Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Armada 2004-2009 Approved Nissan Armada 2007 AT
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C TRANSMISSION/TRANSAXLE
A
B
SECTION
AUTOMATIC TRANSMISSION AT
D
E
CONTENTS
INDEX FOR DTC ....................................................... 5 . Accurate Repair ..................................................... 44
. F
Alphabetical Index ................................................... 5
. A/T Electrical Parts Location ................................. 49 .
DTC No. Index ........................................................ 6
. Schematic .............................................................. 50
.
PRECAUTIONS ......................................................... 7 . Inspections Before Trouble Diagnosis ................... 51 . G
Precautions for Supplemental Restraint System Check Before Engine is Started ............................. 55 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Check at Idle .......................................................... 55
.
SIONER" ................................................................. 7
. Cruise Test - Part 1 ................................................ 56
.
H
Precautions for On Board Diagnostic (OBD) System Cruise Test - Part 2 ................................................ 58
.
of A/T and Engine ................................................... 7. Cruise Test - Part 3 ................................................ 59
.
Precautions ............................................................. 8
. Vehicle Speed When Shifting Gears ..................... 60 .
Service Notice or Precautions ................................. 9 . Vehicle Speed When Performing and Releasing I
PREPARATION ........................................................ 10 . Complete Lock-up ................................................. 60 .
Special Service Tools ............................................ 10 . Symptom Chart ...................................................... 61
.
Commercial Service Tools ......................................11 . TCM Input/Output Signal Reference Values .......... 83 . J
A/T FLUID ................................................................ 12
. CONSULT-II Function (A/T) ................................... 84 .
Changing Automatic Transmission Fluid (ATF) ..... 12 . DTC U1000 CAN COMMUNICATION LINE ............. 93 .
Checking Automatic Transmission Fluid (ATF) ..... 12 . Description ............................................................. 93
.
K
A/T Fluid Cooler Cleaning ..................................... 14 . On Board Diagnosis Logic ..................................... 93 .
A/T CONTROL SYSTEM ......................................... 17 . Possible Cause ...................................................... 93
.
Cross-Sectional View (2WD models) .................... 17 . DTC Confirmation Procedure ................................ 93 .
Cross-Sectional View (4WD models) .................... 18 . Wiring Diagram -- AT -- CAN ............................... 94 . L
Shift Mechanism .................................................... 19. Diagnostic Procedure ............................................ 95 .
TCM Function ........................................................ 30
. DTC P0615 START SIGNAL CIRCUIT .................... 96 .
CAN Communication ............................................. 31 . Description ............................................................. 96
. M
Input/Output Signal of TCM ................................... 31 . CONSULT-II Reference Value ............................... 96 .
Line Pressure Control ........................................... 32 . On Board Diagnosis Logic ..................................... 96 .
Shift Control .......................................................... 33
. Possible Cause ...................................................... 96
.
Lock-up Control ..................................................... 34
. DTC Confirmation Procedure ................................ 96 .
Engine Brake Control ............................................ 36 . Wiring Diagram -- AT -- STSIG ........................... 97 .
Control Valve ......................................................... 36
. Diagnostic Procedure ............................................ 98 .
ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 38 . DTC P0700 TCM .................................................... 100 .
Introduction ........................................................... 38
. Description ........................................................... 100
.
OBD-II Function for A/T System ............................ 38 . On Board Diagnosis Logic ................................... 100 .
One or Two Trip Detection Logic of OBD-II ........... 38 . Possible Cause .................................................... 100
.
OBD-II Diagnostic Trouble Code (DTC) ................ 38 . DTC Confirmation Procedure .............................. 100 .
Malfunction Indicator Lamp (MIL) .......................... 41 . Diagnostic Procedure .......................................... 100 .
TROUBLE DIAGNOSIS ........................................... 42 . DTC P0705 PARK/NEUTRAL POSITION SWITCH. 101
DTC Inspection Priority Chart ............................... 42 . Description ........................................................... 101
.
Fail-Safe ................................................................ 42
. CONSULT-II Reference Value ............................. 101 .
How To Perform Trouble Diagnosis For Quick and On Board Diagnosis Logic ................................... 101 .
Revision: August 2006 AT-1 2007 Armada
Possible Cause .................................................... 101. CONSULT-II Reference Value .............................. 123 .
DTC Confirmation Procedure .............................. 101 . On Board Diagnosis Logic ................................... 123 .
Wiring Diagram -- AT -- PNP/SW ...................... 102 . Possible Cause .................................................... 123
.
Diagnostic Procedure .......................................... 103 . DTC Confirmation Procedure ............................... 123 .
DTC P0717 TURBINE REVOLUTION SENSOR ... 105 . Wiring Diagram -- AT -- FTS .............................. 124 .
Description ........................................................... 105
. Diagnostic Procedure ........................................... 125 .
CONSULT-II Reference Value ............................. 105 . Component Inspection ......................................... 126 .
On Board Diagnosis Logic ................................... 105 . DTC P1721 VEHICLE SPEED SENSOR MTR ...... 128 .
Possible Cause .................................................... 105. Description ........................................................... 128
.
DTC Confirmation Procedure .............................. 105 . CONSULT-II Reference Value .............................. 128 .
Diagnostic Procedure .......................................... 106 . On Board Diagnosis Logic ................................... 128 .
DTC P0720 VEHICLE SPEED SENSOR A/T (REV- Possible Cause .................................................... 128
.
OLUTION SENSOR) .............................................. 107 . DTC Confirmation Procedure ............................... 128 .
Description ........................................................... 107
. Diagnostic Procedure ........................................... 129 .
CONSULT-II Reference Value ............................. 107 . DTC P1730 A/T INTERLOCK ................................ 130 .
On Board Diagnosis Logic ................................... 107 . Description ........................................................... 130
.
Possible Cause .................................................... 107. On Board Diagnosis Logic ................................... 130 .
DTC Confirmation Procedure .............................. 107 . Possible Cause .................................................... 130
.
Wiring Diagram -- AT -- VSSA/T ........................ 109 . DTC Confirmation Procedure ............................... 130 .
Diagnostic Procedure .......................................... 110 . Judgement of A/T Interlock .................................. 131 .
DTC P0725 ENGINE SPEED SIGNAL .................. 112 . Diagnostic Procedure ........................................... 131 .
Description ........................................................... 112
. DTC P1731 A/T 1ST ENGINE BRAKING .............. 133 .
CONSULT-II Reference Value ............................. 112 . Description ........................................................... 133
.
On Board Diagnosis Logic ................................... 112 . CONSULT-II Reference Value .............................. 133 .
Possible Cause .................................................... 112. On Board Diagnosis Logic ................................... 133 .
DTC Confirmation Procedure .............................. 112 . Possible Cause .................................................... 133
.
Diagnostic Procedure .......................................... 112 . DTC Confirmation Procedure ............................... 133 .
DTC P0740 TORQUE CONVERTER CLUTCH Diagnostic Procedure ........................................... 134 .
SOLENOID VALVE ................................................ 114 . DTC P1752 INPUT CLUTCH SOLENOID VALVE . 135
Description ........................................................... 114
. Description ........................................................... 135
.
CONSULT-II Reference Value ............................. 114 . CONSULT-II Reference Value .............................. 135 .
On Board Diagnosis Logic ................................... 114 . On Board Diagnosis Logic ................................... 135 .
Possible Cause .................................................... 114. Possible Cause .................................................... 135
.
DTC Confirmation Procedure .............................. 114 . DTC Confirmation Procedure ............................... 135 .
Diagnostic Procedure .......................................... 115 . Diagnostic Procedure ........................................... 136 .
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP). 116 DTC P1754 INPUT CLUTCH SOLENOID VALVE
Description ........................................................... 116
. FUNCTION ............................................................. 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 P0745 LINE PRESSURE SOLENOID VALVE. 118 Diagnostic Procedure ........................................... 138 .
Description ........................................................... 118
. DTC P1757 FRONT BRAKE SOLENOID VALVE .. 139 .
CONSULT-II Reference Value ............................. 118 . Description ........................................................... 139
.
On Board Diagnosis Logic ................................... 118 . CONSULT-II Reference Value .............................. 139 .
Possible Cause .................................................... 118. On Board Diagnosis Logic ................................... 139 .
DTC Confirmation Procedure .............................. 118 . Possible Cause .................................................... 139
.
Diagnostic Procedure .......................................... 119 . DTC Confirmation Procedure ............................... 139 .
DTC P1705 THROTTLE POSITION SENSOR ...... 120 . Diagnostic Procedure ........................................... 140 .
Description ........................................................... 120
. DTC P1759 FRONT BRAKE SOLENOID VALVE
CONSULT-II Reference Value ............................. 120 . FUNCTION ............................................................. 141
.
On Board Diagnosis Logic ................................... 120 . Description ........................................................... 141
.
Possible Cause .................................................... 120. CONSULT-II Reference Value .............................. 141 .
DTC Confirmation Procedure .............................. 120 . On Board Diagnosis Logic ................................... 141 .
Diagnostic Procedure .......................................... 120 . Possible Cause .................................................... 141
.
DTC P1710 A/T FLUID TEMPERATURE SENSOR DTC Confirmation Procedure ............................... 141 .
CIRCUIT ................................................................. 123
. Diagnostic Procedure ........................................... 142 .
Description ........................................................... 123
. DTC P1762 DIRECT CLUTCH SOLENOID VALVE.143
Revision: August 2006 AT-2 2007 Armada
Description .......................................................... 143
. DTC Confirmation Procedure .............................. 157 .
CONSULT-II Reference Value ............................. 143 . Diagnostic Procedure .......................................... 158 . A
On Board Diagnosis Logic .................................. 143 . DTC P1845 ATF PRESSURE SWITCH 5 .............. 159 .
Possible Cause ................................................... 143 . Description ........................................................... 159
.
DTC Confirmation Procedure .............................. 143 . CONSULT-II Reference Value ............................. 159 . B
Diagnostic Procedure .......................................... 144 . On Board Diagnosis Logic ................................... 159 .
DTC P1764 DIRECT CLUTCH SOLENOID VALVE Possible Cause .................................................... 159
.
FUNCTION ............................................................. 145
. DTC Confirmation Procedure .............................. 159 .
Description .......................................................... 145
. Diagnostic Procedure .......................................... 160 . AT
CONSULT-II Reference Value ............................. 145 . DTC P1846 ATF PRESSURE SWITCH 6 .............. 161 .
On Board Diagnosis Logic .................................. 145 . Description ........................................................... 161
.
Possible Cause ................................................... 145 . CONSULT-II Reference Value ............................. 161 . D
DTC Confirmation Procedure .............................. 145 . On Board Diagnosis Logic ................................... 161 .
Diagnostic Procedure .......................................... 146 . Possible Cause .................................................... 161
.
DTC P1767 HIGH AND LOW REVERSE CLUTCH DTC Confirmation Procedure .............................. 161 . E
SOLENOID VALVE ................................................ 147 . Diagnostic Procedure .......................................... 162 .
Description .......................................................... 147
. MAIN POWER SUPPLY AND GROUND CIRCUIT. 163
CONSULT-II Reference Value ............................. 147 . Wiring Diagram -- AT -- MAIN ........................... 163 .
On Board Diagnosis Logic .................................. 147 . Diagnostic Procedure .......................................... 164 . F
Possible Cause ................................................... 147 . CLOSED THROTTLE POSITION AND WIDE OPEN
DTC Confirmation Procedure .............................. 147 . THROTTLE POSITION CIRCUIT ........................... 167 .
Diagnostic Procedure .......................................... 148 . CONSULT-II Reference Value ............................. 167 . G
DTC P1769 HIGH AND LOW REVERSE CLUTCH Diagnostic Procedure .......................................... 167 .
SOLENOID VALVE FUNCTION ............................ 149 . BRAKE SIGNAL CIRCUIT ..................................... 168 .
Description .......................................................... 149
. CONSULT-II Reference Value ............................. 168 . H
CONSULT-II Reference Value ............................. 149 . Diagnostic Procedure .......................................... 168 .
On Board Diagnosis Logic .................................. 149 . TOW MODE SWITCH ............................................ 169 .
Possible Cause ................................................... 149 . Description ........................................................... 169
.
I
DTC Confirmation Procedure .............................. 149 . Wiring Diagram -- AT -- TMSW ......................... 170 .
Diagnostic Procedure .......................................... 150 . Diagnostic Procedure .......................................... 171 .
DTC P1772 LOW COAST BRAKE SOLENOID TROUBLE DIAGNOSIS FOR SYMPTOMS ........... 172 .
VALVE .................................................................... 151
. Wiring Diagram -- AT -- NONDTC ..................... 172 . J
Description .......................................................... 151
. A/T CHECK Indicator Lamp Does Not Come On . 175
CONSULT-II Reference Value ............................. 151 . Engine Cannot Be Started In "P" or "N" Position . 175
On Board Diagnosis Logic .................................. 151 . In "P" Position, Vehicle Moves When Pushed ..... 176 . K
Possible Cause ................................................... 151 . In "N" Position, Vehicle Moves ............................. 177 .
DTC Confirmation Procedure .............................. 151 . Large Shock("N" to "D" Position) ......................... 178 .
Diagnostic Procedure .......................................... 152 . Vehicle Does Not Creep Backward In "R" Position 181 . L
DTC P1774 LOW COAST BRAKE SOLENOID Vehicle Does Not Creep Forward In "D" Position . 184
VALVE FUNCTION ................................................ 153 . Vehicle Cannot Be Started From D1 .................... 186 .
Description .......................................................... 153
. A/T Does Not Shift: D1 D2 ............................... 189 .
CONSULT-II Reference Value ............................. 153 . A/T Does Not Shift: D2 D3 ............................... 191 . M
On Board Diagnosis Logic .................................. 153 . A/T Does Not Shift: D3 D4 ............................... 193 .
Possible Cause ................................................... 153 . A/T Does Not Shift: D4 D5 ............................... 196 .
DTC Confirmation Procedure .............................. 153 . A/T Does Not Perform Lock-up ........................... 198 .
Diagnostic Procedure .......................................... 154 . A/T Does Not Hold Lock-up Condition ................. 200 .
DTC P1841 ATF PRESSURE SWITCH 1 .............. 155 . Lock-up Is Not Released ..................................... 202 .
Description .......................................................... 155
. Engine Speed Does Not Return to Idle ............... 203 .
CONSULT-II Reference Value ............................. 155 . A/T Does Not Shift: 5th gear 4th gear ............. 204 .
On Board Diagnosis Logic .................................. 155 . A/T Does Not Shift: 4th gear 3rd gear ............. 207 .
Possible Cause ................................................... 155 . A/T Does Not Shift: 3rd gear 2nd gear ............ 208 .
DTC Confirmation Procedure .............................. 155 . A/T Does Not Shift: 2nd gear 1st gear ............ 210 .
Diagnostic Procedure .......................................... 156 . Vehicle Does Not Decelerate By Engine Brake ... 213 .
DTC P1843 ATF PRESSURE SWITCH 3 .............. 157 . A/T SHIFT LOCK SYSTEM ................................... 216 .
Description .......................................................... 157
. Description ........................................................... 216
.
CONSULT-II Reference Value ............................. 157 . Shift Lock System Electrical Parts Location ........ 216 .
On Board Diagnosis Logic .................................. 157 . Wiring Diagram -- AT -- SHIFT .......................... 217 .
Possible Cause ................................................... 157 . Shift Lock Control Unit Reference Values ........... 218 .
Component Inspection ......................................... 219 .
Revision: August 2006 AT-3 2007 Armada
SHIFT CONTROL SYSTEM ................................... 221 . Front Sun Gear, 3rd One-Way Clutch .................. 279 .
Control Device Removal and Installation ............. 221 . Front Carrier, Input Clutch, Rear Internal Gear .... 281 .
Adjustment of A/T Position .................................. 222 . Mid Sun Gear, Rear Sun Gear, High and Low
Checking of A/T Position ..................................... 222 . Reverse Clutch Hub ............................................. 286 .
ON-VEHICLE SERVICE ......................................... 223 . High and Low Reverse Clutch ............................. 291 .
Oil Pan ................................................................. 223
. Direct Clutch ........................................................ 293
.
Control Valve With TCM and A/T Fluid Temperature ASSEMBLY ............................................................ 295
.
Sensor 2 .............................................................. 225
. Assembly (1) ........................................................ 295
.
Rear Oil Seal ....................................................... 235
. Adjustment ........................................................... 308
.
AIR BREATHER HOSE .......................................... 236 . Assembly (2) ........................................................ 310
.
Removal and Installation ..................................... 236 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 317 .
TRANSMISSION ASSEMBLY ............................... 238 . General Specifications ......................................... 317 .
Removal and Installation (2WD) .......................... 238 . Vehicle Speed When Shifting Gears .................... 317 .
Removal and Installation (4WD) .......................... 241 . Vehicle Speed When Performing and Releasing
OVERHAUL ............................................................ 245. Complete Lock-up ................................................ 318 .
Components ........................................................ 245 . Stall Speed ........................................................... 318
.
Oil Channel .......................................................... 253
. Line Pressure ....................................................... 318
.
Locations of Adjusting Shims, Needle Bearings, A/T Fluid Temperature Sensor ............................. 318 .
Thrust Washers and Snap Rings ......................... 255 . Turbine Revolution Sensor ................................... 318 .
DISASSEMBLY ...................................................... 259 . Vehicle Speed Sensor A/T (Revolution Sensor) .. 318 .
Disassembly ........................................................ 259. Reverse brake ...................................................... 319
.
REPAIR FOR COMPONENT PARTS ..................... 277 . Total End Play ...................................................... 319
.
Oil Pump .............................................................. 277
.
Revision: August 2006 AT-4 2007 Armada
INDEX FOR DTC
INDEX FOR DTC PFP:00024
A
Alphabetical Index ECS00GVY
NOTE:
If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000. Refer to B
AT-93, "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-133
D
ATF PRES SW 1/CIRC -- P1841 AT-155
ATF PRES SW 3/CIRC -- P1843 AT-157
ATF PRES SW 5/CIRC -- P1845 AT-159 E
ATF PRES SW 6/CIRC -- P1846 AT-161
A/T INTERLOCK P1730 P1730 AT-130
F
A/T TCC S/V FNCTN P0744 P0744 AT-116
ATF TEMP SEN/CIRC P0710 P1710 AT-120
CAN COMM CIRCUIT U1000 U1000 AT-93 G
D/C SOLENOID/CIRC P1762 P1762 AT-143
D/C SOLENOID FNCTN P1764 (*2 ) P1764 AT-145
ENGINE SPEED SIG -- P0725 AT-112
H
FR/B SOLENOID/CIRC P1757 P1757 AT-139
FR/B SOLENOID FNCT P1759 P1759 AT-141
I
HLR/C SOL/CIRC P1767 P1767 AT-147
HLR/C SOL FNCTN P1769 (*2 ) P1769 AT-149
I/C SOLENOID/CIRC P1752 P1752 AT-135 J
I/C SOLENOID FNCTN P1754 (*2 ) P1754 AT-137
L/PRESS SOL/CIRC P0745 P0745 AT-118
K
LC/B SOLENOID/CIRC P1772 P1772 AT-151
LC/B SOLENOID FNCT P1774 P1774 AT-153
PNP SW/CIRC P0705 P0705 AT-101 L
STARTER RELAY/CIRC -- P0615 AT-96
TCC SOLENOID/CIRC P0740 P0740 AT-112
M
TCM P0700 P0700 AT-100
TP SEN/CIRC A/T -- P1705 AT-120
TURBINE REV S/CIRC P0717 P0717 AT-105
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