Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Pathfinder 2004-2007 Approved Nissan Pathfinder 2007 AT
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C TRANSMISSION/TRANSAXLE
A
AUTOMATIC TRANSMISSION
SECTION AT B
AT
D
E
CONTENTS
INDEX FOR DTC ....................................................... 5 . A/T Electrical Parts Location ................................. 50 . F
Alphabetical Index ................................................... 5
. Schematic .............................................................. 51
.
DTC No. Index ........................................................ 6
. Inspections Before Trouble Diagnosis ................... 52 .
PRECAUTIONS ......................................................... 7 . Check Before Engine is Started ............................. 56 . G
Precautions for Supplemental Restraint System Check at Idle .......................................................... 56
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Cruise Test - Part 1 ................................................ 57
.
SIONER" ................................................................. 7
. Cruise Test - Part 2 ................................................ 59
.
H
Precautions for On Board Diagnostic (OBD) System Cruise Test - Part 3 ................................................ 60
.
of A/T and Engine ................................................... 7. Vehicle Speed at Which Gear Shifting Occurs ...... 62 .
Precautions ............................................................. 8
. Vehicle Speed at Which Lock-up Occurs/Releases 62 ...
Service Notice or Precautions ................................. 9 . Symptom Chart ...................................................... 63
. I
PREPARATION ........................................................ 10 . TCM Input/Output Signal Reference Values .......... 85 .
Special Service Tools ............................................ 10 . CONSULT-II Function (A/T) ................................... 86 .
Commercial Service Tools ......................................11 . Diagnostic Procedure Without CONSULT-II .......... 95 . J
A/T FLUID ................................................................ 12
. DTC U1000 CAN COMMUNICATION LINE ............. 97 .
Checking the A/T Fluid (ATF) ................................ 12 . Description ............................................................. 97
.
Changing the A/T Fluid (ATF) ............................... 14 . On Board Diagnosis Logic ..................................... 97 .
K
A/T Fluid Cooler Cleaning ..................................... 15 . Possible Cause ...................................................... 97
.
A/T CONTROL SYSTEM ......................................... 18 . DTC Confirmation Procedure ................................ 97 .
Cross-Sectional View ............................................ 18 . Wiring Diagram -- AT -- CAN ............................... 98 .
Shift Mechanism .................................................... 20. Diagnostic Procedure ............................................ 99 . L
TCM Function ........................................................ 31
. DTC P0615 START SIGNAL CIRCUIT .................. 100 .
CAN Communication ............................................. 32 . Description ........................................................... 100
.
Input/Output Signal of TCM ................................... 32 . CONSULT-II Reference Value ............................. 100 . M
Line Pressure Control ........................................... 33 . On Board Diagnosis Logic ................................... 100 .
Shift Control .......................................................... 34
. Possible Cause .................................................... 100
.
Lock-up Control ..................................................... 35
. DTC Confirmation Procedure .............................. 100 .
Engine Brake Control ............................................ 36 . Wiring Diagram -- AT -- STSIG ......................... 101 .
Control Valve ......................................................... 37
. Diagnostic Procedure .......................................... 102 .
ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 39 . DTC P0700 TCM .................................................... 104 .
Introduction ........................................................... 39
. Description ........................................................... 104
.
OBD-II Function for A/T System ............................ 39 . On Board Diagnosis Logic ................................... 104 .
One or Two Trip Detection Logic of OBD-II ........... 39 . Possible Cause .................................................... 104
.
OBD-II Diagnostic Trouble Code (DTC) ................ 39 . DTC Confirmation Procedure .............................. 104 .
Malfunction Indicator Lamp (MIL) .......................... 42 . Diagnostic Procedure .......................................... 104 .
TROUBLE DIAGNOSIS ........................................... 43 . DTC P0705 PARK/NEUTRAL POSITION SWITCH. 105
DTC Inspection Priority Chart ............................... 43 . Description ........................................................... 105
.
Fail-Safe ................................................................ 43
. CONSULT-II Reference Value ............................. 105 .
How To Perform Trouble Diagnosis For Quick and On Board Diagnosis Logic ................................... 105 .
Accurate Repair .................................................... 45. Possible Cause .................................................... 105
.
Revision: September 2006 AT-1 2007 Pathfinder
DTC Confirmation Procedure .............................. 105 . On Board Diagnosis Logic ................................... 127 .
Wiring Diagram -- AT -- PNP/SW ...................... 106 . Possible Cause .................................................... 127
.
Diagnostic Procedure .......................................... 107 . DTC Confirmation Procedure ............................... 127 .
DTC P0717 TURBINE REVOLUTION SENSOR ... 109 . Wiring Diagram -- AT -- FTS .............................. 128 .
Description ........................................................... 109
. Diagnostic Procedure ........................................... 129 .
CONSULT-II Reference Value ............................. 109 . Component Inspection ......................................... 131 .
On Board Diagnosis Logic ................................... 109 . DTC P1721 VEHICLE SPEED SENSOR MTR ...... 132 .
Possible Cause .................................................... 109. Description ........................................................... 132
.
DTC Confirmation Procedure .............................. 109 . CONSULT-II Reference Value .............................. 132 .
Diagnostic Procedure .......................................... 110 . On Board Diagnosis Logic ................................... 132 .
DTC P0720 VEHICLE SPEED SENSOR A/T (REV- Possible Cause .................................................... 132
.
OLUTION SENSOR) .............................................. 111 . DTC Confirmation Procedure ............................... 132 .
Description ............................................................111
. Diagnostic Procedure ........................................... 133 .
CONSULT-II Reference Value ..............................111 . DTC P1730 A/T INTERLOCK ................................ 134 .
On Board Diagnosis Logic ....................................111 . Description ........................................................... 134
.
Possible Cause .....................................................111. On Board Diagnosis Logic ................................... 134 .
DTC Confirmation Procedure ...............................111 . Possible Cause .................................................... 134
.
Wiring Diagram -- AT -- VSSA/T ........................ 113 . DTC Confirmation Procedure ............................... 134 .
Diagnostic Procedure .......................................... 114 . Judgement of A/T Interlock .................................. 135 .
DTC P0725 ENGINE SPEED SIGNAL .................. 116 . Diagnostic Procedure ........................................... 135 .
Description ........................................................... 116
. DTC P1731 A/T 1ST ENGINE BRAKING .............. 137 .
CONSULT-II Reference Value ............................. 116 . Description ........................................................... 137
.
On Board Diagnosis Logic ................................... 116 . CONSULT-II Reference Value .............................. 137 .
Possible Cause .................................................... 116. On Board Diagnosis Logic ................................... 137 .
DTC Confirmation Procedure .............................. 116 . Possible Cause .................................................... 137
.
Diagnostic Procedure .......................................... 117 . DTC Confirmation Procedure ............................... 137 .
DTC P0740 TORQUE CONVERTER CLUTCH Diagnostic Procedure ........................................... 138 .
SOLENOID VALVE ................................................ 118 . DTC P1752 INPUT CLUTCH SOLENOID VALVE . 139
Description ........................................................... 118
. Description ........................................................... 139
.
CONSULT-II Reference Value ............................. 118 . CONSULT-II Reference Value .............................. 139 .
On Board Diagnosis Logic ................................... 118 . On Board Diagnosis Logic ................................... 139 .
Possible Cause .................................................... 118. Possible Cause .................................................... 139
.
DTC Confirmation Procedure .............................. 118 . DTC Confirmation Procedure ............................... 139 .
Diagnostic Procedure .......................................... 119 . Diagnostic Procedure ........................................... 140 .
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP). 120 DTC P1754 INPUT CLUTCH SOLENOID VALVE
Description ........................................................... 120
. FUNCTION ............................................................. 141
.
CONSULT-II Reference Value ............................. 120 . Description ........................................................... 141
.
On Board Diagnosis Logic ................................... 120 . CONSULT-II Reference Value .............................. 141 .
Possible Cause .................................................... 120. On Board Diagnosis Logic ................................... 141 .
DTC Confirmation Procedure .............................. 120 . Possible Cause .................................................... 141
.
Diagnostic Procedure .......................................... 121 . DTC Confirmation Procedure ............................... 141 .
DTC P0745 LINE PRESSURE SOLENOID VALVE. 122 Diagnostic Procedure ........................................... 142 .
Description ........................................................... 122
. DTC P1757 FRONT BRAKE SOLENOID VALVE .. 143 .
CONSULT-II Reference Value ............................. 122 . Description ........................................................... 143
.
On Board Diagnosis Logic ................................... 122 . CONSULT-II Reference Value .............................. 143 .
Possible Cause .................................................... 122. On Board Diagnosis Logic ................................... 143 .
DTC Confirmation Procedure .............................. 122 . Possible Cause .................................................... 143
.
Diagnostic Procedure .......................................... 123 . DTC Confirmation Procedure ............................... 143 .
DTC P1705 THROTTLE POSITION SENSOR ...... 124 . Diagnostic Procedure ........................................... 144 .
Description ........................................................... 124
. DTC P1759 FRONT BRAKE SOLENOID VALVE
CONSULT-II Reference Value ............................. 124 . FUNCTION ............................................................. 145
.
On Board Diagnosis Logic ................................... 124 . Description ........................................................... 145
.
Possible Cause .................................................... 124. CONSULT-II Reference Value .............................. 145 .
DTC Confirmation Procedure .............................. 124 . On Board Diagnosis Logic ................................... 145 .
Diagnostic Procedure .......................................... 125 . Possible Cause .................................................... 145
.
DTC P1710 A/T FLUID TEMPERATURE SENSOR DTC Confirmation Procedure ............................... 145 .
CIRCUIT ................................................................. 127
. Diagnostic Procedure ........................................... 146 .
Description ........................................................... 127
. DTC P1762 DIRECT CLUTCH SOLENOID VALVE.147
CONSULT-II Reference Value ............................. 127 . Description ........................................................... 147
.
Revision: September 2006 AT-2 2007 Pathfinder
CONSULT-II Reference Value ............................. 147 . DTC P1845 ATF PRESSURE SWITCH 5 .............. 163 .
On Board Diagnosis Logic .................................. 147 . Description ........................................................... 163
. A
Possible Cause ................................................... 147 . CONSULT-II Reference Value ............................. 163 .
DTC Confirmation Procedure .............................. 147 . On Board Diagnosis Logic ................................... 163 .
Diagnostic Procedure .......................................... 148 . Possible Cause .................................................... 163
. B
DTC P1764 DIRECT CLUTCH SOLENOID VALVE DTC Confirmation Procedure .............................. 163 .
FUNCTION ............................................................. 149
. Diagnostic Procedure .......................................... 164 .
Description .......................................................... 149
. DTC P1846 ATF PRESSURE SWITCH 6 .............. 165 .
CONSULT-II Reference Value ............................. 149 . Description ........................................................... 165
. AT
On Board Diagnosis Logic .................................. 149 . CONSULT-II Reference Value ............................. 165 .
Possible Cause ................................................... 149 . On Board Diagnosis Logic ................................... 165 .
DTC Confirmation Procedure .............................. 149 . Possible Cause .................................................... 165
. D
Diagnostic Procedure .......................................... 150 . DTC Confirmation Procedure .............................. 165 .
DTC P1767 HIGH AND LOW REVERSE CLUTCH Diagnostic Procedure .......................................... 166 .
SOLENOID VALVE ................................................ 151 . MAIN POWER SUPPLY AND GROUND CIRCUIT. 167 E
Description .......................................................... 151
. Wiring Diagram -- AT -- MAIN ........................... 167 .
CONSULT-II Reference Value ............................. 151 . Diagnostic Procedure .......................................... 168 .
On Board Diagnosis Logic .................................. 151 . CLOSED THROTTLE POSITION AND WIDE OPEN
Possible Cause ................................................... 151 . THROTTLE POSITION CIRCUIT ........................... 171 . F
DTC Confirmation Procedure .............................. 151 . CONSULT-II Reference Value ............................. 171 .
Diagnostic Procedure .......................................... 152 . Diagnostic Procedure .......................................... 171 .
DTC P1769 HIGH AND LOW REVERSE CLUTCH BRAKE SIGNAL CIRCUIT ..................................... 172 . G
SOLENOID VALVE FUNCTION ............................ 153 . CONSULT-II Reference Value ............................. 172 .
Description .......................................................... 153
. Diagnostic Procedure .......................................... 172 .
CONSULT-II Reference Value ............................. 153 . OVERDRIVE CONTROL SWITCH ........................ 173 . H
On Board Diagnosis Logic .................................. 153 . CONSULT-II Reference Value ............................. 173 .
Possible Cause ................................................... 153 . Diagnostic Procedure .......................................... 173 .
DTC Confirmation Procedure .............................. 153 . TROUBLE DIAGNOSIS FOR SYMPTOMS ........... 175 .
I
Diagnostic Procedure .......................................... 154 . Wiring Diagram -- AT -- NONDTC ..................... 175 .
DTC P1772 LOW COAST BRAKE SOLENOID O/D OFF Indicator Lamp Does Not Come On ..... 177 .
VALVE .................................................................... 155
. Engine Cannot Be Started In "P" or "N" Position . 178
Description .......................................................... 155
. In "P" Position, Vehicle Moves When Pushed ..... 179 . J
CONSULT-II Reference Value ............................. 155 . In "N" Position, Vehicle Moves ............................. 180 .
On Board Diagnosis Logic .................................. 155 . Large Shock ("N" to "D" Position) ........................ 181 .
Possible Cause ................................................... 155 . Vehicle Does Not Creep Backward In "R" Position 183 . K
DTC Confirmation Procedure .............................. 155 . Vehicle Does Not Creep Forward In "D" Position . 186
Diagnostic Procedure .......................................... 156 . Vehicle Cannot Be Started From D1 .................... 188 .
DTC P1774 LOW COAST BRAKE SOLENOID A/T Does Not Shift: D1 D 2 ............................... 190 .
L
VALVE FUNCTION ................................................ 157 . A/T Does Not Shift: D2 D 3 ............................... 192 .
Description .......................................................... 157
. A/T Does Not Shift: D3 D 4 ............................... 194 .
CONSULT-II Reference Value ............................. 157 . A/T Does Not Shift: D4 D 5 ............................... 196 .
On Board Diagnosis Logic .................................. 157 . A/T Does Not Perform Lock-up ........................... 198 . M
Possible Cause ................................................... 157 . A/T Does Not Hold Lock-up Condition ................. 200 .
DTC Confirmation Procedure .............................. 157 . Lock-up Is Not Released ..................................... 202 .
Diagnostic Procedure .......................................... 158 . Engine Speed Does Not Return to Idle ............... 203 .
DTC P1841 ATF PRESSURE SWITCH 1 .............. 159 . A/T Does Not Shift: 5th gear 4th gear ............. 205 .
Description .......................................................... 159
. A/T Does Not Shift: 4th gear 3rd gear ............. 207 .
CONSULT-II Reference Value ............................. 159 . A/T Does Not Shift: 3rd gear 2nd gear ............ 209 .
On Board Diagnosis Logic .................................. 159 . A/T Does Not Shift: 2nd gear 1st gear ............ 211 .
Possible Cause ................................................... 159 . Vehicle Does Not Decelerate By Engine Brake ... 213 .
DTC Confirmation Procedure .............................. 159 . SHIFT CONTROL SYSTEM ................................... 215 .
Diagnostic Procedure .......................................... 160 . Control Device Removal and Installation ............. 215 .
DTC P1843 ATF PRESSURE SWITCH 3 .............. 161 . Adjustment of A/T Position .................................. 216 .
Description .......................................................... 161
. Checking of A/T Position ..................................... 216 .
CONSULT-II Reference Value ............................. 161 . A/T SHIFT LOCK SYSTEM ................................... 217 .
On Board Diagnosis Logic .................................. 161 . Description ........................................................... 217
.
Possible Cause ................................................... 161 . Shift Lock System Electrical Parts Location ........ 217 .
DTC Confirmation Procedure .............................. 161 . Wiring Diagram -- A/T -- SHIFT ......................... 218 .
Diagnostic Procedure .......................................... 162 . Diagnostic Procedure .......................................... 219 .
Revision: September 2006 AT-3 2007 Pathfinder
KEY INTERLOCK CABLE ..................................... 222 . Oil Pump .............................................................. 276
.
Components ........................................................ 222 . Front Sun Gear, 3rd One-Way Clutch .................. 279 .
Removal and Installation ..................................... 223 . Front Carrier, Input Clutch, Rear Internal Gear .... 281 .
ON-VEHICLE SERVICE ......................................... 225 . Mid Sun Gear, Rear Sun Gear, High and Low
Oil Pan ................................................................. 225
. Reverse Clutch Hub ............................................. 287 .
Control Valve With TCM and A/T Fluid Temperature High and Low Reverse Clutch ............................. 292 .
Sensor 2 .............................................................. 227
. Direct Clutch ........................................................ 294
.
Rear Oil Seal ....................................................... 236
. ASSEMBLY ............................................................ 296
.
AIR BREATHER HOSE .......................................... 237 . Assembly (1) ........................................................ 296
.
Removal and Installation ..................................... 237 . Adjustment ........................................................... 309
.
A/T FLUID COOLER .............................................. 239 . Assembly (2) ........................................................ 311
.
Removal and Installation ..................................... 239 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 318 .
TRANSMISSION ASSEMBLY ............................... 240 . General Specifications ......................................... 318 .
Removal and Installation (2WD) .......................... 240 . Vehicle Speed at Which Gear Shifting Occurs ..... 318 .
Removal and Installation (4WD) .......................... 243 . Vehicle Speed at Which Lock-up Occurs/Releases.319
OVERHAUL ............................................................ 246. Stall Speed ........................................................... 319
.
Components ........................................................ 246 . Line Pressure ....................................................... 319
.
Oil Channel .......................................................... 254
. A/T Fluid Temperature Sensor ............................. 319 .
Locations of Adjusting Shims, Needle Bearings, Turbine Revolution Sensor ................................... 319 .
Thrust Washers and Snap Rings ......................... 256 . Vehicle Speed Sensor A/T (Revolution Sensor) .. 320 .
DISASSEMBLY ...................................................... 258 . Reverse brake ...................................................... 320
.
Disassembly ........................................................ 258. Total End Play ...................................................... 320
.
REPAIR FOR COMPONENT PARTS ..................... 276 .
Revision: September 2006 AT-4 2007 Pathfinder
INDEX FOR DTC
INDEX FOR DTC PFP:00024
A
Alphabetical Index ECS00EEA
NOTE:
If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000. Refer to B
AT-97, "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-137
D
ATF PRES SW 1/CIRC -- P1841 AT-159
ATF PRES SW 3/CIRC -- P1843 AT-161
ATF PRES SW 5/CIRC -- P1845 AT-163 E
ATF PRES SW 6/CIRC -- P1846 AT-165
A/T INTERLOCK P1730 P1730 AT-134
F
A/T TCC S/V FNCTN P0744 (*2) P0744 AT-120
ATF TEMP SEN/CIRC P0710 P1710 AT-127
CAN COMM CIRCUIT U1000 U1000 AT-97 G
D/C SOLENOID/CIRC P1762 P1762 AT-147
D/C SOLENOID FNCTN P1764 (*2) P1764 AT-149
ENGINE SPEED SIG -- P0725 AT-116
H
FR/B SOLENOID/CIRC P1757 P1757 AT-143
FR/B SOLENOID FNCT P1759 (*2) P1759 AT-145
I
HLR/C SOL/CIRC P1767 P1767 AT-151
HLR/C SOL FNCTN P1769 (*2) P1769 AT-153
I/C SOLENOID/CIRC P1752 P1752 AT-139 J
I/C SOLENOID FNCTN P1754 (*2) P1754 AT-141
L/PRESS SOL/CIRC P0745 P0745 AT-122
K
LC/B SOLENOID/CIRC P1772 P1772 AT-155
LC/B SOLENOID FNCT P1774 (*2) P1774 AT-157
PNP SW/CIRC P0705 P0705 AT-105 L
STARTER RELAY/CIRC -- P0615 AT-100
TCC SOLENOID/CIRC P0740 P0740 AT-118
M
TCM P0700 P0700 AT-104
TP SEN/CIRC A/T -- P1705 AT-124
TURBINE REV S/CIRC P0717 P0717 AT-109
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