Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Xterra 2005-2007.2009 Approved Nissan Xterra 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 ................................. 51 . F
Alphabetical Index ................................................... 5
. Schematic .............................................................. 53
.
DTC No. Index ........................................................ 6
. Inspections Before Trouble Diagnosis ................... 54 .
PRECAUTIONS ......................................................... 7 . Check Before Engine is Started ............................. 58 . G
Precautions for Supplemental Restraint System Check at Idle .......................................................... 58
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Cruise Test - Part 1 ................................................ 59
.
SIONER" ................................................................. 7
. Cruise Test - Part 2 ................................................ 61
.
H
Precautions for On Board Diagnostic (OBD) System Cruise Test - Part 3 ................................................ 62
.
of A/T and Engine ................................................... 7. Vehicle Speed at Which Gear Shifting Occurs ...... 64 .
Precautions ............................................................. 8
. Vehicle Speed at Which Lock-up Occurs/Releases 64 ...
Service Notice or Precautions ................................. 9 . Symptom Chart ...................................................... 65
. I
PREPARATION ........................................................ 10 . TCM Input/Output Signal Reference Values .......... 87 .
Special Service Tools ............................................ 10 . CONSULT-II Function (A/T) ................................... 88 .
Commercial Service Tools ..................................... 12 . Diagnostic Procedure Without CONSULT-II .......... 96 . J
A/T FLUID ................................................................ 13
. DTC U1000 CAN COMMUNICATION LINE ............. 98 .
Checking the A/T Fluid (ATF) ................................ 13 . Description ............................................................. 98
.
Changing the A/T Fluid (ATF) ............................... 15 . On Board Diagnosis Logic ..................................... 98 .
K
A/T Fluid Cooler Cleaning ..................................... 16 . Possible Cause ...................................................... 98
.
A/T CONTROL SYSTEM ......................................... 19 . DTC Confirmation Procedure ................................ 98 .
Cross-Sectional View ............................................ 19 . Wiring Diagram -- AT -- CAN ............................... 99 .
Shift Mechanism .................................................... 21. Diagnostic Procedure .......................................... 100 . L
TCM Function ........................................................ 32
. DTC P0615 START SIGNAL CIRCUIT .................. 101 .
CAN Communication ............................................. 33 . Description ........................................................... 101
.
Input/Output Signal of TCM ................................... 33 . CONSULT-II Reference Value ............................. 101 . M
Line Pressure Control ........................................... 34 . On Board Diagnosis Logic ................................... 101 .
Shift Control .......................................................... 35
. Possible Cause .................................................... 101
.
Lock-up Control ..................................................... 36
. DTC Confirmation Procedure .............................. 101 .
Engine Brake Control ............................................ 37 . Wiring Diagram -- AT -- STSIG ......................... 102 .
Control Valve ......................................................... 38
. Diagnostic Procedure .......................................... 103 .
ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 40 . DTC P0700 TCM .................................................... 105 .
Introduction ........................................................... 40
. Description ........................................................... 105
.
OBD-II Function for A/T System ............................ 40 . On Board Diagnosis Logic ................................... 105 .
One or Two Trip Detection Logic of OBD-II ........... 40 . Possible Cause .................................................... 105
.
OBD-II Diagnostic Trouble Code (DTC) ................ 40 . DTC Confirmation Procedure .............................. 105 .
Malfunction Indicator Lamp (MIL) .......................... 43 . Diagnostic Procedure .......................................... 105 .
TROUBLE DIAGNOSIS ........................................... 44 . DTC P0705 PARK/NEUTRAL POSITION SWITCH. 106
DTC Inspection Priority Chart ............................... 44 . Description ........................................................... 106
.
Fail-Safe ................................................................ 44
. CONSULT-II Reference Value ............................. 106 .
How To Perform Trouble Diagnosis For Quick and On Board Diagnosis Logic ................................... 106 .
Accurate Repair .................................................... 46. Possible Cause .................................................... 106
.
Revision: September 2006 AT-1 2007 Xterra
DTC Confirmation Procedure .............................. 106 . On Board Diagnosis Logic ................................... 128 .
Wiring Diagram -- AT -- PNP/SW ...................... 107 . Possible Cause .................................................... 128
.
Diagnostic Procedure .......................................... 108 . DTC Confirmation Procedure ............................... 128 .
DTC P0717 TURBINE REVOLUTION SENSOR ... 110 . Wiring Diagram -- AT -- FTS .............................. 129 .
Description ........................................................... 110
. Diagnostic Procedure ........................................... 130 .
CONSULT-II Reference Value ............................. 110 . Component Inspection ......................................... 132 .
On Board Diagnosis Logic ................................... 110 . DTC P1721 VEHICLE SPEED SENSOR MTR ...... 133 .
Possible Cause .................................................... 110. Description ........................................................... 133
.
DTC Confirmation Procedure .............................. 110 . CONSULT-II Reference Value .............................. 133 .
Diagnostic Procedure ...........................................111 . On Board Diagnosis Logic ................................... 133 .
DTC P0720 VEHICLE SPEED SENSOR A/T (REV- Possible Cause .................................................... 133
.
OLUTION SENSOR) .............................................. 112 . DTC Confirmation Procedure ............................... 133 .
Description ........................................................... 112
. Diagnostic Procedure ........................................... 134 .
CONSULT-II Reference Value ............................. 112 . DTC P1730 A/T INTERLOCK ................................ 135 .
On Board Diagnosis Logic ................................... 112 . Description ........................................................... 135
.
Possible Cause .................................................... 112. On Board Diagnosis Logic ................................... 135 .
DTC Confirmation Procedure .............................. 112 . Possible Cause .................................................... 135
.
Wiring Diagram -- AT -- VSSA/T ........................ 114 . DTC Confirmation Procedure ............................... 135 .
Diagnostic Procedure .......................................... 115 . Judgement of A/T Interlock .................................. 136 .
DTC P0725 ENGINE SPEED SIGNAL .................. 117 . Diagnostic Procedure ........................................... 136 .
Description ........................................................... 117
. DTC P1731 A/T 1ST ENGINE BRAKING .............. 138 .
CONSULT-II Reference Value ............................. 117 . Description ........................................................... 138
.
On Board Diagnosis Logic ................................... 117 . CONSULT-II Reference Value .............................. 138 .
Possible Cause .................................................... 117. On Board Diagnosis Logic ................................... 138 .
DTC Confirmation Procedure .............................. 117 . Possible Cause .................................................... 138
.
Diagnostic Procedure .......................................... 118 . DTC Confirmation Procedure ............................... 138 .
DTC P0740 TORQUE CONVERTER CLUTCH Diagnostic Procedure ........................................... 139 .
SOLENOID VALVE ................................................ 119 . DTC P1752 INPUT CLUTCH SOLENOID VALVE . 140
Description ........................................................... 119
. Description ........................................................... 140
.
CONSULT-II Reference Value ............................. 119 . CONSULT-II Reference Value .............................. 140 .
On Board Diagnosis Logic ................................... 119 . On Board Diagnosis Logic ................................... 140 .
Possible Cause .................................................... 119. Possible Cause .................................................... 140
.
DTC Confirmation Procedure .............................. 119 . DTC Confirmation Procedure ............................... 140 .
Diagnostic Procedure .......................................... 120 . Diagnostic Procedure ........................................... 141 .
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP). 121 DTC P1754 INPUT CLUTCH SOLENOID VALVE
Description ........................................................... 121
. FUNCTION ............................................................. 142
.
CONSULT-II Reference Value ............................. 121 . Description ........................................................... 142
.
On Board Diagnosis Logic ................................... 121 . CONSULT-II Reference Value .............................. 142 .
Possible Cause .................................................... 121. On Board Diagnosis Logic ................................... 142 .
DTC Confirmation Procedure .............................. 121 . Possible Cause .................................................... 142
.
Diagnostic Procedure .......................................... 122 . DTC Confirmation Procedure ............................... 142 .
DTC P0745 LINE PRESSURE SOLENOID VALVE. 123 Diagnostic Procedure ........................................... 143 .
Description ........................................................... 123
. DTC P1757 FRONT BRAKE SOLENOID VALVE .. 144 .
CONSULT-II Reference Value ............................. 123 . Description ........................................................... 144
.
On Board Diagnosis Logic ................................... 123 . CONSULT-II Reference Value .............................. 144 .
Possible Cause .................................................... 123. On Board Diagnosis Logic ................................... 144 .
DTC Confirmation Procedure .............................. 123 . Possible Cause .................................................... 144
.
Diagnostic Procedure .......................................... 124 . DTC Confirmation Procedure ............................... 144 .
DTC P1705 THROTTLE POSITION SENSOR ...... 125 . Diagnostic Procedure ........................................... 145 .
Description ........................................................... 125
. DTC P1759 FRONT BRAKE SOLENOID VALVE
CONSULT-II Reference Value ............................. 125 . FUNCTION ............................................................. 146
.
On Board Diagnosis Logic ................................... 125 . Description ........................................................... 146
.
Possible Cause .................................................... 125. CONSULT-II Reference Value .............................. 146 .
DTC Confirmation Procedure .............................. 125 . On Board Diagnosis Logic ................................... 146 .
Diagnostic Procedure .......................................... 126 . Possible Cause .................................................... 146
.
DTC P1710 A/T FLUID TEMPERATURE SENSOR DTC Confirmation Procedure ............................... 146 .
CIRCUIT ................................................................. 128
. Diagnostic Procedure ........................................... 147 .
Description ........................................................... 128
. DTC P1762 DIRECT CLUTCH SOLENOID VALVE.148
CONSULT-II Reference Value ............................. 128 . Description ........................................................... 148
.
Revision: September 2006 AT-2 2007 Xterra
CONSULT-II Reference Value ............................. 148 . DTC P1845 ATF PRESSURE SWITCH 5 .............. 164 .
On Board Diagnosis Logic .................................. 148 . Description ........................................................... 164
. A
Possible Cause ................................................... 148 . CONSULT-II Reference Value ............................. 164 .
DTC Confirmation Procedure .............................. 148 . On Board Diagnosis Logic ................................... 164 .
Diagnostic Procedure .......................................... 149 . Possible Cause .................................................... 164
. B
DTC P1764 DIRECT CLUTCH SOLENOID VALVE DTC Confirmation Procedure .............................. 164 .
FUNCTION ............................................................. 150
. Diagnostic Procedure .......................................... 165 .
Description .......................................................... 150
. DTC P1846 ATF PRESSURE SWITCH 6 .............. 166 .
CONSULT-II Reference Value ............................. 150 . Description ........................................................... 166
. AT
On Board Diagnosis Logic .................................. 150 . CONSULT-II Reference Value ............................. 166 .
Possible Cause ................................................... 150 . On Board Diagnosis Logic ................................... 166 .
DTC Confirmation Procedure .............................. 150 . Possible Cause .................................................... 166
. D
Diagnostic Procedure .......................................... 151 . DTC Confirmation Procedure .............................. 166 .
DTC P1767 HIGH AND LOW REVERSE CLUTCH Diagnostic Procedure .......................................... 167 .
SOLENOID VALVE ................................................ 152 . MAIN POWER SUPPLY AND GROUND CIRCUIT. 168 E
Description .......................................................... 152
. Wiring Diagram -- AT -- MAIN ........................... 168 .
CONSULT-II Reference Value ............................. 152 . Diagnostic Procedure .......................................... 169 .
On Board Diagnosis Logic .................................. 152 . CLOSED THROTTLE POSITION AND WIDE OPEN
Possible Cause ................................................... 152 . THROTTLE POSITION CIRCUIT ........................... 172 . F
DTC Confirmation Procedure .............................. 152 . CONSULT-II Reference Value ............................. 172 .
Diagnostic Procedure .......................................... 153 . Diagnostic Procedure .......................................... 172 .
DTC P1769 HIGH AND LOW REVERSE CLUTCH BRAKE SIGNAL CIRCUIT ..................................... 173 . G
SOLENOID VALVE FUNCTION ............................ 154 . CONSULT-II Reference Value ............................. 173 .
Description .......................................................... 154
. Diagnostic Procedure .......................................... 173 .
CONSULT-II Reference Value ............................. 154 . OVERDRIVE CONTROL SWITCH ........................ 174 . H
On Board Diagnosis Logic .................................. 154 . CONSULT-II Reference Value ............................. 174 .
Possible Cause ................................................... 154 . Diagnostic Procedure .......................................... 174 .
DTC Confirmation Procedure .............................. 154 . TROUBLE DIAGNOSIS FOR SYMPTOMS ........... 176 .
I
Diagnostic Procedure .......................................... 155 . Wiring Diagram -- AT -- NONDTC ..................... 176 .
DTC P1772 LOW COAST BRAKE SOLENOID O/D OFF Indicator Lamp Does Not Come On ..... 178 .
VALVE .................................................................... 156
. Engine Cannot Be Started In "P" or "N" Position . 179
Description .......................................................... 156
. In "P" Position, Vehicle Moves When Pushed ..... 180 . J
CONSULT-II Reference Value ............................. 156 . In "N" Position, Vehicle Moves ............................. 181 .
On Board Diagnosis Logic .................................. 156 . Large Shock ("N" to "D" Position) ........................ 182 .
Possible Cause ................................................... 156 . Vehicle Does Not Creep Backward In "R" Position 184 . K
DTC Confirmation Procedure .............................. 156 . Vehicle Does Not Creep Forward In "D" Position . 187
Diagnostic Procedure .......................................... 157 . Vehicle Cannot Be Started From D1 .................... 189 .
DTC P1774 LOW COAST BRAKE SOLENOID A/T Does Not Shift: D1 D 2 ............................... 191 .
L
VALVE FUNCTION ................................................ 158 . A/T Does Not Shift: D2 D 3 ............................... 193 .
Description .......................................................... 158
. A/T Does Not Shift: D3 D 4 ............................... 195 .
CONSULT-II Reference Value ............................. 158 . A/T Does Not Shift: D4 D 5 ............................... 197 .
On Board Diagnosis Logic .................................. 158 . A/T Does Not Perform Lock-up ........................... 199 . M
Possible Cause ................................................... 158 . A/T Does Not Hold Lock-up Condition ................. 201 .
DTC Confirmation Procedure .............................. 158 . Lock-up Is Not Released ..................................... 203 .
Diagnostic Procedure .......................................... 159 . Engine Speed Does Not Return to Idle ............... 204 .
DTC P1841 ATF PRESSURE SWITCH 1 .............. 160 . A/T Does Not Shift: 5th gear 4th gear ............. 206 .
Description .......................................................... 160
. A/T Does Not Shift: 4th gear 3rd gear ............. 208 .
CONSULT-II Reference Value ............................. 160 . A/T Does Not Shift: 3rd gear 2nd gear ............ 210 .
On Board Diagnosis Logic .................................. 160 . A/T Does Not Shift: 2nd gear 1st gear ............ 212 .
Possible Cause ................................................... 160 . Vehicle Does Not Decelerate By Engine Brake ... 214 .
DTC Confirmation Procedure .............................. 160 . SHIFT CONTROL SYSTEM ................................... 216 .
Diagnostic Procedure .......................................... 161 . Control Device Removal and Installation ............. 216 .
DTC P1843 ATF PRESSURE SWITCH 3 .............. 162 . Adjustment of A/T Position .................................. 217 .
Description .......................................................... 162
. Checking of A/T Position ..................................... 217 .
CONSULT-II Reference Value ............................. 162 . A/T SHIFT LOCK SYSTEM ................................... 218 .
On Board Diagnosis Logic .................................. 162 . Description ........................................................... 218
.
Possible Cause ................................................... 162 . Shift Lock System Electrical Parts Location ........ 218 .
DTC Confirmation Procedure .............................. 162 . Wiring Diagram -- A/T -- SHIFT ......................... 219 .
Diagnostic Procedure .......................................... 163 . Diagnostic Procedure .......................................... 220 .
Revision: September 2006 AT-3 2007 Xterra
KEY INTERLOCK CABLE ..................................... 223 . Oil Pump .............................................................. 277
.
Components ........................................................ 223 . Front Sun Gear, 3rd One-Way Clutch .................. 280 .
Removal and Installation ..................................... 224 . Front Carrier, Input Clutch, Rear Internal Gear .... 282 .
ON-VEHICLE SERVICE ......................................... 226 . Mid Sun Gear, Rear Sun Gear, High and Low
Oil Pan ................................................................. 226
. Reverse Clutch Hub ............................................. 288 .
Control Valve With TCM and A/T Fluid Temperature High and Low Reverse Clutch ............................. 293 .
Sensor 2 .............................................................. 228
. Direct Clutch ........................................................ 295
.
Rear Oil Seal ....................................................... 237
. ASSEMBLY ............................................................ 297
.
AIR BREATHER HOSE .......................................... 238 . Assembly (1) ........................................................ 297
.
Removal and Installation ..................................... 238 . Adjustment ........................................................... 310
.
A/T FLUID COOLER .............................................. 240 . Assembly (2) ........................................................ 312
.
Removal and Installation ..................................... 240 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 319 .
TRANSMISSION ASSEMBLY ............................... 241 . General Specifications ......................................... 319 .
Removal and Installation (2WD) .......................... 241 . Vehicle Speed at Which Gear Shifting Occurs ..... 319 .
Removal and Installation (4WD) .......................... 244 . Vehicle Speed at Which Lock-up Occurs/Releases.320
OVERHAUL ............................................................ 247. Stall Speed ........................................................... 320
.
Components ........................................................ 247 . Line Pressure ....................................................... 321
.
Oil Channel .......................................................... 255
. A/T Fluid Temperature Sensor ............................. 321 .
Locations of Adjusting Shims, Needle Bearings, Turbine Revolution Sensor ................................... 321 .
Thrust Washers and Snap Rings ......................... 257 . Vehicle Speed Sensor A/T (Revolution Sensor) .. 321 .
DISASSEMBLY ...................................................... 259 . Reverse brake ...................................................... 321
.
Disassembly ........................................................ 259. Total End Play ...................................................... 321
.
REPAIR FOR COMPONENT PARTS ..................... 277 .
Revision: September 2006 AT-4 2007 Xterra
INDEX FOR DTC
INDEX FOR DTC PFP:00024
A
Alphabetical Index ECS00CLW
NOTE:
If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000. Refer to B
AT-98, "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-138
D
ATF PRES SW 1/CIRC -- P1841 AT-160
ATF PRES SW 3/CIRC -- P1843 AT-162
ATF PRES SW 5/CIRC -- P1845 AT-164 E
ATF PRES SW 6/CIRC -- P1846 AT-166
A/T INTERLOCK P1730 P1730 AT-135
F
A/T TCC S/V FNCTN P0744 P0744 AT-121
ATF TEMP SEN/CIRC P0710 P1710 AT-128
CAN COMM CIRCUIT U1000 U1000 AT-98 G
D/C SOLENOID/CIRC P1762 P1762 AT-148
D/C SOLENOID FNCTN P1764 (*2 ) P1764 AT-150
ENGINE SPEED SIG -- P0725 AT-117
H
FR/B SOLENOID/CIRC P1757 P1757 AT-144
FR/B SOLENOID FNCT P1759 P1759 AT-146
I
HLR/C SOL/CIRC P1767 P1767 AT-152
HLR/C SOL FNCTN P1769 (*2) P1769 AT-154
I/C SOLENOID/CIRC P1752 P1752 AT-140 J
I/C SOLENOID FNCTN P1754 (*2) P1754 AT-142
L/PRESS SOL/CIRC P0745 P0745 AT-123
K
LC/B SOLENOID/CIRC P1772 P1772 AT-156
LC/B SOLENOID FNCT P1774 P1774 AT-158
PNP SW/CIRC P0705 P0705 AT-106 L
STARTER RELAY/CIRC -- P0615 AT-101
TCC SOLENOID/CIRC P0740 P0740 AT-119
M
TCM P0700 P0700 AT-105
TP SEN/CIRC A/T -- P1705 AT-125
TURBINE REV S/CIRC P07017 P0717 AT-110
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