274 Clutches and Brakes ...............................................346
REPAIR FOR COMPONENT PARTS .........................285 Oil Pump and Low One-way Clutch ........................348
AT
Oil Pump ..................................................................285 Total End Play..........................................................348
Control Valve Assembly...........................................289 Reverse Clutch Drum End Play ..............................349
Control Valve Upper Body .......................................295 Removal and Installation .........................................349 TF
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
AT-3
TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC
Alphabetical & P No. Index for DTC NEAT0179
ALPHABETICAL INDEX FOR DTC NEAT0179S01
DTC
Items
CONSULT Reference page
(CONSULT screen terms) ECM*1
GST*2
A/T 1ST GR FNCTN 1103 P0731 AT-121
A/T 2ND GR FNCTN 1104 P0732 AT-127
A/T 3RD GR FNCTN 1105 P0733 AT-133
A/T 4TH GR FNCTN 1106 P0734 AT-139
A/T TCC S/V FNCTN 1107 P0744 AT-155
ATF TEMP SEN/CIRC 1208 P0710 AT-105
ENGINE SPEED SIG 1207 P0725 AT-116
L/PRESS SOL/CIRC 1205 P0745 AT-165
O/R CLTCH SOL/CIRC 1203 P1760 AT-190
PNP SW/CIRC 1101 P0705 AT-99
SFT SOL A/CIRC*3 1108 P0750 AT-171
SFT SOL B/CIRC*3 1201 P0755 AT-176
TP SEN/CIRC A/T*3 1206 P1705 AT-181
TCC SOLENOID/CIRC 1204 P0740 AT-150
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 =NEAT0179S02
GI
DTC
Items
CONSULT Reference page
(CONSULT screen terms)
GST*2
ECM*1 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-121
P0732 1104 A/T 2ND GR FNCTN AT-127
EC
P0733 1105 A/T 3RD GR FNCTN AT-133
P0734 1106 A/T 4TH GR FNCTN AT-139
FE
P0740 1204 TCC SOLENOID/CIRC AT-150
CL
P0744 1107 A/T TCC S/V FNCTN AT-155
P0745 1205 L/PRESS SOL/CIRC AT-165
MT
P0750 1108 SFT SOL A/CIRC*3 AT-171
P0755 1201 SFT SOL B/CIRC*3 AT-176
AT
P1705 1206 TP SEN/CIRC A/T*3 AT-181
P1760 1203 O/R CLTCH SOL/CIRC AT-190
TF
*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. PD
*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.
FA
RA
BR
ST
RS
BT
HA
EL
IDX
AT-5
PRECAUTIONS
Precautions for Supplemental Restraint System (SRS) "AIR BAG"
Precautions for Supplemental Restraint System
(SRS) "AIR BAG" NEAT0001
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 on the instrument panel on the passen-
ger side), a diagnosis sensor unit, a crash zone sensor, warning lamp, wiring harness and spiral cable.
The vehicle is equipped with a passenger air bag deactivation switch. Because no rear seat exists where a
rear-facing child restraint can be placed, the switch is designed to turn off the passenger air bag so that a
rear-facing child restraint can be used in the front passenger seat. The switch is located in the center of the
instrument panel near the ashtray. When the switch is turned to the ON position, the passenger air bag is
enabled and could inflate in a frontal collision. When the switch is turned to the OFF position, the passenger
air bag is disabled and will not inflate in a frontal collision. A passenger air bag OFF indicator on the instru-
ment panel lights up when the passenger air bag is switched OFF. The driver air bag always remains enabled
and is not affected by the passenger air bag deactivation switch.
Information necessary to service the system safely is included in the RS section of this Service Manual.
WARNING:
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