Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G37 2008 Coupe Approved Infiniti G37 Coupe 2008 tm
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TRANSMISSION & DRIVELINE
A
TRANSAXLE & TRANSMISSION
SECTION TM B
C
TM
E
CONTENTS
6MT: FS6R31A ON-VEHICLE REPAIR ................................ 17
. F
FUNCTION DIAGNOSIS .............................. 6
. REAR OIL SEAL ............................................... 17
Exploded View ........................................................17
. G
M/T SYSTEM ...................................................... 6
. Removal and Installation ........................................17
.
System Diagram ....................................................... 6
.
System Description .................................................. 6
. SHIFT CONTROL .............................................. 18
Exploded View ........................................................18
. H
COMPONENT DIAGNOSIS ......................... 8
. Removal and Installation ........................................18 .
Inspection ...............................................................23
.
BACK-UP LAMP SWITCH ................................. 8
.
I
Component Parts Location ....................................... 8
. AIR BREATHER HOSE .................................... 24
Component Inspection ............................................. 8
. Exploded View ........................................................24
.
Removal and Installation ........................................24
.
PARK/NEUTRAL POSITION SWITCH .............. 9
. J
Component Parts Location ....................................... 9
. REMOVAL AND INSTALLATION .............. 25
.
Component Inspection ............................................. 9
.
TRANSMISSION ASSEMBLY .......................... 25
K
SYMPTOM DIAGNOSIS ............................. 10
. Exploded View ........................................................25
.
Removal and Installation ........................................25
.
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ...........................10
. DISASSEMBLY AND ASSEMBLY ............. 29
. L
NVH Troubleshooting Chart ................................... 10
.
TRANSMISSION ASSEMBLY .......................... 29
PRECAUTION ............................................. 11
. Exploded View ........................................................29
.
M
Disassembly ...........................................................34
.
PRECAUTIONS .................................................11
. Assembly ................................................................43
.
Service Notice or Precautions for Manual Trans-
mission ................................................................... 11
. MAIN DRIVE GEAR .......................................... 55 N
Exploded View ........................................................55
.
PREPARATION .......................................... 12
. Disassembly ...........................................................55
.
Assembly ................................................................55
. O
PREPARATION .................................................12
. Inspection ...............................................................56
.
Special Service Tools ............................................. 12
.
Commercial Service Tools ..................................... 14
. MAINSHAFT AND GEAR ................................. 58
Exploded View ........................................................58
. P
ON-VEHICLE MAINTENANCE ................... 16
. Disassembly ...........................................................58
.
GEAR OIL ..........................................................16
. Assembly ................................................................58
.
Exploded View ....................................................... 16. Inspection ...............................................................63
.
Draining .................................................................. 16
. COUNTER SHAFT AND GEAR ........................ 66
Refilling .................................................................. 16
. Exploded View ........................................................66
.
Inspection ............................................................... 16
. Disassembly ...........................................................66
.
Revision: 2007 June TM-1 G37 Coupe
Assembly ............................................................... 66
. Description ........................................................... 118
.
Inspection .............................................................. 68
. DTC Logic ............................................................ 118
.
Diagnosis Procedure ............................................ 118 .
REVERSE IDLER SHAFT AND GEAR ............ 72
.
Exploded View ....................................................... 72
. P0615 START SIGNAL ................................... 119
.
Disassembly .......................................................... 72
. Description ........................................................... 119
.
Assembly ............................................................... 72
. DTC Logic ............................................................ 119
.
Inspection .............................................................. 72
. Diagnosis Procedure ............................................ 119 .
SHIFT FORK AND FORK ROD ........................ 73
. P0700 TCM ...................................................... 121
.
Exploded View ....................................................... 73
. Description ........................................................... 121
.
Disassembly .......................................................... 73
. DTC Logic ............................................................ 121
.
Assembly ............................................................... 73
. Diagnosis Procedure ............................................ 121 .
Inspection .............................................................. 73
.
P0705 PARK/NEUTRAL POSITION SWITCH.. 122
SERVICE DATA AND SPECIFICATIONS Description ........................................................... 122
.
(SDS) .......................................................... 74
. DTC Logic ............................................................ 122
.
Diagnosis Procedure ............................................ 122 .
SERVICE DATA AND SPECIFICATIONS
(SDS) ................................................................. 74
. P0717 TURBINE REVOLUTION SENSOR ..... 124
.
General Specification ............................................ 74 . Description ........................................................... 124
.
End Play ................................................................ 75
. DTC Logic ............................................................ 124
.
Baulk Ring Clearance ............................................ 75 . Diagnosis Procedure ............................................ 124 .
5AT: RE5R05A P0720 VEHICLE SPEED SENSOR A/T (REV-
OLUTION SENSOR) ........................................ 125
.
BASIC INSPECTION .................................. 76
.
Description ........................................................... 125
.
DIAGNOSIS AND REPAIR WORK FLOW ....... 76
. DTC Logic ............................................................ 125
.
Work Flow .............................................................. 76
. Diagnosis Procedure ............................................ 126 .
Diagnostic Work Sheet .......................................... 77 .
P0725 ENGINE SPEED SIGNAL .................... 128
.
FUNCTION DIAGNOSIS ............................ 79
. Description ........................................................... 128
.
DTC Logic ............................................................ 128
.
A/T CONTROL SYSTEM .................................. 79
. Diagnosis Procedure ............................................ 128 .
System Diagram .................................................... 79
.
System Description ................................................ 80
. P0731 A/T 1ST GEAR FUNCTION ................. 130
.
Component Parts Location .................................... 87. Description ........................................................... 130
.
Component Description ......................................... 89
. DTC Logic ............................................................ 130
.
Diagnosis Procedure ............................................ 131 .
SHIFT MECHANISM ......................................... 91
.
Cross-Sectional View ............................................ 91
. P0732 A/T 2ND GEAR FUNCTION ................. 132
.
System Diagram .................................................... 92
. Description ........................................................... 132
.
System Description ................................................ 92
. DTC Logic ............................................................ 132
.
Component Parts Location ...................................103 . Diagnosis Procedure ............................................ 133 .
Component Description ........................................105
. P0733 A/T 3RD GEAR FUNCTION ................. 134
.
SHIFT LOCK SYSTEM ................................... 106
. Description ........................................................... 134
.
System Description ...............................................106
. DTC Logic ............................................................ 134
.
Component Parts Location ...................................107 . Diagnosis Procedure ............................................ 135 .
Component Description ........................................107
. P0734 A/T 4TH GEAR FUNCTION ................. 136
.
ON BOARD DIAGNOSTIC (OBD) SYSTEM .. 108
. Description ........................................................... 136
.
Diagnosis Description ...........................................108
. DTC Logic ............................................................ 136
.
Diagnosis Procedure ............................................ 137 .
DIAGNOSIS SYSTEM (TCM) ......................... 111
.
Diagnosis Description ...........................................111
. P0735 A/T 5TH GEAR FUNCTION ................. 138
.
CONSULT-III Function (TRANSMISSION) ...........112 . Description ........................................................... 138
.
DTC Logic ............................................................ 138
.
COMPONENT DIAGNOSIS ...................... 118
. Diagnosis Procedure ............................................ 139 .
U1000 CAN COMM CIRCUIT ......................... 118
. P0740 TORQUE CONVERTER CLUTCH SO-
LENOID VALVE ............................................... 140
.
Revision: 2007 June TM-2 G37 Coupe
Description ........................................................... 140
. Description ............................................................ 153
.
DTC Logic ............................................................ 140
. DTC Logic ............................................................. 153
. A
Diagnosis Procedure ............................................ 140 . Diagnosis Procedure ............................................ 153 .
P0744 A/T TCC S/V FUNCTION (LOCK -UP).. 141 P1772 LOW COAST BRAKE SOLENOID
B
Description ........................................................... 141
. VALVE ............................................................. 154
DTC Logic ............................................................ 141
. Description ............................................................ 154
.
Diagnosis Procedure ............................................ 141 . DTC Logic ............................................................. 154
.
Diagnosis Procedure ............................................ 154 . C
P0745 LINE PRESSURE SOLENOID VALVE.. 142
Description ........................................................... 142
. P1774 LOW COAST BRAKE SOLENOID
DTC Logic ............................................................ 142
. VALVE FUNCTION ......................................... 155 TM
Diagnosis Procedure ............................................ 142 . Description ............................................................ 155
.
DTC Logic ............................................................. 155
.
P1705 THROTTLE POSITION SENSOR ........ 143
. Diagnosis Procedure ............................................ 155 .
Description ........................................................... 143
. E
DTC Logic ............................................................ 143
. P1815 MANUAL MODE SWITCH ................... 157
Diagnosis Procedure ............................................ 143 . Description ............................................................ 157
.
DTC Logic ............................................................. 157
. F
P1710 A/T FLUID TEMPERATURE SENSOR 144
.. Diagnosis Procedure ............................................ 157 .
Description ........................................................... 144
. Component Inspection (Manual Mode Switch) ..... 161 .
DTC Logic ............................................................ 144
. Component Inspection (Paddle Shifter) ................ 162 .
Diagnosis Procedure ............................................ 144 . G
Component Inspection (A/T fluid temperature sen- MAIN POWER SUPPLY AND GROUND CIR-
sor 1) .................................................................... 146
. CUIT ................................................................ 163
Component Inspection (A/T fluid temperature sen- Description ............................................................ 163
. H
sor 2) .................................................................... 146
. Diagnosis Procedure ............................................ 163 .
P1721 VEHICLE SPEED SENSOR MTR ........ 147
. SHIFT POSITION INDICATOR CIRCUIT ........ 165
Description ........................................................... 147
. I
Description ............................................................ 165
.
DTC Logic ............................................................ 147
. Component Function Check ................................. 165 .
Diagnosis Procedure ............................................ 147 . Diagnosis Procedure ............................................ 165 .
J
P1730 A/T INTERLOCK .................................. 148
. SHIFT LOCK SYSTEM ................................... 166
Description ........................................................... 148
. Description ............................................................ 166
.
DTC Logic ............................................................ 148
. Wiring Diagram - A/T SHIFT LOCK SYSTEM - .... 166 .
Judgment of A/T Interlock .................................... 148 . K
Component Function Check ................................. 169 .
Diagnosis Procedure ............................................ 148 . Diagnosis Procedure ............................................ 170 .
Component Inspection (Shift lock solenoid) ......... 172 .
P1731 A/T 1ST ENGINE BRAKING ................ 149
. L
Component Inspection (Shift lock relay) ............... 172 .
Description ........................................................... 149
.
Component Inspection (Stop lamp switch) ........... 172 .
DTC Logic ............................................................ 149
.
Diagnosis Procedure ............................................ 149 . SELECTOR LEVER POSITION INDICATOR . 174 M
Description ............................................................ 174
.
P1752 INPUT CLUTCH SOLENOID VALVE .. 150
Component Function Check ................................. 174 .
Description ........................................................... 150
.
Diagnosis Procedure ............................................ 174 .
DTC Logic ............................................................ 150
. N
Component Inspection .......................................... 176 .
Diagnosis Procedure ............................................ 150 .
P1757 FRONT BRAKE SOLENOID VALVE ... 151
. ECU DIAGNOSIS ...................................... 177
.
Description ........................................................... 151
. O
TCM ................................................................. 177
DTC Logic ............................................................ 151
. Reference Value ................................................... 177.
Diagnosis Procedure ............................................ 151 . Wiring Diagram - A/T CONTROL SYSTEM - ....... 179 .
Fail-Safe ............................................................... 184
. P
P1762 DIRECT CLUTCH SOLENOID VALVE 152
..
DTC Inspection Priority Chart ............................... 186 .
Description ........................................................... 152
.
DTC Index ............................................................ 186
.
DTC Logic ............................................................ 152
.
Diagnosis Procedure ............................................ 152 . SYMPTOM DIAGNOSIS ........................... 188
.
P1767 HIGH AND LOW REVERSE CLUTCH SYSTEM SYMPTOM ....................................... 188
SOLENOID VALVE ......................................... 153
. Symptom Table .................................................... 188
.
Revision: 2007 June TM-3 G37 Coupe
PRECAUTION ........................................... 210
. Removal and Installation ...................................... 232 .
Inspection ............................................................. 240
.
PRECAUTIONS .............................................. 210
.
Precaution for Supplemental Restraint System A/T FLUID TEMPERATURE SENSOR 2 ........ 241
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Exploded View ..................................................... 241.
SIONER" ...............................................................210. Removal and Installation ...................................... 241 .
On Board Diagnosis (OBD) System of A/T and En- Inspection ............................................................. 244
.
gine .......................................................................210
.
General Precautions .............................................210 .
PARKING COMPONENTS .............................. 245
.
Exploded View ..................................................... 245.
Service Notice or Precaution ................................211 .
Removal and Installation ...................................... 245 .
PREPARATION ......................................... 212
. Inspection ............................................................. 251
.
PREPARATION .............................................. 212
. REAR OIL SEAL ............................................. 252
.
Special Service Tool .............................................212
. Exploded View ..................................................... 252.
Commercial Service Tool .....................................213. Removal and Installation ...................................... 252 .
Inspection ............................................................. 253
.
ON-VEHICLE MAINTENANCE ................. 214
.
REVOLUTION SENSOR ................................. 254
.
A/T FLUID ....................................................... 214
. Exploded View ..................................................... 254.
Inspection .............................................................214
. Removal and Installation ...................................... 254 .
Changing ..............................................................215
. Inspection ............................................................. 258
.
A/T FLUID COOLER ....................................... 216
. AIR BREATHER HOSE ................................... 260
.
Cleaning ...............................................................216
. Exploded View ..................................................... 260
.
Inspection .............................................................218
. Removal and Installation ...................................... 260
.
STALL TEST ................................................... 219
. A/T FLUID COOLER TUBE ............................. 261
.
Inspection and Judgment .....................................219
. Exploded View ..................................................... 261.
Removal and Installation ...................................... 261 .
LINE PRESSURE TEST ................................. 220
. Inspection ............................................................. 262
.
Inspection and Judgment .....................................220
.
REMOVAL AND INSTALLATION ............. 263
ROAD TEST .................................................... 222
.
Description ............................................................222
. TRANSMISSION ASSEMBLY ......................... 263
.
Check Before Engine Is Started ...........................222 . Exploded View ..................................................... 263.
Check at Idle .........................................................222
. Removal and Installation ...................................... 263 .
Cruise Test - Part 1 ..............................................223. Inspection ............................................................. 265
.
Cruise Test - Part 2 ..............................................224.
Cruise Test - Part 3 ..............................................224. DISASSEMBLY AND ASSEMBLY ........... 266
A/T POSITION ................................................ 226
. TRANSMISSION ASSEMBLY ......................... 266
.
Inspection and Adjustment ...................................226
. Exploded View ..................................................... 266.
Oil Channel .......................................................... 271
.
ON-VEHICLE REPAIR .............................. 227
. Location of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings ......................... 272 .
CONTROL DEVICE ........................................ 227
. Disassembly ......................................................... 273
.
Exploded View ......................................................227
. Assembly ............................................................. 288
.
Removal and Installation ......................................227. Inspection ............................................................. 308
.
Inspection and Adjustment ...................................228 .
OIL PUMP ........................................................ 310
.
CONTROL ROD .............................................. 229
. Exploded View ..................................................... 310
.
Exploded View ......................................................229
. Disassembly ......................................................... 310
.
Removal and Installation ......................................229. Assembly ............................................................. 311
.
Inspection and Adjustment ...................................229 .
FRONT SUN GEAR, 3RD ONE-WAY
PADDLE SHIFTER ......................................... 230
. CLUTCH .......................................................... 313
.
Exploded View ......................................................230
. Exploded View ..................................................... 313.
Removal and Installation ......................................230. Disassembly ......................................................... 313
.
CONTROL VALVE WITH TCM ....................... 232
. Assembly ............................................................. 314
.
Inspection ............................................................. 314
.
Exploded View ......................................................232
.
Revision: 2007 June TM-4 G37 Coupe
FRONT CARRIER, INPUT CLUTCH, REAR Disassembly ......................................................... 327
.
INTERNAL GEAR ........................................... 315
. Assembly .............................................................. 327
. A
Exploded View ..................................................... 315
. Inspection ............................................................. 328
.
Disassembly ......................................................... 316
.
Assembly .............................................................. 317
. SERVICE DATA AND SPECIFICATIONS
B
Inspection ............................................................. 319
. (SDS) ......................................................... 329
.
MID SUN GEAR, REAR SUN GEAR, HIGH SERVICE DATA AND SPECIFICATIONS
AND LOW REVERSE CLUTCH HUB ............. 320
. (SDS) ............................................................... 329 C
Exploded View ..................................................... 320
. General Specification ........................................... 329 .
Disassembly ......................................................... 320
. Vehicle Speed at Which Gear Shifting Occurs ..... 329 .
Assembly .............................................................. 322
. Vehicle Speed at Which Lock-up Occurs/Releas- TM
Inspection ............................................................. 324
. es .......................................................................... 329
.
Stall Speed ........................................................... 329.
HIGH AND LOW REVERSE CLUTCH ............ 325
. Line Pressure ....................................................... 330 .
E
Exploded View ..................................................... 325
. Turbine Revolution Sensor ................................... 330 .
Disassembly ......................................................... 325
. Vehicle Speed Sensor A/T (Revolution Sensor) ... 330 .
Assembly .............................................................. 325
. Reverse Brake ...................................................... 330 .
Inspection ............................................................. 326
. Total End Play ...................................................... 330 . F
Torque Converter ................................................. 330 .
DIRECT CLUTCH ............................................ 327
.
Exploded View ..................................................... 327
.
G
H
I
J
K
L
M
N
O
P
Revision: 2007 June TM-5 G37 Coupe
M/T SYSTEM
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