2004 INFINITI FX35 Service Manual

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INFINITI FX35 2004 Service Manual ACS-64
[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2004 November 2004 FX35/FX45
2. VISUAL CHECK
Check ICC sensor body window for contamination and foreign materials.
OK or NG
OK >> If any contami

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INFINITI FX35 2004 Service Manual ELECTRICAL COMPONENT INSPECTION
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ELECTRICAL COMPONENT INSPECTIONPFP:00000
ICC Steering SwitchAKS006ZX
1. Disconnect ICC st

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INFINITI FX35 2004 Service Manual ACS-66
[ICC]
ELECTRICAL COMPONENT INSPECTION
Revision: 2004 November 2004 FX35/FX45
Release SwitchAKS00700
Disconnect booster solenoid/release switch connector and check
resistance between the termina

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INFINITI FX35 2004 Service Manual REMOVAL AND INSTALLATION
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REMOVAL AND INSTALLATIONPFP:00000
ICC UnitAKS00704
ICC SensorAKS00705
CAUTION:
Adjust the laser

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INFINITI FX35 2004 Service Manual ACS-68
[ICC]
REMOVAL AND INSTALLATION
Revision: 2004 November 2004 FX35/FX45

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INFINITI FX35 2004 Service Manual AT-1
AUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
CONTENTS
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AUTOMATIC TRANSMISSION
INDEX FOR DTC ......................

AT-1
AUTOMATIC TRANSMISSION
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CONTENTS
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Revision: 2004 November 2004 FX35/FX45
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
Wiring Diagrams and Trouble Diagnosis .................. 9
PREPARATION ......................................................... 10
Special Service Tools ............................................. 10
Commercial Service Tools ....................................... 11
A/T FLUID ................................................................. 12
Changing A/T Fluid ................................................ 12
Checking A/T Fluid ................................................. 12
A/T Fluid Cooler Cleaning ...................................... 14
A/T CONTROL SYSTEM .......................................... 17
Cross-Sectional View (2WD Models) ..................... 17
Cross-Sectional View (AWD Models) ..................... 18
Shift Mechanism ..................................................... 19
TCM Function ......................................................... 30
CAN Communication .............................................. 31
Input/Output Signal of TCM .................................... 31
Line Pressure Control ............................................ 32
Shift Control ........................................................... 33
Lock-up Control ...................................................... 34
Engine Brake Control ............................................. 36
Control Valve .......................................................... 36
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 38
Introduction ............................................................ 38
OBD-II Function for A/T System ............................. 38
One or Two Trip Detection Logic of OBD-II ............ 38
OBD-II Diagnostic Trouble Code (DTC) ................. 38
Malfunction Indicator Lamp (MIL) ........................... 41
TROUBLE DIAGNOSIS ............................................ 42
DTC Inspection Priority Chart ................................ 42
Fail-Safe ................................................................. 42How To Perform Trouble Diagnosis For Quick and
Accurate Repair ...................................................... 44
A/T Electrical Parts Location .................................. 49
Circuit Diagram ....................................................... 50
Inspections Before Trouble Diagnosis .................... 51
Check Before Engine is Started .............................. 55
Check at Idle ........................................................... 55
Cruise Test - Part 1 ................................................. 57
Cruise Test - Part 2 ................................................. 60
Cruise Test - Part 3 ................................................. 61
Vehicle Speed When Shifting Gears ...................... 62
Vehicle Speed When Performing and Releasing
Complete Lock-up .................................................. 63
Vehicle Speed When Performing and Releasing
Slip Lock-up ............................................................ 64
Symptom Chart ....................................................... 65
TCM Input/Output Signal Reference Values ........... 90
CONSULT-II ............................................................ 91
Diagnostic Procedure Without CONSULT-II .........103
DTC U1000 CAN COMMUNICATION LINE ............105
Description ............................................................105
On Board Diagnosis Logic ....................................105
Possible Cause .....................................................105
DTC Confirmation Procedure ...............................105
Wiring Diagram — AT — CAN ..............................106
Diagnostic Procedure ...........................................107
DTC P0615 START SIGNAL CIRCUIT ...................108
Description ............................................................108
CONSULT-II Reference Value ..............................108
On Board Diagnosis Logic ....................................108
Possible Cause .....................................................108
DTC Confirmation Procedure ...............................108
Wiring Diagram — AT — STSIG ..........................109
Diagnostic Procedure ...........................................110
DTC P0705 PARK/NEUTRAL POSITION SWITCH .112
Description ............................................................112
CONSULT-II Reference Value ..............................112
On Board Diagnosis Logic ....................................112
Possible Cause .....................................................112
DTC Confirmation Procedure ...............................112

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INFINITI FX35 2004 Service Manual AT-2Revision: 2004 November 2004 FX35/FX45Wiring Diagram — AT — PNP/SW .......................113
Diagnostic Procedure ...........................................114
DTC P0720 VEHICLE SPEED SENS

AT-2Revision: 2004 November 2004 FX35/FX45Wiring Diagram — AT — PNP/SW .......................113
Diagnostic Procedure ...........................................114
DTC P0720 VEHICLE SPEED SENSOR A/T (REV-
OLUTION SENSOR) ...............................................116
Description ............................................................116
CONSULT-II Reference Value ..............................116
On Board Diagnosis Logic ....................................116
Possible Cause .....................................................116
DTC Confirmation Procedure ...............................116
Wiring Diagram — AT — VSSA/T .........................118
Diagnostic Procedure ...........................................119
DTC P0725 ENGINE SPEED SIGNAL ...................121
Description ............................................................121
CONSULT-II Reference Value ..............................121
On Board Diagnosis Logic ....................................121
Possible Cause .....................................................121
DTC Confirmation Procedure ...............................121
Diagnostic Procedure ...........................................121
DTC P0740 TORQUE CONVERTER CLUTCH
SOLENOID VALVE .................................................123
Description ............................................................123
CONSULT-II Reference Value ..............................123
On Board Diagnosis Logic ....................................123
Possible Cause .....................................................123
DTC Confirmation Procedure ...............................123
Diagnostic Procedure ...........................................124
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) .125
Description ............................................................125
CONSULT-II Reference Value ..............................125
On Board Diagnosis Logic ....................................125
Possible Cause .....................................................125
DTC Confirmation Procedure ...............................125
Diagnostic Procedure ...........................................126
DTC P0745 LINE PRESSURE SOLENOID VALVE .127
Description ............................................................127
CONSULT-II Reference Value ..............................127
On Board Diagnosis Logic ....................................127
Possible Cause .....................................................127
DTC Confirmation Procedure ...............................127
Diagnostic Procedure ...........................................128
DTC P1701 TRANSMISSION CONTROL MODULE
(POWER SUPPLY) ..................................................129
Description ............................................................129
On Board Diagnosis Logic ....................................129
Possible Cause .....................................................129
DTC Confirmation Procedure ...............................129
Wiring Diagram — AT — POWER ........................130
Diagnostic Procedure ...........................................131
DTC P1702 TRANSMISSION CONTROL MODULE
(RAM) ......................................................................133
Description ............................................................133
On Board Diagnosis Logic ....................................133
Possible Cause .....................................................133
DTC Confirmation Procedure ...............................133
Diagnostic Procedure ...........................................133
DTC P1703 TRANSMISSION CONTROL MODULE
(ROM) ......................................................................134
Description ............................................................134
On Board Diagnosis Logic ....................................134Possible Cause .....................................................134
DTC Confirmation Procedure ................................134
Diagnostic Procedure ............................................134
DTC P1704 TRANSMISSION CONTROL MODULE
(EEPROM) ...............................................................135
Description ............................................................135
On Board Diagnosis Logic ....................................135
Possible Cause .....................................................135
DTC Confirmation Procedure ................................135
Diagnostic Procedure ............................................135
DTC P1705 THROTTLE POSITION SENSOR ........136
Description ............................................................136
CONSULT-II Reference Value ...............................136
On Board Diagnosis Logic ....................................136
Possible Cause .....................................................136
DTC Confirmation Procedure ................................136
Diagnostic Procedure ............................................136
DTC P1710 A/T FLUID TEMPERATURE SENSOR
CIRCUIT ..................................................................139
Description ............................................................139
CONSULT-II Reference Value ...............................139
On Board Diagnosis Logic ....................................139
Possible Cause .....................................................139
DTC Confirmation Procedure ................................139
Wiring Diagram — AT — FTS ...............................140
Diagnostic Procedure ............................................141
Component Inspection ..........................................142
DTC P1716 TURBINE REVOLUTION SENSOR ....143
Description ............................................................143
CONSULT-II Reference Value ...............................143
On Board Diagnosis Logic ....................................143
Possible Cause .....................................................143
DTC Confirmation Procedure ................................143
Diagnostic Procedure ............................................144
DTC P1721 VEHICLE SPEED SENSOR MTR .......145
Description ............................................................145
CONSULT-II Reference Value ...............................145
On Board Diagnosis Logic ....................................145
Possible Cause .....................................................145
DTC Confirmation Procedure ................................145
Diagnostic Procedure ............................................146
DTC P1730 A/T INTERLOCK .................................147
Description ............................................................147
On Board Diagnosis Logic ....................................147
Possible Cause .....................................................147
DTC Confirmation Procedure ................................147
Judgement of A/T Interlock ...................................147
Diagnostic Procedure ............................................148
DTC P1731 A/T 1ST ENGINE BRAKING ...............150
Description ............................................................150
CONSULT-II Reference Value ...............................150
On Board Diagnosis Logic ....................................150
Possible Cause .....................................................150
DTC Confirmation Procedure ................................150
Diagnostic Procedure ............................................151
DTC P1752 INPUT CLUTCH SOLENOID VALVE ..152
Description ............................................................152
CONSULT-II Reference Value ...............................152
On Board Diagnosis Logic ....................................152

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INFINITI FX35 2004 Service Manual AT-3
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Revision: 2004 November 2004 FX35/FX45Possible Cause .................................................... 152
DTC Confirmation Procedure ..............................

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Revision: 2004 November 2004 FX35/FX45Possible Cause .................................................... 152
DTC Confirmation Procedure ............................... 152
Diagnostic Procedure ........................................... 153
DTC P1754 INPUT CLUTCH SOLENOID VALVE
FUNCTION .............................................................. 154
Description ........................................................... 154
CONSULT-II Reference Value .............................. 154
On Board Diagnosis Logic ................................... 154
Possible Cause .................................................... 154
DTC Confirmation Procedure ............................... 154
Diagnostic Procedure ........................................... 155
DTC P1757 FRONT BRAKE SOLENOID VALVE .. 156
Description ........................................................... 156
CONSULT-II Reference Value .............................. 156
On Board Diagnosis Logic ................................... 156
Possible Cause .................................................... 156
DTC Confirmation Procedure ............................... 156
Diagnostic Procedure ........................................... 157
DTC P1759 FRONT BRAKE SOLENOID VALVE
FUNCTION .............................................................. 158
Description ........................................................... 158
CONSULT-II Reference Value .............................. 158
On Board Diagnosis Logic ................................... 158
Possible Cause .................................................... 158
DTC Confirmation Procedure ............................... 158
Diagnostic Procedure ........................................... 159
DTC P1762 DIRECT CLUTCH SOLENOID VALVE . 160
Description ........................................................... 160
CONSULT-II Reference Value .............................. 160
On Board Diagnosis Logic ................................... 160
Possible Cause .................................................... 160
DTC Confirmation Procedure ............................... 160
Diagnostic Procedure ........................................... 161
DTC P1764 DIRECT CLUTCH SOLENOID VALVE
FUNCTION .............................................................. 162
Description ........................................................... 162
CONSULT-II Reference Value .............................. 162
On Board Diagnosis Logic ................................... 162
Possible Cause .................................................... 162
DTC Confirmation Procedure ............................... 162
Diagnostic Procedure ........................................... 163
DTC P1767 HIGH AND LOW REVERSE CLUTCH
SOLENOID VALVE ................................................. 164
Description ........................................................... 164
CONSULT-II Reference Value .............................. 164
On Board Diagnosis Logic ................................... 164
Possible Cause .................................................... 164
DTC Confirmation Procedure ............................... 164
Diagnostic Procedure ........................................... 165
DTC P1769 HIGH AND LOW REVERSE CLUTCH
SOLENOID VALVE FUNCTION ............................. 166
Description ........................................................... 166
CONSULT-II Reference Value .............................. 166
On Board Diagnosis Logic ................................... 166
Possible Cause .................................................... 166
DTC Confirmation Procedure ............................... 166
Diagnostic Procedure ........................................... 167
DTC P1772 LOW COAST BRAKE SOLENOID
VALVE ..................................................................... 168Description ............................................................168
CONSULT-II Reference Value ..............................168
On Board Diagnosis Logic ....................................168
Possible Cause .....................................................168
DTC Confirmation Procedure ...............................168
Diagnostic Procedure ...........................................169
DTC P1774 LOW COAST BRAKE SOLENOID
VALVE FUNCTION ..................................................170
Description ............................................................170
CONSULT-II Reference Value ..............................170
On Board Diagnosis Logic ....................................170
Possible Cause .....................................................170
DTC Confirmation Procedure ...............................170
Diagnostic Procedure ...........................................171
DTC P1815 MANUAL MODE SWITCH ..................172
Description ............................................................172
CONSULT-II Reference Value in Data Monitor Mode
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On Board Diagnosis Logic ....................................172
Possible Cause .....................................................172
DTC Confirmation Procedure ...............................172
Wiring Diagram — AT — MMSW .........................173
Diagnostic Procedure ...........................................175
Component Inspection ..........................................176
A/T Position Indicator ...........................................177
DTC P1841 ATF PRESSURE SWITCH 1 ...............178
Description ............................................................178
CONSULT-II Reference Value ..............................178
On Board Diagnosis Logic ....................................178
Possible Cause .....................................................178
DTC Confirmation Procedure ...............................178
Diagnostic Procedure ...........................................179
DTC P1843 ATF PRESSURE SWITCH 3 ...............180
Description ............................................................180
CONSULT-II Reference Value ..............................180
On Board Diagnosis Logic ....................................180
Possible Cause .....................................................180
DTC Confirmation Procedure ...............................180
Diagnostic Procedure ...........................................181
DTC P1845 ATF PRESSURE SWITCH 5 ...............182
Description ............................................................182
CONSULT-II Reference Value ..............................182
On Board Diagnosis Logic ....................................182
Possible Cause .....................................................182
DTC Confirmation Procedure ...............................182
Diagnostic Procedure ...........................................183
DTC P1846 ATF PRESSURE SWITCH 6 ...............184
Description ............................................................184
CONSULT-II Reference Value ..............................184
On Board Diagnosis Logic ....................................184
Possible Cause .....................................................184
DTC Confirmation Procedure ...............................184
Diagnostic Procedure ...........................................185
CLOSED THROTTLE POSITION AND WIDE OPEN
THROTTLE POSITION CIRCUIT ............................186
CONSULT-II Reference Value ..............................186
Diagnostic Procedure ...........................................186
BRAKE SIGNAL CIRCUIT ......................................187

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