Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti Q45 FY33 F50 2001-2006 Approved 2004_Q45 at
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download at documenatation <<
Text preview - extract from the document
AUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
A
AUTOMATIC TRANSMISSION
SECTION AT B
AT
D
E
CONTENTS
INDEX FOR DTC ....................................................... 5. Fail-Safe ................................................................ 43
. F
Alphabetical Index ................................................... 5
. How To Perform Trouble Diagnosis For Quick and
DTC No. Index ........................................................ 6
. Accurate Repair ..................................................... 45
.
PRECAUTIONS ......................................................... 7. A/T Electrical Parts Location ................................. 50 . G
Precautions for Supplemental Restraint System Circuit Diagram ...................................................... 51
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Inspections Before Trouble Diagnosis ................... 52 .
SIONER" ................................................................. 7
. Check Before Engine is Started ............................. 56 .
H
Precautions for On Board Diagnostic (OBD) System Check at Idle .......................................................... 56
.
of A/T and Engine ................................................... 7
. Cruise Test - Part 1 ................................................ 58
.
Precautions for TCM, A/T Assembly and Control Cruise Test - Part 2 ................................................ 60
.
Valve Assembly Replacement ................................. 8 . Cruise Test - Part 3 ................................................ 61
. I
Precautions ............................................................. 9
. Vehicle Speed When Shifting Gears ..................... 62 .
Service Notice or Precautions ............................... 10 . Vehicle Speed When Performing and Releasing
Wiring Diagrams and Trouble Diagnosis ................11 . Complete Lock-up ................................................. 62 . J
PREPARATION ........................................................ 12. Vehicle Speed When Performing and Releasing
Special Service Tools ............................................ 12. Slip Lock-up ........................................................... 62
.
Commercial Service Tools ..................................... 13 . Symptom Chart ...................................................... 63.
K
A/T FLUID ................................................................ 14
. TCM Input/Output Signal Reference Values .......... 86 .
Changing A/T Fluid ............................................... 14. CONSULT-II ........................................................... 88
.
Checking A/T Fluid ................................................ 14
. Diagnostic Procedure Without CONSULT-II ........ 101 .
A/T Fluid Cooler Cleaning ..................................... 15 . DTC U1000 CAN COMMUNICATION LINE ........... 104 . L
A/T CONTROL SYSTEM ......................................... 19 . Description ........................................................... 104
.
Cross-Sectional View ............................................ 19 . On Board Diagnosis Logic ................................... 104 .
Shift Mechanism .................................................... 20
. Possible Cause .................................................... 104. M
TCM Function ........................................................ 31
. DTC Confirmation Procedure .............................. 104 .
CAN Communication ............................................. 32 . Wiring Diagram -- AT -- CAN ............................. 105 .
Input/Output Signal of TCM ................................... 32 . Diagnostic Procedure .......................................... 106 .
Line Pressure Control ........................................... 33 . DTC P0615 START SIGNAL CIRCUIT .................. 107 .
Shift Control .......................................................... 34
. Description ........................................................... 107
.
Lock-up Control ..................................................... 35
. CONSULT-II Reference Value ............................. 107 .
Engine Brake Control ............................................ 36 . On Board Diagnosis Logic ................................... 107 .
Control Valve ......................................................... 37
. Possible Cause .................................................... 107.
ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 39 . DTC Confirmation Procedure .............................. 107 .
Introduction ........................................................... 39
. Wiring Diagram -- AT -- STSIG ......................... 108 .
OBD-II Function for A/T System ............................ 39 . Diagnostic Procedure .......................................... 109 .
One or Two Trip Detection Logic of OBD-II ........... 39 . DTC P0705 PARK/NEUTRAL POSITION SWITCH. 110
OBD-II Diagnostic Trouble Code (DTC) ................ 39 . Description ........................................................... 110
.
Malfunction Indicator Lamp (MIL) .......................... 42 . CONSULT-II Reference Value ............................. 110 .
TROUBLE DIAGNOSIS ........................................... 43 . On Board Diagnosis Logic ................................... 110 .
DTC Inspection Priority Chart ............................... 43 . Possible Cause .................................................... 110.
AT-1
DTC Confirmation Procedure .............................. 110 . Description ........................................................... 146
.
Wiring Diagram -- AT -- PNP/SW ...................... 112 . On Board Diagnosis Logic ................................... 146 .
Diagnostic Procedure .......................................... 114 . Possible Cause .................................................... 146 .
Component Inspection ......................................... 116 . DTC Confirmation Procedure ............................... 146 .
DTC P0720 VEHICLE SPEED SENSOR A/T (REV- Diagnostic Procedure ........................................... 147 .
OLUTION SENSOR) .............................................. 117 . DTC P1703 TRANSMISSION CONTROL MODULE
Description ........................................................... 117
. (ROM) ..................................................................... 148
.
CONSULT-II Reference Value ............................. 117 . Description ........................................................... 148
.
On Board Diagnosis Logic ................................... 117 . On Board Diagnosis Logic ................................... 148 .
Possible Cause .................................................... 117 . Possible Cause .................................................... 148 .
DTC Confirmation Procedure .............................. 117 . DTC Confirmation Procedure ............................... 148 .
Wiring Diagram -- AT -- VSSA/T ........................ 118 . Diagnostic Procedure ........................................... 149 .
Diagnostic Procedure .......................................... 119 . DTC P1704 TRANSMISSION CONTROL MODULE
DTC P0725 ENGINE SPEED SIGNAL .................. 122 . (EEPROM) .............................................................. 150
.
Description ........................................................... 122
. Description ........................................................... 150
.
CONSULT-II Reference Value ............................. 122 . On Board Diagnosis Logic ................................... 150 .
On Board Diagnosis Logic ................................... 122 . Possible Cause .................................................... 150 .
Possible Cause .................................................... 122 . DTC Confirmation Procedure ............................... 150 .
DTC Confirmation Procedure .............................. 122 . Diagnostic Procedure ........................................... 151 .
Diagnostic Procedure .......................................... 123 . DTC P1705 THROTTLE POSITION SENSOR ....... 152 .
DTC P0740 TORQUE CONVERTER CLUTCH Description ........................................................... 152
.
SOLENOID VALVE ................................................ 124 . CONSULT-II Reference Value .............................. 152 .
Description ........................................................... 124
. On Board Diagnosis Logic ................................... 152 .
CONSULT-II Reference Value ............................. 124 . Possible Cause .................................................... 152 .
On Board Diagnosis Logic ................................... 124 . DTC Confirmation Procedure ............................... 152 .
Possible Cause .................................................... 124 . Diagnostic Procedure ........................................... 153 .
DTC Confirmation Procedure .............................. 124 . DTC P1710 A/T FLUID TEMPERATURE SENSOR
Wiring Diagram -- AT -- TCV ............................. 125 . CIRCUIT ................................................................. 154
.
Diagnostic Procedure .......................................... 126 . Description ........................................................... 154
.
Component Inspection ......................................... 128 . CONSULT-II Reference Value .............................. 154 .
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP). 129 On Board Diagnosis Logic ................................... 154 .
Description ........................................................... 129
. Possible Cause .................................................... 154 .
CONSULT-II Reference Value ............................. 129 . DTC Confirmation Procedure ............................... 154 .
On Board Diagnosis Logic ................................... 129 . Wiring Diagram -- AT -- FTS .............................. 155 .
Possible Cause .................................................... 129 . Diagnostic Procedure ........................................... 156 .
DTC Confirmation Procedure .............................. 129 . Component Inspection ......................................... 159 .
Wiring Diagram -- AT -- TCCSIG ....................... 131 . DTC P1716 TURBINE REVOLUTION SENSOR ... 160 .
Diagnostic Procedure .......................................... 132 . Description ........................................................... 160
.
Component Inspection ......................................... 134 . CONSULT-II Reference Value .............................. 160 .
DTC P0745 LINE PRESSURE SOLENOID VALVE. 135 On Board Diagnosis Logic ................................... 160 .
Description ........................................................... 135
. Possible Cause .................................................... 160 .
CONSULT-II Reference Value ............................. 135 . DTC Confirmation Procedure ............................... 160 .
On Board Diagnosis Logic ................................... 135 . Wiring Diagram -- AT -- TRSA/T ........................ 161 .
Possible Cause .................................................... 135 . Diagnostic Procedure ........................................... 162 .
DTC Confirmation Procedure .............................. 135 . DTC P1721 VEHICLE SPEED SENSOR MTR ...... 165 .
Wiring Diagram -- AT -- LPSV ........................... 136 . Description ........................................................... 165
.
Diagnostic Procedure .......................................... 137 . CONSULT-II Reference Value .............................. 165 .
Component Inspection ......................................... 139 . On Board Diagnosis Logic ................................... 165 .
DTC P1701 TRANSMISSION CONTROL MODULE Possible Cause .................................................... 165 .
(POWER SUPPLY) ................................................. 140 . DTC Confirmation Procedure ............................... 165 .
Description ........................................................... 140
. Diagnostic Procedure ........................................... 166 .
On Board Diagnosis Logic ................................... 140 . DTC P1730 A/T INTERLOCK ................................ 167 .
Possible Cause .................................................... 140 . Description ........................................................... 167
.
DTC Confirmation Procedure .............................. 140 . On Board Diagnosis Logic ................................... 167 .
Wiring Diagram -- AT -- POWER ....................... 141 . Possible Cause .................................................... 167 .
Diagnostic Procedure .......................................... 144 . DTC Confirmation Procedure ............................... 167 .
Component Inspection ......................................... 145 . Wiring Diagram -- AT -- I/LOCK ......................... 168 .
DTC P1702 TRANSMISSION CONTROL MODULE Judgement of A/T Interlock .................................. 172 .
(RAM) ..................................................................... 146
. Diagnostic Procedure ........................................... 172 .
AT-2
DTC P1731 A/T 1ST ENGINE BRAKING .............. 174 . DTC Confirmation Procedure .............................. 202 .
Description .......................................................... 174
. Wiring Diagram -- AT -- D/CF ............................ 203 . A
CONSULT-II Reference Value ............................. 174 . Diagnostic Procedure .......................................... 204 .
On Board Diagnosis Logic .................................. 174 . DTC P1767 HIGH AND LOW REVERSE CLUTCH
Possible Cause ................................................... 174
. SOLENOID VALVE ................................................ 206 . B
DTC Confirmation Procedure .............................. 174 . Description ........................................................... 206
.
Wiring Diagram -- AT -- E/BRE ......................... 175 . CONSULT-II Reference Value ............................. 206 .
Diagnostic Procedure .......................................... 176 . On Board Diagnosis Logic ................................... 206 .
DTC P1752 INPUT CLUTCH SOLENOID VALVE . 178 Possible Cause .................................................... 206 . AT
Description .......................................................... 178
. DTC Confirmation Procedure .............................. 206 .
CONSULT-II Reference Value ............................. 178 . Wiring Diagram -- AT -- HLR/C ......................... 207 .
On Board Diagnosis Logic .................................. 178 . Diagnostic Procedure .......................................... 208 . D
Possible Cause ................................................... 178
. Component Inspection ......................................... 210 .
DTC Confirmation Procedure .............................. 178 . DTC P1769 HIGH AND LOW REVERSE CLUTCH
Wiring Diagram -- AT -- I/C ............................... 179 . SOLENOID VALVE FUNCTION ............................. 211 . E
Diagnostic Procedure .......................................... 180 . Description ........................................................... 211
.
Component Inspection ........................................ 183 . CONSULT-II Reference Value ............................. 211 .
DTC P1754 INPUT CLUTCH SOLENOID VALVE On Board Diagnosis Logic ................................... 211 .
FUNCTION ............................................................. 184
. Possible Cause .................................................... 211 . F
Description .......................................................... 184
. DTC Confirmation Procedure .............................. 211 .
CONSULT-II Reference Value ............................. 184 . Wiring Diagram -- AT -- HLR/CF ....................... 212 .
On Board Diagnosis Logic .................................. 184 . Diagnostic Procedure .......................................... 213 . G
Possible Cause ................................................... 184
. DTC P1772 LOW COAST BRAKE SOLENOID
DTC Confirmation Procedure .............................. 184 . VALVE .................................................................... 215
.
Wiring Diagram -- AT -- I/CF ............................. 185 . Description ........................................................... 215
. H
Diagnostic Procedure .......................................... 186 . CONSULT-II Reference Value ............................. 215 .
DTC P1757 FRONT BRAKE SOLENOID VALVE . 188 On Board Diagnosis Logic ................................... 215 .
Description .......................................................... 188
. Possible Cause .................................................... 215 .
I
CONSULT-II Reference Value ............................. 188 . DTC Confirmation Procedure .............................. 215 .
On Board Diagnosis Logic .................................. 188 . Wiring Diagram -- AT -- LC/B ............................ 216 .
Possible Cause ................................................... 188
. Diagnostic Procedure .......................................... 217 .
DTC Confirmation Procedure .............................. 188 . Component Inspection ......................................... 219 . J
Wiring Diagram -- AT -- FR/B ............................ 189 . DTC P1774 LOW COAST BRAKE SOLENOID
Diagnostic Procedure .......................................... 190 . VALVE FUNCTION ................................................. 220 .
Component Inspection ........................................ 192 . Description ........................................................... 220
. K
DTC P1759 FRONT BRAKE SOLENOID VALVE CONSULT-II Reference Value ............................. 220 .
FUNCTION ............................................................. 193
. On Board Diagnosis Logic ................................... 220 .
Description .......................................................... 193
. Possible Cause .................................................... 220 . L
CONSULT-II Reference Value ............................. 193 . DTC Confirmation Procedure .............................. 220 .
On Board Diagnosis Logic .................................. 193 . Wiring Diagram -- AT -- LC/BF .......................... 221 .
Possible Cause ................................................... 193
. Diagnostic Procedure .......................................... 222 .
DTC Confirmation Procedure .............................. 193 . DTC P1815 MANUAL MODE SWITCH ................. 224 . M
Wiring Diagram -- AT -- FR/BF .......................... 194 . Description ........................................................... 224
.
Diagnostic Procedure .......................................... 195 . CONSULT-II Reference Value in Data Monitor Mode
DTC P1762 DIRECT CLUTCH SOLENOID VALVE 197 . . 224
Description .......................................................... 197
. On Board Diagnosis Logic ................................... 224 .
CONSULT-II Reference Value ............................. 197 . Possible Cause .................................................... 224 .
On Board Diagnosis Logic .................................. 197 . DTC Confirmation Procedure .............................. 224 .
Possible Cause ................................................... 197
. Wiring Diagram -- AT -- MMSW ........................ 225 .
DTC Confirmation Procedure .............................. 197 . Diagnostic Procedure .......................................... 226 .
Wiring Diagram -- AT -- D/C .............................. 198 . Component Inspection ......................................... 227 .
Diagnostic Procedure .......................................... 199 . A/T Position Indicator .......................................... 227 .
Component Inspection ........................................ 201 . DTC P1841 ATF PRESSURE SWITCH 1 .............. 228 .
DTC P1764 DIRECT CLUTCH SOLENOID VALVE Description ........................................................... 228
.
FUNCTION ............................................................. 202
. CONSULT-II Reference Value ............................. 228 .
Description .......................................................... 202
. On Board Diagnosis Logic ................................... 228 .
CONSULT-II Reference Value ............................. 202 . Possible Cause .................................................... 228 .
On Board Diagnosis Logic .................................. 202 . DTC Confirmation Procedure .............................. 228 .
Possible Cause ................................................... 202
.
AT-3
Wiring Diagram -- AT -- FPSW1 ........................ 229 . A/T Does Not Shift: 2nd Gear 1st Gear ........... 294 .
Diagnostic Procedure .......................................... 230 . Vehicle Does Not Decelerate By Engine Brake ... 296 .
DTC P1843 ATF PRESSURE SWITCH 3 .............. 232 . SHIFT CONTROL SYSTEM ................................... 298 .
Description ........................................................... 232
. Control Device Removal and Installation ............. 298 .
CONSULT-II Reference Value ............................. 232 . Adjustment of A/T Position ................................... 299 .
On Board Diagnosis Logic ................................... 232 . Checking of A/T Position ...................................... 299 .
Possible Cause .................................................... 232 . A/T SHIFT LOCK SYSTEM .................................... 300 .
DTC Confirmation Procedure .............................. 232 . Description ........................................................... 300
.
Wiring Diagram -- AT -- FPSW3 ........................ 233 . Shift Lock System Electrical Parts Location ......... 300 .
Diagnostic Procedure .......................................... 234 . Wiring Diagram -- AT -- SHIFT .......................... 301 .
DTC P1845 ATF PRESSURE SWITCH 5 .............. 236 . Shift Lock Control Unit Reference Values ............ 303 .
Description ........................................................... 236
. Component Inspection ......................................... 304 .
CONSULT-II Reference Value ............................. 236 . ON-VEHICLE SERVICE ......................................... 306 .
On Board Diagnosis Logic ................................... 236 . Control Valve Assembly ....................................... 306 .
Possible Cause .................................................... 236 . Revolution Sensor ................................................ 313.
DTC Confirmation Procedure .............................. 236 . Parking Components ........................................... 318 .
Wiring Diagram -- AT -- FPSW5 ........................ 237 . AIR BREATHER HOSE .......................................... 323 .
Diagnostic Procedure .......................................... 238 . Removal and Installation ...................................... 323 .
DTC P1846 ATF PRESSURE SWITCH 6 .............. 240 . TRANSMISSION ASSEMBLY ................................ 324 .
Description ........................................................... 240
. Removal and Installation ...................................... 324 .
CONSULT-II Reference Value ............................. 240 . OVERHAUL ............................................................ 327
.
On Board Diagnosis Logic ................................... 240 . Components ......................................................... 327
.
Possible Cause .................................................... 240 . Oil Channel .......................................................... 333
.
DTC Confirmation Procedure .............................. 240 . Locations of Adjusting Shims, Needle Bearings,
Wiring Diagram -- AT -- FPSW6 ........................ 241 . Thrust Washers and Snap Rings ......................... 334 .
Diagnostic Procedure .......................................... 242 . DISASSEMBLY ...................................................... 335 .
PARK/NEUTRAL POSITION, MANUAL MODE, Disassembly ......................................................... 335
.
BRAKE AND THROTTLE POSITION SWITCH CIR- REPAIR FOR COMPONENT PARTS ..................... 348 .
CUIT ....................................................................... 244
. Oil Pump .............................................................. 348
.
CONSULT-II Reference Value ............................. 244 . Front Sun Gear, 3rd One-Way Clutch .................. 351 .
Diagnostic Procedure .......................................... 245 . Front Carrier, Input Clutch, Rear Internal Gear .... 353 .
TROUBLE DIAGNOSIS FOR SYMPTOMS ........... 248 . Mid Sun Gear, Rear Sun Gear, High and Low
Wiring Diagram -- AT -- NONDTC ..................... 248 . Reverse Clutch Hub ............................................. 357 .
A/T CHECK Indicator Lamp Does Not Come On . 250 High and Low Reverse Clutch ............................. 363 .
Engine Cannot Be Started In "P" or "N" Position . 252 Direct Clutch ........................................................ 365
.
In "P" Position, Vehicle Moves When Pushed ..... 253 . ASSEMBLY ............................................................ 367
.
In "N" Position, Vehicle Moves ............................. 254 . Assembly (1) ........................................................ 367
.
Large Shock ("N" to "D" Position) ........................ 256 . Adjustment ........................................................... 377
.
Vehicle Does Not Creep Backward In "R" Position. 259 Assembly (2) ........................................................ 379
.
Vehicle Does Not Creep Forward In "D" Position . 262 SERVICE DATA AND SPECIFICATIONS (SDS) ... 386 .
Vehicle Cannot Be Started From D1 .................... 265 . General Specifications ......................................... 386 .
A/T Does Not Shift: D1 D2 ............................... 268 . Vehicle Speed When Shifting Gears .................... 386 .
A/T Does Not Shift: D2 D3 ............................... 271 . Vehicle Speed When Performing and Releasing
A/T Does Not Shift: D3 D4 ............................... 274 . Complete Lock-up ................................................ 386 .
A/T Does Not Shift: D4 D5 ............................... 277 . Vehicle Speed When Performing and Releasing
A/T Does Not Perform Lock-up ........................... 280 . Slip Lock-up ......................................................... 386
.
A/T Does Not Hold Lock-up Condition ................. 282 . Stall Speed ........................................................... 386
.
Lock-up Is Not Released ..................................... 284 . Line Pressure ....................................................... 387
.
Engine Speed Does Not Return To Idle ............... 285 . Solenoid Valves ................................................... 387
.
Cannot Be Changed to Manual Mode ................. 287 . A/T Fluid Temperature Sensor ............................. 387 .
A/T Does Not Shift: 5th Gear 4th Gear ........... 288 . Turbine Revolution Sensor ................................... 387 .
A/T Does Not Shift: 4th Gear 3rd Gear ........... 290 . Revolution Sensor ................................................ 387.
A/T Does Not Shift: 3rd Gear 2nd Gear .......... 292 . Reverse Brake ..................................................... 388
.
Total End Play ...................................................... 388
.
AT-4
INDEX FOR DTC
INDEX FOR DTC PFP:00024
A
Alphabetical Index ECS0082C
NOTE:
If DTC U1000 is displayed with other DTCs, first perform the trouble diagnosis for DTC U1000. Refer to B
AT-104 .
DTC
Items OBD-II Except OBD-II AT
Reference page
(CONSULT-II screen terms)
CONSULT-II CONSULT-II
GST*1 only "A/T"
A/T 1ST E/BRAKING -- P1731 AT-174 D
ATF PRES SW 1/CIRC -- P1841 AT-228
ATF PRES SW 3/CIRC -- P1843 AT-232
E
ATF PRES SW 5/CIRC -- P1845 AT-236
ATF PRES SW 6/CIRC -- P1846 AT-240
A/T INTERLOCK P1730 P1730 AT-167 F
A/T TCC S/V FNCTN P0744 P0744 AT-129
ATF TEMP SEN/CIRC P0710 P1710 AT-154
G
CAN COMM CIRCUIT U1000 U1000 AT-104
D/C SOLENOID/CIRC P1762 P1762 AT-197
D/C SOLENOID FNCTN P1764 P1764 AT-202 H
ENGINE SPEED SIG -- P0725 AT-122
FR/B SOLENOID/CIRC P1757 P1757 AT-188
I
FR/B SOLENOID FNCT P1759 P1759 AT-193
HLR/C SOL/CIRC P1767 P1767 AT-206
HLR/C SOL FNCTN P1769 P1769 AT-211 J
I/C SOLENOID/CIRC P1752 P1752 AT-178
I/C SOLENOID FNCTN P1754 P1754 AT-184
L/PRESS SOL/CIRC P0745 P0745 AT-135 K
LC/B SOLENOID/CIRC P1772 P1772 AT-215
LC/B SOLENOID FNCT P1774 P1774 AT-220
L
MANU MODE SW/CIR -- P1815 AT-224
PNP SW/CIRC P0705 P0705 AT-110
STARTER RELAY/CIRC -- P0615 AT-107 M
TCC SOLENOID/CIRC P0740 P0740 AT-124
TCM◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo