Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Pathfinder 2004-2007 Approved Nissan Pathfinder 2005 AT
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C TRANSMISSION/TRANSAXLE
A
AUTOMATIC TRANSMISSION
SECTION AT B
AT
D
E
CONTENTS
INDEX FOR DTC ....................................................... 5 . Accurate Repair ..................................................... 43
. F
Alphabetical Index ................................................... 5
. A/T Electrical Parts Location ................................. 48 .
DTC No. Index ........................................................ 6
. Circuit Diagram ...................................................... 49
.
PRECAUTIONS ......................................................... 7 . Inspections Before Trouble Diagnosis ................... 50 . G
Precautions for Supplemental Restraint System Check Before Engine is Started ............................. 54 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Check at Idle .......................................................... 54
.
SIONER" ................................................................. 7
. Cruise Test - Part 1 ................................................ 55
.
H
Precautions for On Board Diagnostic (OBD) System Cruise Test - Part 2 ................................................ 57
.
of A/T and Engine ................................................... 7. Cruise Test - Part 3 ................................................ 58
.
Precautions ............................................................. 8
. Vehicle Speed at Which Gear Shifting Occurs ...... 60 .
Service Notice or Precautions ................................. 9 . Vehicle Speed at Which Lock-up Occurs/Releases 60 ... I
Wiring Diagrams and Trouble Diagnosis ................. 9 . Symptom Chart ...................................................... 61
.
PREPARATION ........................................................ 10 . TCM Input/Output Signal Reference Values .......... 83 .
Special Service Tools ............................................ 10 . CONSULT-II Function (A/T) ................................... 84 . J
Commercial Service Tools ..................................... 12 . Diagnostic Procedure Without CONSULT-II .......... 98 .
A/T FLUID ................................................................ 13
. DTC U1000 CAN COMMUNICATION LINE ........... 100 .
Changing A/T Fluid ............................................... 13 . Description ........................................................... 100
.
K
Checking A/T Fluid ................................................ 13 . On Board Diagnosis Logic ................................... 100 .
A/T Fluid Cooler Cleaning ..................................... 13 . Possible Cause .................................................... 100
.
A/T CONTROL SYSTEM ......................................... 16 . DTC Confirmation Procedure .............................. 100 .
Cross-Sectional View ............................................ 16 . Wiring Diagram -- AT -- CAN ............................. 101 . L
Shift Mechanism .................................................... 18. Diagnostic Procedure .......................................... 102 .
TCM Function ........................................................ 29
. DTC P0615 START SIGNAL CIRCUIT .................. 103 .
CAN Communication ............................................. 30 . Description ........................................................... 103
. M
Input/Output Signal of TCM ................................... 30 . CONSULT-II Reference Value ............................. 103 .
Line Pressure Control ........................................... 31 . On Board Diagnosis Logic ................................... 103 .
Shift Control .......................................................... 32
. Possible Cause .................................................... 103
.
Lock-up Control ..................................................... 33
. DTC Confirmation Procedure .............................. 103 .
Engine Brake Control ............................................ 34 . Wiring Diagram -- AT -- STSIG ......................... 104 .
Control Valve ......................................................... 35
. Diagnostic Procedure .......................................... 105 .
ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 37 . DTC P0700 TCM .................................................... 107 .
Introduction ........................................................... 37
. Description ........................................................... 107
.
OBD-II Function for A/T System ............................ 37 . On Board Diagnosis Logic ................................... 107 .
One or Two Trip Detection Logic of OBD-II ........... 37 . Possible Cause .................................................... 107
.
OBD-II Diagnostic Trouble Code (DTC) ................ 37 . DTC Confirmation Procedure .............................. 107 .
Malfunction Indicator Lamp (MIL) .......................... 40 . Diagnostic Procedure .......................................... 107 .
TROUBLE DIAGNOSIS ........................................... 41 . DTC P0705 PARK/NEUTRAL POSITION SWITCH. 108
DTC Inspection Priority Chart ............................... 41 . Description ........................................................... 108
.
Fail-Safe ................................................................ 41
. CONSULT-II Reference Value ............................. 108 .
How To Perform Trouble Diagnosis For Quick and On Board Diagnosis Logic ................................... 108 .
Revision: November 2005 AT-1 2005 Pathfinder
Possible Cause .................................................... 108 . On Board Diagnosis Logic ................................... 127 .
DTC Confirmation Procedure .............................. 108 . Possible Cause .................................................... 127.
Wiring Diagram -- AT -- PNP/SW ...................... 109 . DTC Confirmation Procedure ............................... 127 .
Diagnostic Procedure .......................................... 110 . Diagnostic Procedure ........................................... 128 .
DTC P0720 VEHICLE SPEED SENSOR A/T (REV- DTC P1710 A/T FLUID TEMPERATURE SENSOR
OLUTION SENSOR) .............................................. 112 . CIRCUIT ................................................................. 130
.
Description ........................................................... 112
. Description ........................................................... 130
.
CONSULT-II Reference Value ............................. 112 . CONSULT-II Reference Value .............................. 130 .
On Board Diagnosis Logic ................................... 112 . On Board Diagnosis Logic ................................... 130 .
Possible Cause .................................................... 112 . Possible Cause .................................................... 130.
DTC Confirmation Procedure .............................. 112 . DTC Confirmation Procedure ............................... 130 .
Wiring Diagram -- AT -- VSSA/T ........................ 114 . Wiring Diagram -- AT -- FTS .............................. 131 .
Diagnostic Procedure .......................................... 115 . Diagnostic Procedure ........................................... 132 .
DTC P0725 ENGINE SPEED SIGNAL .................. 117 . Component Inspection ......................................... 134 .
Description ........................................................... 117
. DTC P1716 TURBINE REVOLUTION SENSOR ... 135 .
CONSULT-II Reference Value ............................. 117 . Description ........................................................... 135
.
On Board Diagnosis Logic ................................... 117 . CONSULT-II Reference Value .............................. 135 .
Possible Cause .................................................... 117 . On Board Diagnosis Logic ................................... 135 .
DTC Confirmation Procedure .............................. 117 . Possible Cause .................................................... 135.
Diagnostic Procedure .......................................... 118 . DTC Confirmation Procedure ............................... 135 .
DTC P0740 TORQUE CONVERTER CLUTCH Diagnostic Procedure ........................................... 136 .
SOLENOID VALVE ................................................ 119 . DTC P1721 VEHICLE SPEED SENSOR MTR ...... 137 .
Description ........................................................... 119
. Description ........................................................... 137
.
CONSULT-II Reference Value ............................. 119 . CONSULT-II Reference Value .............................. 137 .
On Board Diagnosis Logic ................................... 119 . On Board Diagnosis Logic ................................... 137 .
Possible Cause .................................................... 119 . Possible Cause .................................................... 137.
DTC Confirmation Procedure .............................. 119 . DTC Confirmation Procedure ............................... 137 .
Diagnostic Procedure .......................................... 120 . Diagnostic Procedure ........................................... 138 .
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP). 121 DTC P1730 A/T INTERLOCK ................................ 139 .
Description ........................................................... 121
. Description ........................................................... 139
.
CONSULT-II Reference Value ............................. 121 . On Board Diagnosis Logic ................................... 139 .
On Board Diagnosis Logic ................................... 121 . Possible Cause .................................................... 139.
Possible Cause .................................................... 121 . DTC Confirmation Procedure ............................... 139 .
DTC Confirmation Procedure .............................. 121 . Judgement of A/T Interlock .................................. 140 .
Diagnostic Procedure .......................................... 122 . Diagnostic Procedure ........................................... 140 .
DTC P0745 LINE PRESSURE SOLENOID VALVE. 123 DTC P1731 A/T 1ST ENGINE BRAKING .............. 142 .
Description ........................................................... 123
. Description ........................................................... 142
.
CONSULT-II Reference Value ............................. 123 . CONSULT-II Reference Value .............................. 142 .
On Board Diagnosis Logic ................................... 123 . On Board Diagnosis Logic ................................... 142 .
Possible Cause .................................................... 123 . Possible Cause .................................................... 142.
DTC Confirmation Procedure .............................. 123 . DTC Confirmation Procedure ............................... 142 .
Diagnostic Procedure .......................................... 124 . Diagnostic Procedure ........................................... 143 .
DTC P1702 TRANSMISSION CONTROL MODULE DTC P1752 INPUT CLUTCH SOLENOID VALVE . 144
(RAM) ..................................................................... 125
. Description ........................................................... 144
.
Description ........................................................... 125
. CONSULT-II Reference Value .............................. 144 .
On Board Diagnosis Logic ................................... 125 . On Board Diagnosis Logic ................................... 144 .
Possible Cause .................................................... 125 . Possible Cause .................................................... 144.
DTC Confirmation Procedure .............................. 125 . DTC Confirmation Procedure ............................... 144 .
Diagnostic Procedure .......................................... 125 . Diagnostic Procedure ........................................... 145 .
DTC P1703 TRANSMISSION CONTROL MODULE DTC P1754 INPUT CLUTCH SOLENOID VALVE
(ROM) ..................................................................... 126
. FUNCTION ............................................................. 146
.
Description ........................................................... 126
. Description ........................................................... 146
.
On Board Diagnosis Logic ................................... 126 . CONSULT-II Reference Value .............................. 146 .
Possible Cause .................................................... 126 . On Board Diagnosis Logic ................................... 146 .
DTC Confirmation Procedure .............................. 126 . Possible Cause .................................................... 146.
Diagnostic Procedure .......................................... 126 . DTC Confirmation Procedure ............................... 146 .
DTC P1705 THROTTLE POSITION SENSOR ...... 127 . Diagnostic Procedure ........................................... 147 .
Description ........................................................... 127
. DTC P1757 FRONT BRAKE SOLENOID VALVE .. 148 .
CONSULT-II Reference Value ............................. 127 . Description ........................................................... 148
.
Revision: November 2005 AT-2 2005 Pathfinder
CONSULT-II Reference Value ............................. 148 . DTC Confirmation Procedure .............................. 162 .
On Board Diagnosis Logic .................................. 148 . Diagnostic Procedure .......................................... 163 . A
Possible Cause ................................................... 148 . DTC P1841 ATF PRESSURE SWITCH 1 .............. 164 .
DTC Confirmation Procedure .............................. 148 . Description ........................................................... 164
.
Diagnostic Procedure .......................................... 149 . CONSULT-II Reference Value ............................. 164 . B
DTC P1759 FRONT BRAKE SOLENOID VALVE On Board Diagnosis Logic ................................... 164 .
FUNCTION ............................................................. 150
. Possible Cause .................................................... 164
.
Description .......................................................... 150
. DTC Confirmation Procedure .............................. 164 .
CONSULT-II Reference Value ............................. 150 . Diagnostic Procedure .......................................... 165 . AT
On Board Diagnosis Logic .................................. 150 . DTC P1843 ATF PRESSURE SWITCH 3 .............. 166 .
Possible Cause ................................................... 150 . Description ........................................................... 166
.
DTC Confirmation Procedure .............................. 150 . CONSULT-II Reference Value ............................. 166 . D
Diagnostic Procedure .......................................... 151 . On Board Diagnosis Logic ................................... 166 .
DTC P1762 DIRECT CLUTCH SOLENOID VALVE 152 . Possible Cause .................................................... 166
.
Description .......................................................... 152
. DTC Confirmation Procedure .............................. 166 . E
CONSULT-II Reference Value ............................. 152 . Diagnostic Procedure .......................................... 167 .
On Board Diagnosis Logic .................................. 152 . DTC P1845 ATF PRESSURE SWITCH 5 .............. 168 .
Possible Cause ................................................... 152 . Description ........................................................... 168
.
DTC Confirmation Procedure .............................. 152 . CONSULT-II Reference Value ............................. 168 . F
Diagnostic Procedure .......................................... 153 . On Board Diagnosis Logic ................................... 168 .
DTC P1764 DIRECT CLUTCH SOLENOID VALVE Possible Cause .................................................... 168
.
FUNCTION ............................................................. 154
. DTC Confirmation Procedure .............................. 168 . G
Description .......................................................... 154
. Diagnostic Procedure .......................................... 169 .
CONSULT-II Reference Value ............................. 154 . DTC P1846 ATF PRESSURE SWITCH 6 .............. 170 .
On Board Diagnosis Logic .................................. 154 . Description ........................................................... 170
. H
Possible Cause ................................................... 154 . CONSULT-II Reference Value ............................. 170 .
DTC Confirmation Procedure .............................. 154 . On Board Diagnosis Logic ................................... 170 .
Diagnostic Procedure .......................................... 155 . Possible Cause .................................................... 170
.
I
DTC P1767 HIGH AND LOW REVERSE CLUTCH DTC Confirmation Procedure .............................. 170 .
SOLENOID VALVE ................................................ 156 . Diagnostic Procedure .......................................... 171 .
Description .......................................................... 156
. MAIN POWER SUPPLY AND GROUND CIRCUIT. 172
CONSULT-II Reference Value ............................. 156 . Wiring Diagram -- AT -- MAIN ........................... 172 . J
On Board Diagnosis Logic .................................. 156 . Diagnostic Procedure .......................................... 173 .
Possible Cause ................................................... 156 . CLOSED THROTTLE POSITION AND WIDE OPEN
DTC Confirmation Procedure .............................. 156 . THROTTLE POSITION CIRCUIT ........................... 176 . K
Diagnostic Procedure .......................................... 157 . CONSULT-II Reference Value ............................. 176 .
DTC P1769 HIGH AND LOW REVERSE CLUTCH Diagnostic Procedure .......................................... 176 .
SOLENOID VALVE FUNCTION ............................ 158 . BRAKE SIGNAL CIRCUIT ..................................... 177 .
L
Description .......................................................... 158
. CONSULT-II Reference Value ............................. 177 .
CONSULT-II Reference Value ............................. 158 . Diagnostic Procedure .......................................... 177 .
On Board Diagnosis Logic .................................. 158 . OVERDRIVE CONTROL SWITCH ........................ 178 .
Possible Cause ................................................... 158 . CONSULT-II Reference Value ............................. 178 . M
DTC Confirmation Procedure .............................. 158 . Diagnostic Procedure .......................................... 178 .
Diagnostic Procedure .......................................... 159 . TROUBLE DIAGNOSIS FOR SYMPTOMS ........... 180 .
DTC P1772 LOW COAST BRAKE SOLENOID Wiring Diagram -- AT -- NONDTC ..................... 180 .
VALVE .................................................................... 160
. O/D OFF Indicator Lamp Does Not Come On ..... 183 .
Description .......................................................... 160
. Engine Cannot Be Started In "P" or "N" Position . 184
CONSULT-II Reference Value ............................. 160 . In "P" Position, Vehicle Moves When Pushed ..... 185 .
On Board Diagnosis Logic .................................. 160 . In "N" Position, Vehicle Moves ............................. 186 .
Possible Cause ................................................... 160 . Large Shock ("N" to "D" Position) ........................ 187 .
DTC Confirmation Procedure .............................. 160 . Vehicle Does Not Creep Backward In "R" Position 189 .
Diagnostic Procedure .......................................... 161 . Vehicle Does Not Creep Forward In "D" Position . 192
DTC P1774 LOW COAST BRAKE SOLENOID Vehicle Cannot Be Started From D1 .................... 194 .
VALVE FUNCTION ................................................ 162 . A/T Does Not Shift: D1 D 2 ............................... 196 .
Description .......................................................... 162
. A/T Does Not Shift: D2 D 3 ............................... 198 .
CONSULT-II Reference Value ............................. 162 . A/T Does Not Shift: D3 D 4 ............................... 200 .
On Board Diagnosis Logic .................................. 162 . A/T Does Not Shift: D4 D 5 ............................... 202 .
Possible Cause ................................................... 162 . A/T Does Not Perform Lock-up ........................... 204 .
A/T Does Not Hold Lock-up Condition ................. 206 .
Revision: November 2005 AT-3 2005 Pathfinder
Lock-up Is Not Released ..................................... 208 . Components ......................................................... 251
.
Engine Speed Does Not Return to Idle ............... 209 . Oil Channel .......................................................... 259
.
A/T Does Not Shift: 5th gear 4th gear ............. 211 . Locations of Adjusting Shims, Needle Bearings,
A/T Does Not Shift: 4th gear 3rd gear ............. 213 . Thrust Washers and Snap Rings ......................... 261 .
A/T Does Not Shift: 3rd gear 2nd gear ............ 215 . DISASSEMBLY ...................................................... 263 .
A/T Does Not Shift: 2nd gear 1st gear ............ 217 . Disassembly ......................................................... 263
.
Vehicle Does Not Decelerate By Engine Brake ... 219 . REPAIR FOR COMPONENT PARTS ..................... 280 .
SHIFT CONTROL SYSTEM ................................... 221 . Oil Pump .............................................................. 280
.
Control Device Removal and Installation ............. 221 . Front Sun Gear, 3rd One-Way Clutch .................. 283 .
Adjustment of A/T Position .................................. 222 . Front Carrier, Input Clutch, Rear Internal Gear .... 285 .
Checking of A/T Position ..................................... 222 . Mid Sun Gear, Rear Sun Gear, High and Low
A/T SHIFT LOCK SYSTEM .................................... 223 . Reverse Clutch Hub ............................................. 290 .
Description ........................................................... 223
. High and Low Reverse Clutch ............................. 295 .
Shift Lock System Electrical Parts Location ........ 223 . Direct Clutch ........................................................ 297
.
Wiring Diagram -- A/T -- SHIFT ......................... 224 . ASSEMBLY ............................................................ 299
.
Diagnostic Procedure .......................................... 225 . Assembly (1) ........................................................ 299
.
KEY INTERLOCK CABLE ..................................... 228 . Adjustment ........................................................... 312
.
Components ........................................................ 228 . Assembly (2) ........................................................ 314
.
Removal and Installation ..................................... 229 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 321 .
ON-VEHICLE SERVICE ......................................... 231 . General Specifications ......................................... 321 .
Oil Pan ................................................................. 231
. Vehicle Speed at Which Gear Shifting Occurs ..... 321 .
Control Valve With TCM and A/T Fluid Temperature Vehicle Speed at Which Lock-up Occurs/Releases.322
Sensor 2 .............................................................. 233
. Stall Speed ........................................................... 322
.
Rear Oil Seal ....................................................... 242
. Line Pressure ....................................................... 322
.
AIR BREATHER HOSE .......................................... 243 . A/T Fluid Temperature Sensor ............................. 322 .
Removal and Installation ..................................... 243 . Turbine Revolution Sensor ................................... 322 .
TRANSMISSION ASSEMBLY ............................... 245 . Vehicle Speed Sensor A/T (Revolution Sensor) .. 323 .
Removal and Installation (4x2) ............................ 245 . Reverse brake ...................................................... 323
.
Removal and Installation (4x4) ............................ 248 . Total End Play ...................................................... 323
.
OVERHAUL ............................................................ 251.
Revision: November 2005 AT-4 2005 Pathfinder
INDEX FOR DTC
INDEX FOR DTC PFP:00024
A
Alphabetical Index UCS0030Z
NOTE:
If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000. Refer to B
AT-100, "DTC U1000 CAN COMMUNICATION LINE" .
DTC
Items AT
OBD- II Except OBD- II Reference page
(CONSULT- II screen terms)
CONSULT- II GST (*1) CONSULT- II only "A/T"
A/T 1ST E/BRAKING -- P1731 AT-142
D
ATF PRES SW 1/CIRC -- P1841 AT-164
ATF PRES SW 3/CIRC -- P1843 AT-166
ATF PRES SW 5/CIRC -- P1845 AT-168 E
ATF PRES SW 6/CIRC -- P1846 AT-170
A/T INTERLOCK P1730 P1730 AT-139
F
A/T TCC S/V FNCTN P0744 P0744 AT-121
ATF TEMP SEN/CIRC P0710 P1710 AT-130
CAN COMM CIRCUIT U1000 U1000 AT-100 G
D/C SOLENOID/CIRC P1762 P1762 AT-152
D/C SOLENOID FNCTN P1764 (*2 ) P1764 AT-154
ENGINE SPEED SIG -- P0725 AT-117
H
FR/B SOLENOID/CIRC P1757 P1757 AT-148
FR/B SOLENOID FNCT P1759 P1759 AT-150
I
HLR/C SOL/CIRC P1767 P1767 AT-156
HLR/C SOL FNCTN P1769 (*2) P1769 AT-158
I/C SOLENOID/CIRC P1752 P1752 AT-144 J
I/C SOLENOID FNCTN P1754 (*2) P1754 AT-146
L/PRESS SOL/CIRC P0745 P0745 AT-123
K
LC/B SOLENOID/CIRC P1772 P1772 AT-160
LC/B SOLENOID FNCT P1774 P1774 AT-162
PNP SW/CIRC P0705 P0705 AT-108 L
STARTER RELAY/CIRC -- P0615 AT-103
TCC SOLENOID/CIRC P0740 P0740 AT-119
M
TCM P0700 P0700 AT-107
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