Nissan Frontier D22. Manual — part 8
AT-1
AUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
CONTENTS
D
E
F
G
H
I
J
K
L
M
SECTION
A
B
AT
RL4R01A
PRECAUTIONS . . . . . . . . . . . . . . .. 5
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” . . . . . . . . . . . . . . . . .. 5
Precautions . . . . . . . . . . . . . . . .. 5
Service Notice or Precautions . . . . . . . . .. 6
Wiring Diagrams and Trouble Diagnosis . . . . .. 6
PREPARATION . . . . . . . . . . . . . . ... 7
Special Service Tools . . . . . . . . . . . ... 7
OVERALL SYSTEM . . . . . . . . . . . . ... 9
Circuit Diagram . . . . . . . . . . . . . . 9
Wiring Diagram . . . . . . . . . . . . . .. 10
Cross-sectional View . . . . . . . . . . . .. 13
Hydraulic Control Circuits . . . . . . . . . ... 14
Shift Mechanism . . . . . . . . . . . . . . 15
TROUBLE DIAGNOSIS — BASIC INSPECTION . 26
A/T Fluid Check . . . . . . . . . . . . . .. 26
Stall Test . . . . . . . . . . . . . . . . . 26
Line Pressure Test . . . . . . . . . . . . . 29
Road Test . . . . . . . . . . . . . . . ... 31
TROUBLE DIAGNOSIS — GENERAL DESCRIP-
TION . . . . . . . . . . . . . . . . . . .. 33
Symptom Chart . . . . . . . . . . . . . .. 33
DTC P1775 TORQUE CONVERTER CLUTCH
SOLENOID . . . . . . . . . . . . . . . ... 41
Diagnostic Procedure . . . . . . . . . . . . 41
TROUBLE DIAGNOSES . . . . . . . . . . .. 44
Component Inspection . . . . . . . . . . ... 44
Electrical Component Inspection . . . . . . . 50
A/T SHIFT LOCK SYSTEM . . . . . . . . . .. 51
Description . . . . . . . . . . . . . . . . 51
Shift Lock System Electrical Parts Location . . ... 51
Removal and Installation . . . . . . . . . . 51
Wiring Diagram . . . . . . . . . . . . . .. 53
Diagnostic Procedure . . . . . . . . . . . . 54
ON-VEHICLE SERVICE . . . . . . . . . . ... 58
Control Valve Assembly and Accumulators . . . 58
Rear Oil Seal Replacement . . . . . . . . . 59
Parking Components Inspection . . . . . . . 59
Governor Valve . . . . . . . . . . . . . ... 59
Throttle Wire Adjustment . . . . . . . . . . 60
Park/Neutral Position (PNP) Switch Adjustment . 60
Control Cable Adjustment . . . . . . . . . ... 61
REMOVAL AND INSTALLATION . . . . . . . . 62
Removal . . . . . . . . . . . . . . . . . 62
Installation . . . . . . . . . . . . . . . .. 64
OVERHAUL . . . . . . . . . . . . . . . .. 66
Components . . . . . . . . . . . . . . ... 66
Oil Channel . . . . . . . . . . . . . . . . 68
Locations of Needle Bearings, Thrust Washers and
Snap Rings . . . . . . . . . . . . . . . . 69
Disassembly . . . . . . . . . . . . . . ... 70
OIL PUMP . . . . . . . . . . . . . . . . . 83
Components . . . . . . . . . . . . . . ... 83
Disassembly . . . . . . . . . . . . . . ... 83
Inspection . . . . . . . . . . . . . . . ... 85
Assembly . . . . . . . . . . . . . . . . 86
CONTROL VALVE ASSEMBLY . . . . . . . . 88
Components . . . . . . . . . . . . . . ... 88
Disassembly . . . . . . . . . . . . . . ... 89
Inspection . . . . . . . . . . . . . . . ... 90
Assembly . . . . . . . . . . . . . . . . 91
CONTROL VALVE UPPER BODY . . . . . . . 94
Components . . . . . . . . . . . . . . ... 94
Disassembly . . . . . . . . . . . . . . ... 95
Inspection . . . . . . . . . . . . . . . ... 96
Assembly . . . . . . . . . . . . . . . . 97
CONTROL VALVE LOWER BODY . . . . . . ... 99
Components . . . . . . . . . . . . . . ... 99
Disassembly . . . . . . . . . . . . . . . 100
Inspection . . . . . . . . . . . . . . . . 100
Assembly . . . . . . . . . . . . . . . .. 100
GOVERNOR VALVE ASSEMBLY . . . . . . .. 101
Components . . . . . . . . . . . . . . . 101
Inspection . . . . . . . . . . . . . . . . 101
PARKING GEAR . . . . . . . . . . . . . . 102
Inspection . . . . . . . . . . . . . . . . 102
AT-2
Disassembly . . . . . . . . . . . . . . . 103
Inspection . . . . . . . . . . . . . . . . 104
Assembly . . . . . . . . . . . . . . . .. 105
HIGH CLUTCH . . . . . . . . . . . . . . 108
Components . . . . . . . . . . . . . . . 108
Disassembly and Assembly . . . . . . . . .. 108
FORWARD AND OVERRUN CLUTCHES . . . .. 110
Components . . . . . . . . . . . . . . . 110
Disassembly and Assembly . . . . . . . . ...111
LOW & REVERSE BRAKE . . . . . . . . . . 115
Components . . . . . . . . . . . . . . . 115
Disassembly . . . . . . . . . . . . . . . 115
Inspection . . . . . . . . . . . . . . . . 116
Assembly . . . . . . . . . . . . . . . .. 117
FORWARD CLUTCH DRUM ASSEMBLY . . . .. 119
Components . . . . . . . . . . . . . . . 119
Disassembly . . . . . . . . . . . . . . . 119
Inspection . . . . . . . . . . . . . . . . 119
Assembly . . . . . . . . . . . . . . . .. 120
REAR INTERNAL GEAR AND FORWARD CLUTCH
HUB . . . . . . . . . . . . . . . . . . . 121
Components . . . . . . . . . . . . . . . 121
Disassembly . . . . . . . . . . . . . . . 121
Inspection . . . . . . . . . . . . . . . . 122
Assembly . . . . . . . . . . . . . . . .. 122
BAND SERVO PISTON ASSEMBLY . . . . . .. 124
Components . . . . . . . . . . . . . . . 124
Disassembly . . . . . . . . . . . . . . . 124
Inspection . . . . . . . . . . . . . . . . 125
Assembly . . . . . . . . . . . . . . . .. 126
PARKING PAWL COMPONENTS . . . . . . ... 129
Components . . . . . . . . . . . . . . . 129
Disassembly . . . . . . . . . . . . . . . 129
Inspection . . . . . . . . . . . . . . . . 130
Assembly . . . . . . . . . . . . . . . .. 130
ASSEMBLY . . . . . . . . . . . . . . . . 132
Assembly (1) . . . . . . . . . . . . . . . 132
Adjustment . . . . . . . . . . . . . . . 140
Assembly (2) . . . . . . . . . . . . . . . 143
SERVICE DATA AND SPECIFICATIONS (SDS) . 150
General Specifications . . . . . . . . . . .. 150
Shift Schedule . . . . . . . . . . . . . .. 150
Stall Revolution . . . . . . . . . . . . . . 150
Line Pressure . . . . . . . . . . . . . ... 150
Governor Pressure . . . . . . . . . . . ... 150
Return Springs . . . . . . . . . . . . . .. 151
Accumulator O-ring . . . . . . . . . . . ... 152
Clutch and Brakes . . . . . . . . . . . . 152
Oil Pump and Low One-way Clutch . . . . . .. 154
Total End Play . . . . . . . . . . . . . ... 154
Parking Gear . . . . . . . . . . . . . . 154
Reverse Clutch Drum End Play . . . . . . . 154
Removal and Installation . . . . . . . . . .. 154
RE4R01A
TROUBLE DIAGNOSIS — INDEX . . . . . . .. 156
Alphabetical & P No. Index for DTC . . . . . . 156
PRECAUTIONS . . . . . . . . . . . . . ...158
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” . . . . . . . . . . . . . . . ...158
Precautions for On Board Diagnostic (OBD) System
of A/T and Engine . . . . . . . . . . . . .158
Precautions . . . . . . . . . . . . . . ...159
Service Notice or Precautions . . . . . . . ...160
Wiring Diagrams and Trouble Diagnosis . . . ...161
PREPARATION . . . . . . . . . . . . . ...162
Special Service Tools . . . . . . . . . . . 162
OVERALL SYSTEM . . . . . . . . . . . . 164
A/T Electrical Parts Location . . . . . . . . .164
Circuit Diagram . . . . . . . . . . . . . .165
Cross-sectional View . . . . . . . . . . . 166
Hydraulic Control Circuit . . . . . . . . . ...167
Shift Mechanism . . . . . . . . . . . . ...168
Control System . . . . . . . . . . . . . .177
Control Mechanism . . . . . . . . . . . ...178
Control Valve . . . . . . . . . . . . . . .183
ON BOARD DIAGNOSTIC SYSTEM DESCRIP-
TION . . . . . . . . . . . . . . . . . . 185
Introduction . . . . . . . . . . . . . . ...185
OBD-II Function for A/T System . . . . . . ...185
One or Two Trip Detection Logic of OBD-II . . ...185
OBD-II Diagnostic Trouble Code (DTC) . . . . 185
Malfunction Indicator Lamp (MIL) . . . . . . .189
CONSULT-II . . . . . . . . . . . . . . ..189
Diagnostic Procedure Without CONSULT-II . . .198
TROUBLE DIAGNOSIS — INTRODUCTION . . .204
Introduction . . . . . . . . . . . . . . ...204
Work Flow . . . . . . . . . . . . . . . .208
TROUBLE DIAGNOSIS — BASIC INSPECTION ... 211
A/T Fluid Check . . . . . . . . . . . . . 211
Stall Test . . . . . . . . . . . . . . . . 211
Line Pressure Test . . . . . . . . . . . . 214
Road Test . . . . . . . . . . . . . . . ..216
Symptom Chart . . . . . . . . . . . . . .230
TROUBLE DIAGNOSIS — GENERAL DESCRIP-
TION . . . . . . . . . . . . . . . . . . 242
TCM Terminals and Reference Value . . . . ...242
TROUBLE DIAGNOSIS FOR POWER SUPPLY . 246
Wiring Diagram — AT — MAIN . . . . . . . .246
Diagnostic Procedure . . . . . . . . . . . 247
DTC P0705 PARK/NEUTRAL POSITION (PNP)
SWITCH . . . . . . . . . . . . . . . . ...249
Description . . . . . . . . . . . . . . . 249
Wiring Diagram — AT — PNP/SW . . . . . ...251
Diagnostic Procedure . . . . . . . . . . . 252
Component Inspection . . . . . . . . . . ..254
DTC P0710 A/T FLUID TEMPERATURE SENSOR
CIRCUIT . . . . . . . . . . . . . . . . ..255
Description . . . . . . . . . . . . . . . 255
Wiring Diagram — AT — FTS . . . . . . . ...257
Diagnostic Procedure . . . . . . . . . . . 258
Component Inspection . . . . . . . . . . ..260
DTC P0720 VEHICLE SPEED SENSOR·A/T (REV-
OLUTION SENSOR) . . . . . . . . . . . ...261
AT-3
D
E
F
G
H
I
J
K
L
M
A
B
AT
Wiring Diagram — AT — VSSA/T . . . . . . 263
Diagnostic Procedure . . . . . . . . . . ... 264
Component Inspection . . . . . . . . . . . 265
DTC P0725 ENGINE SPEED SIGNAL . . . . ... 266
Description . . . . . . . . . . . . . . ... 266
Wiring Diagram — AT — ENGSS . . . . . . 267
Diagnostic Procedure . . . . . . . . . . ... 268
DTC P0731 IMPROPER SHIFTING TO 1ST GEAR
POSITION . . . . . . . . . . . . . . . ... 270
Description . . . . . . . . . . . . . . ... 270
Wiring Diagram — AT — 1ST . . . . . . . .. 273
Diagnostic Procedure . . . . . . . . . . ... 274
Component Inspection . . . . . . . . . . . 275
DTC P0732 IMPROPER SHIFTING TO 2ND GEAR
POSITION . . . . . . . . . . . . . . . ... 276
Description . . . . . . . . . . . . . . ... 276
Wiring Diagram — AT — 2ND . . . . . . . .. 278
Diagnostic Procedure . . . . . . . . . . ... 279
Component Inspection . . . . . . . . . . . 279
DTC P0733 IMPROPER SHIFTING TO 3RD GEAR
POSITION . . . . . . . . . . . . . . . ... 281
Description . . . . . . . . . . . . . . ... 281
Wiring Diagram — AT — 3RD . . . . . . . .. 283
Diagnostic Procedure . . . . . . . . . . ... 284
Component Inspection . . . . . . . . . . . 285
DTC P0734 IMPROPER SHIFTING TO 4TH GEAR
POSITION . . . . . . . . . . . . . . . ... 286
Description . . . . . . . . . . . . . . ... 286
Wiring Diagram — AT — 4TH . . . . . . . .. 289
Diagnostic Procedure . . . . . . . . . . ... 290
Component Inspection . . . . . . . . . . . 292
DTC P0740 TORQUE CONVERTER CLUTCH
SOLENOID VALVE . . . . . . . . . . . . . 293
Description . . . . . . . . . . . . . . ... 293
Wiring Diagram — AT — TCV . . . . . . . .. 295
Diagnostic Procedure . . . . . . . . . . ... 296
Component Inspection . . . . . . . . . . . 297
DTC P0744 IMPROPER LOCK-UP OPERATION .. 298
Description . . . . . . . . . . . . . . ... 298
Wiring Diagram — AT — TCCSIG . . . . . ... 301
Diagnostic Procedure . . . . . . . . . . ... 302
Component Inspection . . . . . . . . . . . 304
DTC P0745 LINE PRESSURE SOLENOID VALVE
Description . . . . . . . . . . . . . . ... 306
Wiring Diagram — AT — LPSV . . . . . . . 308
Diagnostic Procedure . . . . . . . . . . ... 309
Component Inspection . . . . . . . . . . . 310
DTC P0750 SHIFT SOLENOID VALVE A . . . ...311
Description . . . . . . . . . . . . . . . 311
Wiring Diagram — AT — SSV/A . . . . . . .. 313
Diagnostic Procedure . . . . . . . . . . ... 314
Component Inspection . . . . . . . . . . . 315
DTC P0755 SHIFT SOLENOID VALVE B . . . .. 316
Description . . . . . . . . . . . . . . ... 316
Wiring Diagram — AT — SSV/B . . . . . . .. 318
Diagnostic Procedure . . . . . . . . . . ... 319
Component Inspection . . . . . . . . . . . 320
DTC P1705 THROTTLE POSITION SENSOR . ... 321
Description . . . . . . . . . . . . . . ... 321
Wiring Diagram — AT — TPS . . . . . . . .. 324
Diagnostic Procedure . . . . . . . . . . ... 325
Component Inspection . . . . . . . . . . .. 328
DTC P1760 OVERRUN CLUTCH SOLENOID
VALVE . . . . . . . . . . . . . . . . . . 329
Description . . . . . . . . . . . . . . . 329
Wiring Diagram — AT — OVRCSV . . . . . .. 331
Diagnostic Procedure . . . . . . . . . . ... 332
Component Inspection . . . . . . . . . . .. 333
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP
SENSOR CIRCUIT AND TCM POWER SOURCE) .334
Description . . . . . . . . . . . . . . . 334
Wiring Diagram — AT — BA/FTS . . . . . . . 336
Diagnostic Procedure . . . . . . . . . . ... 337
Component Inspection . . . . . . . . . . .. 339
DTC VEHICLE SPEED SENSOR·MTR . . . . .. 340
Description . . . . . . . . . . . . . . . 340
Wiring Diagram — AT — VSSMTR . . . . . .. 342
Diagnostic Procedure . . . . . . . . . . ... 343
DTC TURBINE REVOLUTION SENSOR (VG33ER
ONLY) . . . . . . . . . . . . . . . . . .. 344
Description . . . . . . . . . . . . . . . 344
Wiring Diagram — AT — TRSA/T . . . . . . 346
Diagnostic Procedure . . . . . . . . . . ... 347
Component Inspection . . . . . . . . . . .. 348
DTC CONTROL UNIT (RAM), CONTROL UNIT
(ROM) . . . . . . . . . . . . . . . . . .. 349
Description . . . . . . . . . . . . . . . 349
Diagnostic Procedure . . . . . . . . . . ... 350
DTC CONTROL UNIT (EEP ROM) . . . . . . . 351
Description . . . . . . . . . . . . . . . 351
Diagnostic Procedure . . . . . . . . . . ... 352
TROUBLE DIAGNOSES FOR SYMPTOMS . . .. 353
Wiring Diagram — AT — NONDTC . . . . . .. 353
1. O/D OFF Indicator Lamp Does Not Come On .. 356
2. Engine Cannot Be Started In P and N Position .358
3. In “P” Position, Vehicle Moves Forward Or Back-
ward When Pushed . . . . . . . . . . . .. 359
4. In N Position, Vehicle Moves . . . . . . . 360
5. Large Shock. N
→ R Position . . . . . . ... 362
6. Vehicle Does Not Creep Backward In R Position .364
7. Vehicle Does Not Creep Forward In D, 2 Or 1 Posi-
tion . . . . . . . . . . . . . . . . . . 367
8. Vehicle Cannot Be Started From D
. . . . . . . . . . . . . . 372
12. A/T Does Not Perform Lock-up . . . . . .. 378
13. A/T Does Not Hold Lock-up Condition . . . 379
14. Lock-up Is Not Released . . . . . . . . 381
15. Engine Speed Does Not Return To Idle (Light
Braking D
16. Vehicle Does Not Start From D
AT-4
→ 1 Position . . . . . . . . . . . 387
A/T SHIFT LOCK SYSTEM . . . . . . . . . . 395
Description . . . . . . . . . . . . . . . 395
Wiring Diagram — SHIFT — . . . . . . . . 396
Diagnostic Procedure . . . . . . . . . . ... 397
Component Check . . . . . . . . . . . . 399
KEY INTERLOCK CABLE . . . . . . . . . .. 400
Components . . . . . . . . . . . . . . . 400
Removal . . . . . . . . . . . . . . . ... 400
Installation . . . . . . . . . . . . . . . . 401
ON-VEHICLE SERVICE . . . . . . . . . . .. 402
Control Valve Assembly and Accumulators . . .. 402
Revolution Sensor Replacement . . . . . . .. 403
Turbine Revolution Sensor Replacement (VG33ER
only) . . . . . . . . . . . . . . . . . .. 404
Rear Oil Seal Replacement . . . . . . . . .. 404
Parking Components Inspection . . . . . . ... 405
Park/Neutral Position (PNP) Switch Adjustment ... 405
Manual Control Linkage Adjustment . . . . . . 406
REMOVAL AND INSTALLATION . . . . . . ... 407
Removal . . . . . . . . . . . . . . . ... 407
Installation . . . . . . . . . . . . . . . . 408
OVERHAUL . . . . . . . . . . . . . . . . 410
Components . . . . . . . . . . . . . . . 410
Oil Channel . . . . . . . . . . . . . . ... 412
Locations of Needle Bearings, Thrust Washers and
Snap Rings . . . . . . . . . . . . . . ... 413
Disassembly . . . . . . . . . . . . . . . 414
OIL PUMP . . . . . . . . . . . . . . . ... 426
Components . . . . . . . . . . . . . . . 426
Disassembly . . . . . . . . . . . . . . . 426
Inspection . . . . . . . . . . . . . . . . 428
Assembly . . . . . . . . . . . . . . . .. 428
CONTROL VALVE ASSEMBLY . . . . . . . .. 431
Components . . . . . . . . . . . . . . . 431
Disassembly . . . . . . . . . . . . . . . 432
Inspection . . . . . . . . . . . . . . . . 433
Assembly . . . . . . . . . . . . . . . .. 435
CONTROL VALVE UPPER BODY . . . . . . .. 438
Components . . . . . . . . . . . . . . . 438
Disassembly . . . . . . . . . . . . . . . 439
Inspection . . . . . . . . . . . . . . . . 440
Assembly . . . . . . . . . . . . . . . .. 441
CONTROL VALVE LOWER BODY . . . . . . . 443
Components . . . . . . . . . . . . . . . 443
Disassembly . . . . . . . . . . . . . . . 444
Inspection . . . . . . . . . . . . . . . . 444
Assembly . . . . . . . . . . . . . . . .. 444
REVERSE CLUTCH . . . . . . . . . . . . 445
Components . . . . . . . . . . . . . . . 445
Disassembly . . . . . . . . . . . . . . . 445
Inspection . . . . . . . . . . . . . . . ..446
Assembly . . . . . . . . . . . . . . . ..447
HIGH CLUTCH . . . . . . . . . . . . . . 450
Components . . . . . . . . . . . . . . ..450
Disassembly and Assembly . . . . . . . . ..450
FORWARD AND OVERRUN CLUTCHES . . . ..453
Components . . . . . . . . . . . . . . ..453
Disassembly and Assembly . . . . . . . . ..454
LOW & REVERSE BRAKE . . . . . . . . . .458
Components . . . . . . . . . . . . . . ..458
Disassembly . . . . . . . . . . . . . . ..458
Inspection . . . . . . . . . . . . . . . ..459
Assembly . . . . . . . . . . . . . . . ..460
FORWARD CLUTCH DRUM ASSEMBLY . . . ..463
Components . . . . . . . . . . . . . . ..463
Disassembly . . . . . . . . . . . . . . ..463
Inspection . . . . . . . . . . . . . . . ..464
Assembly . . . . . . . . . . . . . . . ..464
REAR INTERNAL GEAR AND FORWARD CLUTCH
HUB . . . . . . . . . . . . . . . . . . .466
Components . . . . . . . . . . . . . . ..466
Disassembly . . . . . . . . . . . . . . ..466
Inspection . . . . . . . . . . . . . . . ..468
Assembly . . . . . . . . . . . . . . . ..468
BAND SERVO PISTON ASSEMBLY . . . . . ..470
Components . . . . . . . . . . . . . . ..470
Disassembly . . . . . . . . . . . . . . ..470
Inspection . . . . . . . . . . . . . . . ..472
Assembly . . . . . . . . . . . . . . . ..472
PARKING PAWL COMPONENTS . . . . . . ...475
Components . . . . . . . . . . . . . . ..475
Disassembly . . . . . . . . . . . . . . ..475
Assembly . . . . . . . . . . . . . . . ..477
ASSEMBLY . . . . . . . . . . . . . . . .478
Assembly (1) . . . . . . . . . . . . . . .478
Adjustment . . . . . . . . . . . . . . . 486
Assembly (2) . . . . . . . . . . . . . . .489
SERVICE DATA AND SPECIFICATIONS (SDS) . 496
General Specifications . . . . . . . . . . ..496
Shift Schedule . . . . . . . . . . . . . ...496
Stall Revolution . . . . . . . . . . . . . .496
Line Pressure . . . . . . . . . . . . . . 497
Return Springs . . . . . . . . . . . . . ..497
Accumulator O-ring . . . . . . . . . . . ...498
Clutches and Brakes . . . . . . . . . . . .498
Oil Pump and Low One-way Clutch . . . . . ..500
Total End Play . . . . . . . . . . . . . ...501
Reverse Clutch Drum End Play . . . . . . . 501
Removal and Installation . . . . . . . . . ...501
Shift Solenoid Valves . . . . . . . . . . . 501
Solenoid Valves . . . . . . . . . . . . . 501
A/T Fluid Temperature Sensor . . . . . . . ..501
Turbine Revolution Sensor . . . . . . . . . 502
Revolution Sensor . . . . . . . . . . . . .502
Dropping Resistor . . . . . . . . . . . . .502
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