2005 INFINITI FX35 Service Manual

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Page 81 of 4731

INFINITI FX35 2005 Service Manual ACS-72
[ICC]
ELECTRICAL COMPONENT INSPECTION
Revision: 2005 July 2005 FX
Release SwitchAKS00700
Disconnect booster solenoid/release switch connector and check
resistance between the terminals.
NOTE:

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INFINITI FX35 2005 Service Manual REMOVAL AND INSTALLATION ACS-73
[ICC]
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Revision: 2005 July 2005 FX
REMOVAL AND INSTALLATIONPFP:00000
ICC UnitAKS00704
REMOVAL
1. Remove the instrument passenger

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INFINITI FX35 2005 Service Manual ACS-74
[ICC]
REMOVAL AND INSTALLATION
Revision: 2005 July 2005 FX
INSTALLATION
Installation is the reverse order of removal.
CAUTION:
Adjust the laser beam aiming every time the ICC sensor is remove

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INFINITI FX35 2005 Service Manual AT-1
AUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
CONTENTS
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Revision: 2005 July 2005 FX
AUTOMATIC TRANSMISSION
INDEX FOR DTC ......................

AT-1
AUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
CONTENTS
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AUTOMATIC TRANSMISSION
INDEX FOR DTC ........................................................ 5
Alphabetical Index ............................................... ..... 5
DTC No. Index .................................................... ..... 6
PRECAUTIONS ..................................................... ..... 7
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 7
Precautions for On Board Diagnostic (OBD) System
of A/T and Engine ............................................... ..... 7
Precautions ......................................................... ..... 8
Service Notice or Precautions ............................. ..... 9
PREPARATION ...................................................... ... 10
Special Service Tools .......................................... ... 10
Commercial Service Tools ................................... .... 11
A/T FLUID .............................................................. ... 12
Changing A/T Fluid ............................................. ... 12
Checking A/T Fluid .............................................. ... 13
A/T Fluid Cooler Cleaning ................................... ... 15
A/T CONTROL SYSTEM ....................................... ... 18
Cross-Sectional View (2WD Models) .................. ... 18
Cross-Sectional View (AWD Models) .................. ... 19
Shift Mechanism .................................................. ... 20
TCM Function ...................................................... ... 31
CAN Communication ........................................... ... 32
Input/Output Signal of TCM ................................. ... 32
Line Pressure Control ......................................... ... 33
Shift Control ........................................................ ... 34
Lock-up Control ................................................... ... 35
Engine Brake Control .......................................... ... 36
Control Valve ....................................................... ... 37
ON BOARD DIAGNOSTIC (OBD) SYSTEM ......... ... 39
Introduction ......................................................... ... 39
OBD-II Function for A/T System .......................... ... 39
One or Two Trip Detection Logic of OBD-II ......... ... 39
OBD-II Diagnostic Trouble Code (DTC) .............. ... 39
Malfunction Indicator Lamp (MIL) ........................ ... 42
TROUBLE DIAGNOSIS ......................................... ... 43
DTC Inspection Priority Chart ............................. ... 43
Fail-safe .............................................................. ... 43
How to Perform Trouble Diagnosis for Quick and Accurate Repair ...................................................
... 45
A/T Electrical Parts Location ............................... ... 50
Circuit Diagram .................................................... ... 51
Inspections Before Trouble Diagnosis ................. ... 52
Check Before Engine Is Started .......................... ... 56
Check at Idle ........................................................ ... 57
Cruise Test - Part 1 .............................................. ... 58
Cruise Test - Part 2 .............................................. ... 60
Cruise Test - Part 3 .............................................. ... 61
Vehicle Speed at Which Gear Shifting Occurs .... ... 62
Vehicle Speed at Which Lock-up Occurs/Releases ... 63
Symptom Chart .................................................... ... 64
TCM Input/Output Signal Reference Values ........ ... 89
CONSULT-II Function (A/T) ................................. ... 90
Diagnostic Procedure without CONSULT-II ......... .103
DTC U1000 CAN COMMUNICATION LINE ........... .106
Description ........................................................... .106
On Board Diagnosis Logic ................................... .106
Possible Cause .................................................... .106
DTC Confirmation Procedure .............................. .106
Wiring Diagram — AT — CAN ............................. .107
Diagnostic Procedure .......................................... .108
DTC P0615 START SIGNAL CIRCUIT .................. .109
Description ........................................................... .109
CONSULT-II Reference Value ............................. .109
On Board Diagnosis Logic ................................... .109
Possible Cause .................................................... .109
DTC Confirmation Procedure .............................. .109
Wiring Diagram — AT — STSIG ......................... .110
Diagnostic Procedure .......................................... ..111
DTC P0700 TCM .................................................... .113
Description ........................................................... .113
On Board Diagnosis Logic ................................... .113
Possible Cause .................................................... .113
DTC Confirmation Procedure .............................. .113
Diagnostic Procedure .......................................... .113
DTC P0705 PARK/NEUTRAL POSITION SWITCH .114
Description ........................................................... .114
CONSULT-II Reference Value ............................. .114
On Board Diagnosis Logic ................................... .114

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INFINITI FX35 2005 Service Manual AT-2Revision: 2005 July 2005 FX
Possible Cause ....................................................
.114
DTC Confirmation Procedure .............................. .114
Wiring Diagram — AT —

AT-2Revision: 2005 July 2005 FX
Possible Cause ....................................................
.114
DTC Confirmation Procedure .............................. .114
Wiring Diagram — AT — PNP/SW ...................... .115
Diagnostic Procedure .......................................... .116
DTC P0720 VEHICLE SPEED SENSOR A/T (REV-
OLUTION SENSOR) .............................................. .118
Description ........................................................... .118
CONSULT-II Reference Value ............................. .118
On Board Diagnosis Logic ................................... .118
Possible Cause .................................................... .118
DTC Confirmation Procedure .............................. .118
Wiring Diagram — AT — VSSA/T ........................ .120
Diagnostic Procedure .......................................... .121
DTC P0725 ENGINE SPEED SIGNAL .................. .123
Description ........................................................... .123
CONSULT-II Reference Value ............................. .123
On Board Diagnosis Logic ................................... .123
Possible Cause .................................................... .123
DTC Confirmation Procedure .............................. .123
Diagnostic Procedure .......................................... .124
DTC P0740 TORQUE CONVERTER CLUTCH
SOLENOID VALVE ................................................ .125
Description ........................................................... .125
CONSULT-II Reference Value ............................. .125
On Board Diagnosis Logic ................................... .125
Possible Cause .................................................... .125
DTC Confirmation Procedure .............................. .125
Diagnostic Procedure .......................................... .126
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) .127
Description ........................................................... .127
CONSULT-II Reference Value ............................. .127
On Board Diagnosis Logic ................................... .127
Possible Cause .................................................... .127
DTC Confirmation Procedure .............................. .127
Diagnostic Procedure .......................................... .128
DTC P0745 LINE PRESSURE SOLENOID VALVE .129
Description ........................................................... .129
CONSULT-II Reference Value ............................. .129
On Board Diagnosis Logic ................................... .129
Possible Cause .................................................... .129
DTC Confirmation Procedure .............................. .129
Diagnostic Procedure .......................................... .130
DTC P1702 TRANSMISSION CONTROL MODULE
(RAM) ..................................................................... .131
Description ........................................................... .131
On Board Diagnosis Logic ................................... .131
Possible Cause .................................................... .131
DTC Confirmation Procedure .............................. .131
Diagnostic Procedure .......................................... .131
DTC P1703 TRANSMISSION CONTROL MODULE
(ROM) ..................................................................... .132
Description ........................................................... .132
On Board Diagnosis Logic ................................... .132
Possible Cause .................................................... .132
DTC Confirmation Procedure .............................. .132
Diagnostic Procedure .......................................... .132
DTC P1705 THROTTLE POSITION SENSOR ...... .133
Description ........................................................... .133
CONSULT-II Reference Value ............................. .133 On Board Diagnosis Logic ...................................
.133
Possible Cause .................................................... .133
DTC Confirmation Procedure ............................... .133
Diagnostic Procedure ........................................... .134
DTC P1710 A/T FLUID TEMPERATURE SENSOR
CIRCUIT ................................................................. .136
Description ........................................................... .136
CONSULT-II Reference Value .............................. .136
On Board Diagnosis Logic ................................... .136
Possible Cause .................................................... .136
DTC Confirmation Procedure ............................... .136
Wiring Diagram — AT — FTS .............................. .137
Diagnostic Procedure ........................................... .138
Component Inspection ......................................... .140
DTC P1716 TURBINE REVOLUTION SENSOR ... .141
Description ........................................................... .141
CONSULT-II Reference Value .............................. .141
On Board Diagnosis Logic ................................... .141
Possible Cause .................................................... .141
DTC Confirmation Procedure ............................... .141
Diagnostic Procedure ........................................... .142
DTC P1721 VEHICLE SPEED SENSOR MTR ...... .143
Description ........................................................... .143
CONSULT-II Reference Value .............................. .143
On Board Diagnosis Logic ................................... .143
Possible Cause .................................................... .143
DTC Confirmation Procedure ............................... .143
Diagnostic Procedure ........................................... .144
DTC P1730 A/T INTERLOCK ................................ .145
Description ........................................................... .145
On Board Diagnosis Logic ................................... .145
Possible Cause .................................................... .145
DTC Confirmation Procedure ............................... .145
Judgement of A/T Interlock .................................. .145
Diagnostic Procedure ........................................... .146
DTC P1731 A/T 1ST ENGINE BRAKING .............. .148
Description ........................................................... .148
CONSULT-II Reference Value .............................. .148
On Board Diagnosis Logic ................................... .148
Possible Cause .................................................... .148
DTC Confirmation Procedure ............................... .148
Diagnostic Procedure ........................................... .149
DTC P1752 INPUT CLUTCH SOLENOID VALVE . .150
Description ........................................................... .150
CONSULT-II Reference Value .............................. .150
On Board Diagnosis Logic ................................... .150
Possible Cause .................................................... .150
DTC Confirmation Procedure ............................... .150
Diagnostic Procedure ........................................... .151
DTC P1754 INPUT CLUTCH SOLENOID VALVE
FUNCTION ............................................................. .152
Description ........................................................... .152
CONSULT-II Reference Value .............................. .152
On Board Diagnosis Logic ................................... .152
Possible Cause .................................................... .152
DTC Confirmation Procedure ............................... .152
Diagnostic Procedure ........................................... .153
DTC P1757 FRONT BRAKE SOLENOID VALVE .. .154
Description ........................................................... .154

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INFINITI FX35 2005 Service Manual AT-3
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CONSULT-II Reference Value .............................
. 154
On Board Diagnosis Logic ..................................

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CONSULT-II Reference Value .............................
. 154
On Board Diagnosis Logic .................................. . 154
Possible Cause ................................................... . 154
DTC Confirmation Procedure .............................. . 154
Diagnostic Procedure .......................................... . 155
DTC P1759 FRONT BRAKE SOLENOID VALVE
FUNCTION ............................................................. . 156
Description .......................................................... . 156
CONSULT-II Reference Value ............................. . 156
On Board Diagnosis Logic .................................. . 156
Possible Cause ................................................... . 156
DTC Confirmation Procedure .............................. . 156
Diagnostic Procedure .......................................... . 157
DTC P1762 DIRECT CLUTCH SOLENOID VALVE . 158
Description .......................................................... . 158
CONSULT-II Reference Value ............................. . 158
On Board Diagnosis Logic .................................. . 158
Possible Cause ................................................... . 158
DTC Confirmation Procedure .............................. . 158
Diagnostic Procedure .......................................... . 159
DTC P1764 DIRECT CLUTCH SOLENOID VALVE
FUNCTION ............................................................. . 160
Description .......................................................... . 160
CONSULT-II Reference Value ............................. . 160
On Board Diagnosis Logic .................................. . 160
Possible Cause ................................................... . 160
DTC Confirmation Procedure .............................. . 160
Diagnostic Procedure .......................................... . 161
DTC P1767 HIGH AND LOW REVERSE CLUTCH
SOLENOID VALVE ................................................ . 162
Description .......................................................... . 162
CONSULT-II Reference Value ............................. . 162
On Board Diagnosis Logic .................................. . 162
Possible Cause ................................................... . 162
DTC Confirmation Procedure .............................. . 162
Diagnostic Procedure .......................................... . 163
DTC P1769 HIGH AND LOW REVERSE CLUTCH
SOLENOID VALVE FUNCTION ............................ . 164
Description .......................................................... . 164
CONSULT-II Reference Value ............................. . 164
On Board Diagnosis Logic .................................. . 164
Possible Cause ................................................... . 164
DTC Confirmation Procedure .............................. . 164
Diagnostic Procedure .......................................... . 165
DTC P1772 LOW COAST BRAKE SOLENOID
VALVE .................................................................... . 166
Description .......................................................... . 166
CONSULT-II Reference Value ............................. . 166
On Board Diagnosis Logic .................................. . 166
Possible Cause ................................................... . 166
DTC Confirmation Procedure .............................. . 166
Diagnostic Procedure .......................................... . 167
DTC P1774 LOW COAST BRAKE SOLENOID
VALVE FUNCTION ................................................ . 168
Description .......................................................... . 168
CONSULT-II Reference Value ............................. . 168
On Board Diagnosis Logic .................................. . 168
Possible Cause ................................................... . 168 DTC Confirmation Procedure ..............................
.168
Diagnostic Procedure .......................................... .169
DTC P1815 MANUAL MODE SWITCH ................. .170
Description ........................................................... .170
CONSULT-II Reference Value in Data Monitor Mode .170
On Board Diagnosis Logic ................................... .170
Possible Cause .................................................... .170
DTC Confirmation Procedure .............................. .170
Wiring Diagram — AT — MMSW ........................ .171
Diagnostic Procedure .......................................... .173
Component Inspection ......................................... .174
DTC P1841 ATF PRESSURE SWITCH 1 .............. .175
Description ........................................................... .175
CONSULT-II Reference Value ............................. .175
On Board Diagnosis Logic ................................... .175
Possible Cause .................................................... .175
DTC Confirmation Procedure .............................. .175
Diagnostic Procedure .......................................... .176
DTC P1843 ATF PRESSURE SWITCH 3 .............. .177
Description ........................................................... .177
CONSULT-II Reference Value ............................. .177
On Board Diagnosis Logic ................................... .177
Possible Cause .................................................... .177
DTC Confirmation Procedure .............................. .177
Diagnostic Procedure .......................................... .178
DTC P1845 ATF PRESSURE SWITCH 5 .............. .179
Description ........................................................... .179
CONSULT-II Reference Value ............................. .179
On Board Diagnosis Logic ................................... .179
Possible Cause .................................................... .179
DTC Confirmation Procedure .............................. .179
Diagnostic Procedure .......................................... .180
DTC P1846 ATF PRESSURE SWITCH 6 .............. .181
Description ........................................................... .181
CONSULT-II Reference Value ............................. .181
On Board Diagnosis Logic ................................... .181
Possible Cause .................................................... .181
DTC Confirmation Procedure .............................. .181
Diagnostic Procedure .......................................... .182
MAIN POWER SUPPLY AND GROUND CIRCUIT .183
Wiring Diagram — AT — MAIN ........................... .183
Diagnostic Procedure .......................................... .184
CLOSED THROTTLE POSITION AND WIDE OPEN
THROTTLE POSITION CIRCUIT ........................... .187
CONSULT-II Reference Value ............................. .187
Diagnostic Procedure .......................................... .187
BRAKE SIGNAL CIRCUIT ..................................... .188
CONSULT-II Reference Value ............................. .188
Diagnostic Procedure .......................................... .188
A/T INDICATOR CIRCUIT ...................................... .189
Description ........................................................... .189
CONSULT-II Reference Value ............................. .189
Diagnostic Procedure .......................................... .189
TROUBLE DIAGNOSIS FOR SYMPTOMS ........... .190
Wiring Diagram — AT — NONDTC ..................... .190
A/T CHECK Indicator Lamp Does Not Come On . 193
Engine Cannot Be Started in “P” or “N” Position . .194
In “P” Position, Vehicle Moves When Pushed ..... .195

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INFINITI FX35 2005 Service Manual AT-4Revision: 2005 July 2005 FX
In “N” Position, Vehicle Moves .............................
.196
Large Shock (“N” to “D” Position) ........................ .197
Vehicle Does Not Cr

AT-4Revision: 2005 July 2005 FX
In “N” Position, Vehicle Moves .............................
.196
Large Shock (“N” to “D” Position) ........................ .197
Vehicle Does Not Creep Backward in “R” Position .200
Vehicle Does Not Creep Forward in “D” Position . .203
Vehicle Cannot Be Started from D
1 ..................... .205
A/T Does Not Shift: D
1 → D2 ............................... .208
A/T Does Not Shift: D
2 → D3 ............................... .210
A/T Does Not Shift: D
3 → D4 ............................... .212
A/T Does Not Shift: D
4 → D5 ............................... .215
A/T Does Not Perform Lock-up ........................... .217
A/T Does Not Hold Lock-up Condition ................. .219
Lock-up Is Not Released ..................................... .221
Engine Speed Does Not Return to Idle ............... .221
Cannot Be Changed to Manual Mode ................. .223
A/T Does Not Shift: 5th Gear → 4th Gear ........... .223
A/T Does Not Shift: 4th Gear → 3rd Gear ........... .225
A/T Does Not Shift: 3rd Gear → 2nd Gear .......... .227
A/T Does Not Shift: 2nd Gear → 1st Gear ........... .229
Vehicle Does Not Decelerate by Engine Brake ... .231
SHIFT CONTROL SYSTEM ................................... .233
Control Device Removal and Installation ............. .233
Control Rod Removal and Installation ................. .234
Adjustment of A/T Position .................................. .235
Checking of A/T Position ..................................... .235
A/T SHIFT LOCK SYSTEM .................................... .236
Description ........................................................... .236
Shift Lock System Electrical Parts Location ........ .236
Wiring Diagram — AT — SHIFT .......................... .237
Diagnostic Procedure .......................................... .238
KEY INTERLOCK CABLE ..................................... .240
Components ........................................................ .240
Removal and Installation ..................................... .241
ON-VEHICLE SERVICE ......................................... .243
Control Valve with TCM and A/T Fluid Temperature
Sensor 2 .............................................................. .243
Parking Components (2WD Models Only) ........... .255
Rear Oil Seal ....................................................... .262
Revolution Sensor Components (2WD Models Only) ....................................................................
.263
AIR BREATHER HOSE .......................................... .268
Removal and Installation ...................................... .268
TRANSMISSION ASSEMBLY ................................ .270
Removal and Installation (2WD Models) .............. .270
Removal and Installation (AWD Models) ............. .273
OVERHAUL ............................................................ .278
Components ......................................................... .278
Oil Channel .......................................................... .286
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings ......................... .288
DISASSEMBLY ...................................................... .290
Disassembly ......................................................... .290
REPAIR FOR COMPONENT PARTS ..................... .308
Oil Pump .............................................................. .308
Front Sun Gear, 3rd One-way Clutch ................... .311
Front Carrier, Input Clutch, Rear Internal Gear .... .313
Mid Sun Gear, Rear Sun Gear, High and Low
Reverse Clutch Hub ............................................. .318
High and Low Reverse Clutch ............................. .323
Direct Clutch ........................................................ .326
ASSEMBLY ............................................................ .328
Assembly (1) ........................................................ .328
Adjustment ........................................................... .341
Assembly (2) ........................................................ .344
SERVICE DATA AND SPECIFICATIONS (SDS) ... .351
General Specifications ......................................... .351
Vehicle Speed at Which Gear Shifting Occurs ..... .351
Vehicle Speed at Which Lock-up Occurs/Releases .352
Stall Speed ........................................................... .352
Line Pressure ....................................................... .352
A/T Fluid Temperature Sensor ............................. .352
Turbine Revolution Sensor ................................... .353
Vehicle Speed Sensor A/T (Revolution Sensor) .. .353
Reverse Brake ..................................................... .353
Total End Play ...................................................... .353

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INFINITI FX35 2005 Service Manual INDEX FOR DTC AT-5
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Revision: 2005 July 2005 FX
INDEX FOR DTCPFP:00024
Alphabetical Index ACS002L1
NOTE:
If DTC U1000 is displayed with other DTCs, first perform

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