wiring diagram INFINITI M35 2007 Factory Service Manual
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AUTO CRUISE CONTROL SYSTEM
K ELECTRICAL
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Revision: 2007 April2007 M35/M45
AUTO CRUISE CONTROL SYSTEM
ASCD
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ..... 3
Description ............................................................... 3
ICC
PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 4
Precautions for ICC System Service ........................ 4
PREPARATION ........................................................... 5
Special Service Tools ............................................... 5
DESCRIPTION ............................................................ 6
Outline ...................................................................... 6
VEHICLE-TO-VEHICLE DISTANCE CONTROL
MODE ................................................................... 6
CONVENTIONAL (FIXED SPEED) CRUISE
CONTROL MODE ................................................. 6
BRAKE ASSIST (WITH PREVIEW FUNCTION) ..... 6
Functional Diagram .................................................. 7
Components Description .......................................... 9
CAN Communication ................................................ 9
CAN COMMUNICATION UNIT ............................. 9
Switch Operation .................................................... 10
IN VEHICLE-TO-VEHICLE DISTANCE CON-
TROL MODE ....................................................... 10
IN CONVENTIONAL (FIXED SPEED) CRUISE
CONTROL MODE ............................................... 10
ICC System Display ................................................ 11
IN VEHICLE-TO-VEHICLE DISTANCE CON-
TROL MODE ........................................................ 11
IN CONVENTIONAL (FIXED SPEED) CRUISE
CONTROL MODE ................................................ 11
ACTION TEST .......................................................... 12
ICC System Running Test ...................................... 12
VEHICLE-TO-VEHICLE DISTANCE CONTROL
MODE ................................................................. 12
CONVENTIONAL (FIXED SPEED) CRUISE
CONTROL MODE ............................................... 13LASER BEAM AIMING ADJUSTMENT ................... 15
Outline .................................................................... 15
Preparation ............................................................. 15
Outline of Adjustment Procedure ............................ 15
Setting the ICC Target Board .................................. 15
ADJUSTING HEIGHT OF THE TARGET ............ 15
ADJUSTING THE RIGHT-LEFT POSITION OF
THE TARGET ...................................................... 16
SETTING THE TARGET ..................................... 16
Aiming Adjustment .................................................. 18
CHECK AFTER THE ADJUSTMENT .................. 20
ELECTRICAL UNITS LOCATION ............................ 21
Component Parts and Harness Connector Location ... 21
WIRING DIAGRAM ................................................... 22
Schematic ............................................................... 22
Wiring Diagram — ICC — ...................................... 23
TERMINALS AND REFERENCE VALUE ................. 28
Terminals and Reference Value for ICC Sensor Inte-
grated Unit .............................................................. 28
TROUBLE DIAGNOSIS - GENERAL DESCRIP-
TION .......................................................................... 29
Fail-Safe Function .................................................. 29
Work Flow ............................................................... 29
CONSULT-II Function (ICC) ................................... 30
DESCRIPTION .................................................... 30
CONSULT-II BASIC OPERATION ....................... 30
WORK SUPPORT ............................................... 30
SELF-DIAGNOSTIC RESULTS ........................... 31
DATA MONITOR ................................................. 31
ACTIVE TEST ..................................................... 33
Self-Diagnostic Function ......................................... 34
WITH CONSULT-II .............................................. 34
WITHOUT CONSULT-II ....................................... 35
SELF-DIAGNOSIS BY DOT MATRIX LCD WILL
NOT RUN ............................................................ 36
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC
ITEMS ........................................................................ 40
Diagnostic Trouble Code (DTC) Chart ................... 40
DTC 0 CONTROL UNIT ......................................... 42
DTC 1 POWER SUPPLY CIR, DTC 2 POWER SUP-
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AT-1
AUTOMATIC TRANSMISSION
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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 ...................................... 14
A/T CONTROL SYSTEM .......................................... 17
Cross-Sectional View (VQ35DE Models for 2WD) ... 17
Cross-Sectional View (VK45DE Models for 2WD) ... 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 ...................................................... 37
Engine Brake Control ............................................. 38
Control Valve .......................................................... 38
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 40
Introduction ............................................................ 40
OBD-II Function for A/T System ............................. 40
One or Two Trip Detection Logic of OBD-II ............ 40
OBD-II Diagnostic Trouble Code (DTC) ................. 40
Malfunction Indicator Lamp (MIL) ........................... 43
TROUBLE DIAGNOSIS ............................................ 44
DTC Inspection Priority Chart ................................ 44
Fail-safe ................................................................. 44How to Perform Trouble Diagnosis for Quick and
Accurate Repair ...................................................... 46
A/T Electrical Parts Location .................................. 51
Circuit Diagram ....................................................... 52
Inspections before Trouble Diagnosis .................... 53
Check before Engine Is Started .............................. 57
Check at Idle ........................................................... 57
Cruise Test - Part 1 ................................................. 59
Cruise Test - Part 2 ................................................. 61
Cruise Test - Part 3 ................................................. 61
Vehicle Speed at Which Gear Shifting Occurs ....... 63
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 ............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 P0700 TCM .....................................................112
Description ............................................................112
On Board Diagnosis Logic ....................................112
Possible Cause .....................................................112
DTC Confirmation Procedure ...............................112
Diagnostic Procedure ...........................................112
DTC P0705 PARK/NEUTRAL POSITION SWITCH .113
Description ............................................................113
CONSULT-II Reference Value ..............................113
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AT-2Revision: 2007 April2007 M35/M45 On Board Diagnosis Logic ....................................113
Possible Cause .....................................................113
DTC Confirmation Procedure ...............................113
Wiring Diagram — AT — PNP/SW .......................114
Diagnostic Procedure ...........................................115
DTC P0717 TURBINE REVOLUTION SENSOR ....117
Description ............................................................117
CONSULT-II Reference Value ..............................117
On Board Diagnosis Logic ....................................117
Possible Cause .....................................................117
DTC Confirmation Procedure ...............................117
Diagnostic Procedure ...........................................118
DTC P0720 VEHICLE SPEED SENSOR A/T (REV-
OLUTION SENSOR) ...............................................119
Description ............................................................119
CONSULT-II Reference Value ..............................119
On Board Diagnosis Logic ....................................119
Possible Cause .....................................................119
DTC Confirmation Procedure ...............................119
Wiring Diagram — AT — VSSA/T .........................121
Diagnostic Procedure ...........................................122
DTC P0725 ENGINE SPEED SIGNAL ...................124
Description ............................................................124
CONSULT-II Reference Value ..............................124
On Board Diagnosis Logic ....................................124
Possible Cause .....................................................124
DTC Confirmation Procedure ...............................124
Diagnostic Procedure ...........................................125
DTC P0740 TORQUE CONVERTER CLUTCH
SOLENOID VALVE .................................................126
Description ............................................................126
CONSULT-II Reference Value ..............................126
On Board Diagnosis Logic ....................................126
Possible Cause .....................................................126
DTC Confirmation Procedure ...............................126
Diagnostic Procedure ...........................................127
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) .128
Description ............................................................128
CONSULT-II Reference Value ..............................128
On Board Diagnosis Logic ....................................128
Possible Cause .....................................................128
DTC Confirmation Procedure ...............................128
Diagnostic Procedure ...........................................129
DTC P0745 LINE PRESSURE SOLENOID VALVE .130
Description ............................................................130
CONSULT-II Reference Value ..............................130
On Board Diagnosis Logic ....................................130
Possible Cause .....................................................130
DTC Confirmation Procedure ...............................130
Diagnostic Procedure ...........................................131
DTC P1705 THROTTLE POSITION SENSOR .......132
Description ............................................................132
CONSULT-II Reference Value ..............................132
On Board Diagnosis Logic ....................................132
Possible Cause .....................................................132
DTC Confirmation Procedure ...............................132
Diagnostic Procedure ...........................................133
DTC P1710 A/T FLUID TEMPERATURE SENSOR
CIRCUIT ..................................................................135Description ............................................................135
CONSULT-II Reference Value ...............................135
On Board Diagnosis Logic ....................................135
Possible Cause .....................................................135
DTC Confirmation Procedure ................................135
Wiring Diagram — AT — FTS ...............................136
Diagnostic Procedure ............................................137
Component Inspection ..........................................139
DTC P1721 VEHICLE SPEED SENSOR MTR .......140
Description ............................................................140
CONSULT-II Reference Value ...............................140
On Board Diagnosis Logic ....................................140
Possible Cause .....................................................140
DTC Confirmation Procedure ................................140
Diagnostic Procedure ............................................141
DTC P1730 A/T INTERLOCK .................................142
Description ............................................................142
On Board Diagnosis Logic ....................................142
Possible Cause .....................................................142
DTC Confirmation Procedure ................................142
Judgement of A/T Interlock ...................................143
Diagnostic Procedure ............................................143
DTC P1731 A/T 1ST ENGINE BRAKING ...............145
Description ............................................................145
CONSULT-II Reference Value ...............................145
On Board Diagnosis Logic ....................................145
Possible Cause .....................................................145
DTC Confirmation Procedure ................................145
Diagnostic Procedure ............................................146
DTC P1752 INPUT CLUTCH SOLENOID VALVE ..147
Description ............................................................147
CONSULT-II Reference Value ...............................147
On Board Diagnosis Logic ....................................147
Possible Cause .....................................................147
DTC Confirmation Procedure ................................147
Diagnostic Procedure ............................................148
DTC P1754 INPUT CLUTCH SOLENOID VALVE
FUNCTION ..............................................................149
Description ............................................................149
CONSULT-II Reference Value ...............................149
On Board Diagnosis Logic ....................................149
Possible Cause .....................................................149
DTC Confirmation Procedure ................................149
Diagnostic Procedure ............................................150
DTC P1757 FRONT BRAKE SOLENOID VALVE ...151
Description ............................................................151
CONSULT-II Reference Value ...............................151
On Board Diagnosis Logic ....................................151
Possible Cause .....................................................151
DTC Confirmation Procedure ................................151
Diagnostic Procedure ............................................152
DTC P1759 FRONT BRAKE SOLENOID VALVE
FUNCTION ..............................................................153
Description ............................................................153
CONSULT-II Reference Value ...............................153
On Board Diagnosis Logic ....................................153
Possible Cause .....................................................153
DTC Confirmation Procedure ................................153
Diagnostic Procedure ............................................154
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Revision: 2007 April2007 M35/M45 DTC P1762 DIRECT CLUTCH SOLENOID VALVE . 155
Description ........................................................... 155
CONSULT-II Reference Value .............................. 155
On Board Diagnosis Logic ................................... 155
Possible Cause .................................................... 155
DTC Confirmation Procedure ............................... 155
Diagnostic Procedure ........................................... 156
DTC P1764 DIRECT CLUTCH SOLENOID VALVE
FUNCTION .............................................................. 157
Description ........................................................... 157
CONSULT-II Reference Value .............................. 157
On Board Diagnosis Logic ................................... 157
Possible Cause .................................................... 157
DTC Confirmation Procedure ............................... 157
Diagnostic Procedure ........................................... 158
DTC P1767 HIGH AND LOW REVERSE CLUTCH
SOLENOID VALVE ................................................. 159
Description ........................................................... 159
CONSULT-II Reference Value .............................. 159
On Board Diagnosis Logic ................................... 159
Possible Cause .................................................... 159
DTC Confirmation Procedure ............................... 159
Diagnostic Procedure ........................................... 160
DTC P1769 HIGH AND LOW REVERSE CLUTCH
SOLENOID VALVE FUNCTION ............................. 161
Description ........................................................... 161
CONSULT-II Reference Value .............................. 161
On Board Diagnosis Logic ................................... 161
Possible Cause .................................................... 161
DTC Confirmation Procedure ............................... 161
Diagnostic Procedure ........................................... 162
DTC P1772 LOW COAST BRAKE SOLENOID
VALVE ..................................................................... 163
Description ........................................................... 163
CONSULT-II Reference Value .............................. 163
On Board Diagnosis Logic ................................... 163
Possible Cause .................................................... 163
DTC Confirmation Procedure ............................... 163
Diagnostic Procedure ........................................... 164
DTC P1774 LOW COAST BRAKE SOLENOID
VALVE FUNCTION ................................................. 165
Description ........................................................... 165
CONSULT-II Reference Value .............................. 165
On Board Diagnosis Logic ................................... 165
Possible Cause .................................................... 165
DTC Confirmation Procedure ............................... 165
Diagnostic Procedure ........................................... 166
DTC P1815 MANUAL MODE SWITCH .................. 167
Description ........................................................... 167
CONSULT-II Reference Value .............................. 167
On Board Diagnosis Logic ................................... 167
Possible Cause .................................................... 167
DTC Confirmation Procedure ............................... 167
Wiring Diagram — AT — MMSW ......................... 168
Diagnostic Procedure ........................................... 170
Component Inspection ......................................... 171
DTC P1841 ATF PRESSURE SWITCH 1 ............... 172
Description ........................................................... 172
CONSULT-II Reference Value .............................. 172On Board Diagnosis Logic ....................................172
Possible Cause .....................................................172
DTC Confirmation Procedure ...............................172
Diagnostic Procedure ...........................................173
DTC P1843 ATF PRESSURE SWITCH 3 ...............174
Description ............................................................174
CONSULT-II Reference Value ..............................174
On Board Diagnosis Logic ....................................174
Possible Cause .....................................................174
DTC Confirmation Procedure ...............................174
Diagnostic Procedure ...........................................175
DTC P1845 ATF PRESSURE SWITCH 5 ...............176
Description ............................................................176
CONSULT-II Reference Value ..............................176
On Board Diagnosis Logic ....................................176
Possible Cause .....................................................176
DTC Confirmation Procedure ...............................176
Diagnostic Procedure ...........................................177
DTC P1846 ATF PRESSURE SWITCH 6 ...............178
Description ............................................................178
CONSULT-II Reference Value ..............................178
On Board Diagnosis Logic ....................................178
Possible Cause .....................................................178
DTC Confirmation Procedure ...............................178
Diagnostic Procedure ...........................................179
MAIN POWER SUPPLY AND GROUND CIRCUIT .180
Wiring Diagram — AT — MAIN ............................180
Diagnostic Procedure ...........................................181
CLOSED THROTTLE POSITION AND WIDE OPEN
THROTTLE POSITION CIRCUIT ............................184
CONSULT-II Reference Value ..............................184
Diagnostic Procedure ...........................................184
BRAKE SIGNAL CIRCUIT ......................................185
CONSULT-II Reference Value ..............................185
Diagnostic Procedure ...........................................185
A/T INDICATOR CIRCUIT .......................................186
Description ............................................................186
CONSULT-II Reference Value ..............................186
Diagnostic Procedure ...........................................186
TROUBLE DIAGNOSIS FOR SYMPTOMS ............187
Wiring Diagram — AT — NONDTC ......................187
A/T CHECK Indicator Lamp Does Not Come On . 190
Engine Cannot Be Started in “P” or “N” Position ..190
In “P” Position, Vehicle Moves When Pushed ......191
In “N” Position, Vehicle Moves ..............................192
Large Shock (“N” to “D” Position) .........................193
Vehicle Does Not Creep Backward in “R” Position .195
Vehicle Does Not Creep Forward in “D” Position . 197
Vehicle Cannot Be Started from D
1 ......................199
A/T Does Not Shift: D
1 → D2 ................................201
A/T Does Not Shift: D
2 → D3 ................................203
A/T Does Not Shift: D
3 → D4 ................................205
A/T Does Not Shift: D
4 → D5 ................................207
A/T Does Not Lock-up ..........................................209
A/T Does Not Hold Lock-up Condition ..................210
Lock-up Is Not Released ......................................212
Engine Speed Does Not Return to Idle ................212
Cannot Be Changed to Manual Mode ..................213
A/T Does Not Shift: 5th Gear → 4th Gear ............214