Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Titan 2004-2009 Approved Nissan Titan 2004 AT
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C TRANSMISSION/TRANSAXLE
A
AUTOMATIC TRANSMISSION
SECTION AT B
AT
D
E
CONTENTS
INDEX FOR DTC ....................................................... 5 . How To Perform Trouble Diagnosis For Quick and F
Alphabetical Index ................................................... 5
. Accurate Repair ..................................................... 47
.
DTC No. Index ........................................................ 6
. A/T Electrical Parts Location ................................. 52 .
PRECAUTIONS ......................................................... 7 . Circuit Diagram ...................................................... 53
. G
Precautions for Supplemental Restraint System Wiring Diagram -- AT -- ....................................... 54 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Inspections Before Trouble Diagnosis ................... 61 .
SIONER" ................................................................. 7
. Check Before Engine is Started ............................. 65 .
H
Precautions for On Board Diagnostic (OBD) System Check at Idle .......................................................... 65
.
of A/T and Engine ................................................... 7. Cruise Test - Part 1 ................................................ 66
.
Precautions ............................................................. 8
. Cruise Test - Part 2 ................................................ 68
.
Service Notice or Precautions ................................. 9 . Cruise Test - Part 3 ................................................ 69
. I
Wiring Diagrams and Trouble Diagnosis ................. 9 . Vehicle Speed When Shifting Gears ..................... 71 .
PREPARATION ........................................................ 10 . Vehicle Speed When Performing and Releasing
Special Service Tools ............................................ 10 . Complete Lock-up ................................................. 71 . J
Commercial Service Tools ......................................11 . Vehicle Speed When Performing and Releasing
A/T FLUID ................................................................ 12
. Slip Lock-up ........................................................... 71
.
Changing A/T Fluid ............................................... 12 . Symptom Chart ...................................................... 72
.
K
Checking A/T Fluid ................................................ 12 . TCM Input/Output Signal Reference Values .......... 93 .
A/T Fluid Cooler Cleaning ..................................... 14 . CONSULT-II Function (A/T) ................................... 94 .
A/T CONTROL SYSTEM ......................................... 17 . DTC U1000 CAN COMMUNICATION LINE ........... 106 .
Cross-Sectional View (2WD models) .................... 17 . Description ........................................................... 106
. L
Cross-Sectional View (4WD models) .................... 18 . On Board Diagnosis Logic ................................... 106 .
Shift Mechanism .................................................... 19. Possible Cause .................................................... 106
.
TCM Function ........................................................ 32
. DTC Confirmation Procedure .............................. 106 . M
CAN Communication ............................................. 34 . Diagnostic Procedure .......................................... 107 .
Input/Output Signal of TCM ................................... 34 . DTC P0615 START SIGNAL CIRCUIT .................. 108 .
Line Pressure Control ........................................... 35 . Description ........................................................... 108
.
Shift Control .......................................................... 36
. CONSULT-II Reference Value ............................. 108 .
Lock-Up Control .................................................... 37. On Board Diagnosis Logic ................................... 108 .
Engine Brake Control ............................................ 39 . Possible Cause .................................................... 108
.
Control Valve ......................................................... 39
. DTC Confirmation Procedure .............................. 108 .
ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 41 . Diagnostic Procedure .......................................... 109 .
Introduction ........................................................... 41
. DTC P0700 TCM .....................................................111 .
OBD-II Function for A/T System ............................ 41 . Description ............................................................111
.
One or Two Trip Detection Logic of OBD-II ........... 41 . On Board Diagnosis Logic ....................................111 .
OBD-II Diagnostic Trouble Code (DTC) ................ 41 . Possible Cause .....................................................111
.
Malfunction Indicator Lamp (MIL) .......................... 44 . DTC Confirmation Procedure ...............................111 .
TROUBLE DIAGNOSIS ........................................... 45 . Diagnostic Procedure ...........................................111 .
DTC Inspection Priority Chart ............................... 45 . DTC P0705 PARK/NEUTRAL POSITION SWITCH. 112
Fail-Safe ................................................................ 45
. Description ........................................................... 112
.
Revision: January 2005 AT-1 2004 Titan
CONSULT-II Reference Value ............................. 112 . On Board Diagnosis Logic ................................... 131 .
On Board Diagnosis Logic ................................... 112 . Possible Cause .................................................... 131.
Possible Cause .................................................... 112 . DTC Confirmation Procedure ............................... 131 .
DTC Confirmation Procedure .............................. 112 . Diagnostic Procedure ........................................... 131 .
Diagnostic Procedure .......................................... 113 . DTC P1710 A/T FLUID TEMPERATURE SENSOR
DTC P0720 VEHICLE SPEED SENSOR A/T (REV- CIRCUIT ................................................................. 133
.
OLUTION SENSOR) .............................................. 115 . Description ........................................................... 133
.
Description ........................................................... 115
. CONSULT-II Reference Value .............................. 133 .
CONSULT-II Reference Value ............................. 115 . On Board Diagnosis Logic ................................... 133 .
On Board Diagnosis Logic ................................... 115 . Possible Cause .................................................... 133.
Possible Cause .................................................... 115 . DTC Confirmation Procedure ............................... 133 .
DTC Confirmation Procedure .............................. 115 . Diagnostic Procedure ........................................... 134 .
Diagnostic Procedure .......................................... 116 . Component Inspection ......................................... 135 .
DTC P0725 ENGINE SPEED SIGNAL .................. 118 . DTC P1716 TURBINE REVOLUTION SENSOR ... 136 .
Description ........................................................... 118
. Description ........................................................... 136
.
CONSULT-II Reference Value ............................. 118 . CONSULT-II Reference Value .............................. 136 .
On Board Diagnosis Logic ................................... 118 . On Board Diagnosis Logic ................................... 136 .
Possible Cause .................................................... 118 . Possible Cause .................................................... 136.
DTC Confirmation Procedure .............................. 118 . DTC Confirmation Procedure ............................... 136 .
Diagnostic Procedure .......................................... 118 . Diagnostic Procedure ........................................... 137 .
DTC P0740 TORQUE CONVERTER CLUTCH DTC P1721 VEHICLE SPEED SENSOR MTR ...... 139 .
SOLENOID VALVE ................................................ 120 . Description ........................................................... 139
.
Description ........................................................... 120
. CONSULT-II Reference Value .............................. 139 .
CONSULT-II Reference Value ............................. 120 . On Board Diagnosis Logic ................................... 139 .
On Board Diagnosis Logic ................................... 120 . Possible Cause .................................................... 139.
Possible Cause .................................................... 120 . DTC Confirmation Procedure ............................... 139 .
DTC Confirmation Procedure .............................. 120 . Diagnostic Procedure ........................................... 140 .
Diagnostic Procedure .......................................... 121 . DTC P1730 A/T INTERLOCK ................................ 141 .
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP). 123 Description ........................................................... 141
.
Description ........................................................... 123
. On Board Diagnosis Logic ................................... 141 .
CONSULT-II Reference Value ............................. 123 . Possible Cause .................................................... 141.
On Board Diagnosis Logic ................................... 123 . DTC Confirmation Procedure ............................... 141 .
Possible Cause .................................................... 123 . Judgement of A/T Interlock .................................. 141 .
DTC Confirmation Procedure .............................. 123 . Diagnostic Procedure ........................................... 142 .
Diagnostic Procedure .......................................... 124 . DTC P1731 A/T 1ST ENGINE BRAKING .............. 144 .
DTC P0745 LINE PRESSURE SOLENOID VALVE. 126 Description ........................................................... 144
.
Description ........................................................... 126
. CONSULT-II Reference Value .............................. 144 .
CONSULT-II Reference Value ............................. 126 . On Board Diagnosis Logic ................................... 144 .
On Board Diagnosis Logic ................................... 126 . Possible Cause .................................................... 144.
Possible Cause .................................................... 126 . DTC Confirmation Procedure ............................... 144 .
DTC Confirmation Procedure .............................. 126 . Diagnostic Procedure ........................................... 145 .
Diagnostic Procedure .......................................... 127 . DTC P1752 INPUT CLUTCH SOLENOID VALVE . 147
DTC P1702 TRANSMISSION CONTROL MODULE Description ........................................................... 147
.
(RAM) ..................................................................... 129
. CONSULT-II Reference Value .............................. 147 .
Description ........................................................... 129
. On Board Diagnosis Logic ................................... 147 .
On Board Diagnosis Logic ................................... 129 . Possible Cause .................................................... 147.
Possible Cause .................................................... 129 . DTC Confirmation Procedure ............................... 147 .
DTC Confirmation Procedure .............................. 129 . Diagnostic Procedure ........................................... 148 .
Diagnostic Procedure .......................................... 129 . DTC P1754 INPUT CLUTCH SOLENOID VALVE
DTC P1703 TRANSMISSION CONTROL MODULE FUNCTION ............................................................. 150
.
(ROM) ..................................................................... 130
. Description ........................................................... 150
.
Description ........................................................... 130
. CONSULT-II Reference Value .............................. 150 .
On Board Diagnosis Logic ................................... 130 . On Board Diagnosis Logic ................................... 150 .
Possible Cause .................................................... 130 . Possible Cause .................................................... 150.
DTC Confirmation Procedure .............................. 130 . DTC Confirmation Procedure ............................... 150 .
Diagnostic Procedure .......................................... 130 . Diagnostic Procedure ........................................... 151 .
DTC P1705 THROTTLE POSITION SENSOR ...... 131 . DTC P1757 FRONT BRAKE SOLENOID VALVE .. 153 .
Description ........................................................... 131
. Description ........................................................... 153
.
CONSULT-II Reference Value ............................. 131 . CONSULT-II Reference Value .............................. 153 .
Revision: January 2005 AT-2 2004 Titan
On Board Diagnosis Logic .................................. 153 . DTC P1815 MANUAL MODE SWITCH ................. 177 .
Possible Cause ................................................... 153 . Description ........................................................... 177
. A
DTC Confirmation Procedure .............................. 153 . CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 154 . . 177
DTC P1759 FRONT BRAKE SOLENOID VALVE On Board Diagnosis Logic ................................... 177 . B
FUNCTION ............................................................. 156
. Possible Cause .................................................... 177
.
Description .......................................................... 156
. DTC Confirmation Procedure .............................. 177 .
CONSULT-II Reference Value ............................. 156 . Wiring Diagram .................................................... 178
.
On Board Diagnosis Logic .................................. 156 . Diagnostic Procedure .......................................... 179 . AT
Possible Cause ................................................... 156 . Component Inspection ......................................... 180 .
DTC Confirmation Procedure .............................. 156 . Position Indicator Lamp ....................................... 180 .
Diagnostic Procedure .......................................... 157 . DTC P1841 ATF PRESSURE SWITCH 1 .............. 182 . D
DTC P1762 DIRECT CLUTCH SOLENOID VALVE 159 . Description ........................................................... 182
.
Description .......................................................... 159
. CONSULT-II Reference Value ............................. 182 .
CONSULT-II Reference Value ............................. 159 . On Board Diagnosis Logic ................................... 182 . E
On Board Diagnosis Logic .................................. 159 . Possible Cause .................................................... 182
.
Possible Cause ................................................... 159 . DTC Confirmation Procedure .............................. 182 .
DTC Confirmation Procedure .............................. 159 . Diagnostic Procedure .......................................... 183 .
Diagnostic Procedure .......................................... 160 . DTC P1843 ATF PRESSURE SWITCH 3 .............. 185 . F
DTC P1764 DIRECT CLUTCH SOLENOID VALVE Description ........................................................... 185
.
FUNCTION ............................................................. 162
. CONSULT-II Reference Value ............................. 185 .
Description .......................................................... 162
. On Board Diagnosis Logic ................................... 185 . G
CONSULT-II Reference Value ............................. 162 . Possible Cause .................................................... 185
.
On Board Diagnosis Logic .................................. 162 . DTC Confirmation Procedure .............................. 185 .
Possible Cause ................................................... 162 . Diagnostic Procedure .......................................... 186 . H
DTC Confirmation Procedure .............................. 162 . DTC P1845 ATF PRESSURE SWITCH 5 .............. 188 .
Diagnostic Procedure .......................................... 163 . Description ........................................................... 188
.
DTC P1767 HIGH AND LOW REVERSE CLUTCH CONSULT-II Reference Value ............................. 188 .
I
SOLENOID VALVE ................................................ 165 . On Board Diagnosis Logic ................................... 188 .
Description .......................................................... 165
. Possible Cause .................................................... 188
.
CONSULT-II Reference Value ............................. 165 . DTC Confirmation Procedure .............................. 188 .
On Board Diagnosis Logic .................................. 165 . Diagnostic Procedure .......................................... 189 . J
Possible Cause ................................................... 165 . DTC P1846 ATF PRESSURE SWITCH 6 .............. 191 .
DTC Confirmation Procedure .............................. 165 . Description ........................................................... 191
.
Diagnostic Procedure .......................................... 166 . CONSULT-II Reference Value ............................. 191 . K
DTC P1769 HIGH AND LOW REVERSE CLUTCH On Board Diagnosis Logic ................................... 191 .
SOLENOID VALVE FUNCTION ............................ 168 . Possible Cause .................................................... 191
.
Description .......................................................... 168
. DTC Confirmation Procedure .............................. 191 .
L
CONSULT-II Reference Value ............................. 168 . Diagnostic Procedure .......................................... 192 .
On Board Diagnosis Logic .................................. 168 . TOW MODE SWITCH ............................................ 194 .
Possible Cause ................................................... 168 . Description ........................................................... 194
.
DTC Confirmation Procedure .............................. 168 . Diagnostic Procedure .......................................... 194 . M
Diagnostic Procedure .......................................... 169 . CLOSED THROTTLE POSITION AND WIDE OPEN
DTC P1772 LOW COAST BRAKE SOLENOID THROTTLE POSITION CIRCUIT ........................... 196 .
VALVE .................................................................... 171
. CONSULT-II Reference Value ............................. 196 .
Description .......................................................... 171
. Diagnostic Procedure .......................................... 196 .
CONSULT-II Reference Value ............................. 171 . BRAKE SIGNAL CIRCUIT ..................................... 197 .
On Board Diagnosis Logic .................................. 171 . CONSULT-II Reference Value ............................. 197 .
Possible Cause ................................................... 171 . Diagnostic Procedure .......................................... 197 .
DTC Confirmation Procedure .............................. 171 . TROUBLE DIAGNOSIS FOR SYMPTOMS ........... 198 .
Diagnostic Procedure .......................................... 172 . AT CHECK Indicator Lamp does not come on .... 198 .
DTC P1774 LOW COAST BRAKE SOLENOID Engine Cannot Be Started In "P" or "N" Position . 199
VALVE FUNCTION ................................................ 174 . In "P" Position, Vehicle Moves When Pushed ..... 200 .
Description .......................................................... 174
. In "N" Position, Vehicle Moves ............................. 201 .
CONSULT-II Reference Value ............................. 174 . Large Shock ("N" to "D" Position) ........................ 202 .
On Board Diagnosis Logic .................................. 174 . Vehicle Does Not Creep Backward In "R" Position 205 .
Possible Cause ................................................... 174 . Vehicle Does Not Creep Forward In "D" Position . 208
DTC Confirmation Procedure .............................. 174 . Vehicle Cannot Be Started From D1 .................... 210 .
Diagnostic Procedure .......................................... 175 . A/T Does Not Shift: D1 D 2 ............................... 213 .
Revision: January 2005 AT-3 2004 Titan
A/T Does Not Shift: D2 D 3 ............................... 215 . Removal and Installation (4x2) ............................ 269 .
A/T Does Not Shift: D3 D 4 ............................... 217 . Removal and Installation (4x4) ............................ 272 .
A/T Does Not Shift: D4 D 5 ............................... 220 . OVERHAUL ............................................................ 275
.
A/T Does Not Perform Lock-up ........................... 222 . Components ......................................................... 275
.
A/T Does Not Hold Lock-up Condition ................. 224 . Oil Channel .......................................................... 283
.
Lock-up Is Not Released ..................................... 226 . Locations of Adjusting Shims, Needle Bearings,
Engine Speed Does Not Return To Idle ............... 227 . Thrust Washers and Snap Rings ......................... 285 .
Cannot Be Changed to Manual Mode (Column Shift) DISASSEMBLY ...................................................... 287 .
. 228 Disassembly ......................................................... 287
.
A/T Does Not Shift: 5th gear 4th gear ............. 228 . REPAIR FOR COMPONENT PARTS ..................... 304 .
A/T Does Not Shift: 4th gear 3rd gear ............. 231 . Oil Pump .............................................................. 304
.
A/T Does Not Shift: 3rd gear 2nd gear ............ 232 . Front Sun Gear, 3rd One-Way Clutch .................. 306 .
A/T Does Not Shift: 2nd gear 1st gear ............ 234 . Front Carrier, Input Clutch, Rear Internal Gear .... 309 .
Vehicle Does Not Decelerate By Engine Brake ... 237 . Mid Sun Gear, Rear Sun Gear, High and Low
SHIFT CONTROL SYSTEM ................................... 240 . Reverse Clutch Hub ............................................. 314 .
Control Device Removal and Installation ............. 240 . High and Low Reverse Clutch ............................. 319 .
Adjustment of A/T Position .................................. 242 . Direct Clutch ........................................................ 321
.
Checking of A/T Position ..................................... 242 . ASSEMBLY ............................................................ 323
.
A/T SHIFT LOCK SYSTEM .................................... 243 . Assembly (1) ........................................................ 323
.
Description ........................................................... 243
. Adjustment ........................................................... 336
.
Shift Lock System Electrical Parts Location ........ 243 . Assembly (2) ........................................................ 338
.
Wiring Diagram -- A/T -- Shift ............................ 245 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 345 .
Shift Lock Control Unit Reference Values ............ 247 . General Specifications ......................................... 345 .
DIAGNOSTIC PROCEDURE .............................. 248 . Vehicle Speed When Shifting Gears .................... 345 .
Component Inspection ......................................... 250 . Vehicle Speed When Performing and Releasing
KEY INTERLOCK CABLE ..................................... 252 . Complete Lock-up ................................................ 346 .
Components ........................................................ 252 . Vehicle Speed When Performing and Releasing
Removal .............................................................. 252
. Slip Lock-up ......................................................... 346
.
Installation ............................................................ 253
. Stall Speed ........................................................... 346
.
ON-VEHICLE SERVICE ......................................... 254 . Line Pressure ....................................................... 346
.
Control Valve With TCM and A/T Fluid Temperature A/T Fluid Temperature Sensor ............................. 346 .
Sensor 2 .............................................................. 254
. Turbine Revolution Sensor ................................... 346 .
Rear Oil Seal ....................................................... 266
. Vehicle Speed Sensor A/T (Revolution Sensor) .. 346 .
AIR BREATHER HOSE .......................................... 267 . Reverse brake ...................................................... 347
.
Removal and Installation ..................................... 267 . Total End Play ...................................................... 347
.
TRANSMISSION ASSEMBLY ............................... 269 .
Revision: January 2005 AT-4 2004 Titan
INDEX FOR DTC
INDEX FOR DTC PFP:00024
A
Alphabetical Index UCS002ME
NOTE:
If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000. Refer to B
AT-106 .
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-144
D
ATF PRES SW 1/CIRC -- P1841 AT-182
ATF PRES SW 3/CIRC -- P1843 AT-185
ATF PRES SW 5/CIRC -- P1845 AT-188 E
ATF PRES SW 6/CIRC -- P1846 AT-191
A/T INTERLOCK P1730 P1730 AT-141
F
A/T TCC S/V FNCTN P0744 P0744 AT-123
ATF TEMP SEN/CIRC P0710 P1710 AT-133
CAN COMM CIRCUIT U1000 U1000 AT-106 G
D/C SOLENOID/CIRC P1762 P1762 AT-159
D/C SOLENOID FNCTN P1764 (*2 ) P1764 AT-162
ENGINE SPEED SIG -- P0725 AT-118
H
FR/B SOLENOID/CIRC P1757 P1757 AT-153
FR/B SOLENOID FNCT P1759 P1759 AT-156
I
HLR/C SOL/CIRC P1767 P1767 AT-165
HLR/C SOL FNCTN P1769 (*2 ) P1769 AT-168
I/C SOLENOID/CIRC P1752 P1752 AT-147 J
I/C SOLENOID FNCTN P1754 (*2 ) P1754 AT-150
L/PRESS SOL/CIRC P0745 P0745 AT-126
K
LC/B SOLENOID/CIRC P1772 P1772 AT-171
LC/B SOLENOID FNCT P1774 P1774 AT-174
MANU MODE SW/CIR -- P1815 AT-177 L
PNP SW/CIRC P0705 P0705 AT-112
STARTER RELAY/CIRC -- P0615 AT-108
M
TCC SOLENOID/CIRC P0740 P0740 AT-120
TCM P0700 P0700 AT-111
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