MOTOR INFINITI M35 2007 Factory Service Manual

SC-14
STARTING SYSTEM
Revision: 2007 April2007 M35/M45
Removal and Installation NKS005BU
VQ35DE ENGINE MODELS (2WD)
Removal
1. Disconnect the battery cable from the negative terminal.
2. Remove engine front and rear undercover, using power tools.
3. Remove “B” terminal nut (1).
4. Disconnect “S” connector (2).
5. Remove starter motor mounting bolts (A), using power tools.
6. Remove starter motor downward from the vehicle.
Installation
Installation is the reverse order of removal.
CAUTION:
Be sure to tighten “B” terminal nut carefully.
1. Starter motor mounting bolt 2. Harness clip bracket 3. “S” connector
4. “B” terminal nut 5. “B” terminal harness 6. Starter motor
7. Oil pan : N·m (kg-m, ft-lb) : N·m (kg-m, in-lb)
: Engine front
PKIB8799E
PKIB8800E

STARTING SYSTEM
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Revision: 2007 April2007 M35/M45
VQ35DE ENGINE MODELS (AWD)
Removal
1. Disconnect the battery cable from the negative terminal.
2. Remove engine rear undercover, using power tools.
3. Remove exhaust mounting bracket. Refer to EM-28, "
Removal and Installation" .
4. Remove “B” terminal nut (1).
5. Disconnect “S” connector (1).
6. Remove starter motor mounting bolts (A) and harness bracket
(2), using power tools.
7. Remove starter motor downward from the vehicle.
Installation
Installation is the reverse order of removal.
CAUTION:
Be sure to tighten “B” terminal nut carefully.
1. Starter motor mounting bolt 2. Oil pan 3. Starter motor
4. “B” terminal harness 5. “B” terminal nut 6. “S” connector
: N·m (kg-m, ft-lb) : Engine front
PKIB8801E
PKIB8802E
PKIB8803E

SC-16
STARTING SYSTEM
Revision: 2007 April2007 M35/M45
VK45DE ENGINE MODELS
Removal
1. Disconnect the battery cable from the negative terminal.
2. Remove engine front and rear undercover, using power tools.
3. Remove left engine mounting insulator and left engine mounting
bracket. Refer to EM-247, "
ENGINE ASSEMBLY" .
4. Remove “B” terminal nut (1).
5. Disconnect “S” connector (2).
6. Remove the bolt (A) and the harness bracket (3).
7. Remove starter motor mounting bolts (B), using power tools.
8. Remove starter motor forward from the vehicle.
Installation
Installation is the reverse order of removal.
CAUTION:
Be sure to tighten “B” terminal nut carefully.
1. Starter motor 2. Starter motor mounting bolt 3. “S” connector
4. “B” terminal harness 5. “B” terminal nut 6. Cylinder block
: N·m (kg-m, ft-lb) : Engine front
PKIB8797E
PKIB8798E

SE-1
SEAT
I BODY
CONTENTS
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SEAT
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 3
Service Notice .......................................................... 3
Precautions for Work ................................................ 3
PREPARATION ........................................................... 4
Special Service Tools ............................................... 4
Commercial Service Tools ........................................ 4
SQUEAK AND RATTLE TROUBLE DIAGNOSES ..... 5
Work Flow ................................................................ 5
CUSTOMER INTERVIEW ..................................... 5
DUPLICATE THE NOISE AND TEST DRIVE ....... 6
CHECK RELATED SERVICE BULLETINS ........... 6
LOCATE THE NOISE AND IDENTIFY THE
ROOT CAUSE ...................................................... 6
REPAIR THE CAUSE ........................................... 6
CONFIRM THE REPAIR ....................................... 7
Generic Squeak and Rattle Troubleshooting ........... 7
INSTRUMENT PANEL .......................................... 7
CENTER CONSOLE ............................................. 7
DOORS ................................................................. 7
TRUNK .................................................................. 8
SUNROOF/HEADLINING ..................................... 8
SEATS ................................................................... 8
UNDERHOOD ....................................................... 8
Diagnostic Worksheet .............................................. 9
AUTOMATIC DRIVE POSITIONER ...........................11
Component Parts And Harness Connector Location
.... 11
System Description ................................................ 12
MANUAL OPERATION ....................................... 12
MEMORY OPERATION ...................................... 12
EXITING OPERATION ........................................ 14
ENTRY OPERATION .......................................... 14
INTELLIGENT KEY INTERLOCK OPERATION ... 15
FAIL-SAFE MODE .............................................. 15
INITIALIZATION PROCEDURE .......................... 16
SETTING CHANGE FUNCTION ......................... 16
CAN Communication System Description .............. 16CAN Communication Unit ....................................... 16
Schematic ............................................................... 17
Wiring Diagram — AUT/DP — ............................... 19
Terminals and Reference Values for BCM .............. 31
Terminals and Reference Value for Intelligent Key
Unit ......................................................................... 31
Terminals and Reference Values for Driver Seat
Control Unit ............................................................. 32
Terminals and Reference Values for Automatic
Drive Positioner Control Unit .................................. 34
CONSULT-II Function (AUTO DRIVE POS.) .......... 37
CONSULT-II START PROCEDURE .................... 37
SELF-DIAGNOSIS RESULTS ............................. 37
DATA MONITOR ................................................. 38
ACTIVE TEST ..................................................... 39
WORK SUPPORT ............................................... 39
Work Flow ............................................................... 40
Symptom Chart ....................................................... 40
CAN Communication Inspection Using CONSULT-
II (Self-Diagnosis) ................................................... 42
Check BCM Power Supply and Ground Circuit ...... 42
Check Driver Seat Control Unit Power Supply and
Ground Circuit ........................................................ 43
Check Automatic Drive Positioner Control Unit
Power Supply and Ground Circuit .......................... 44
Check Sliding Motor Circuit .................................... 45
Check Reclining Motor Circuit ................................ 46
Check Front Lifting Motor Circuit ............................ 47
Check Rear Lifting Motor Circuit ............................. 49
Check Telescopic Motor Circuit .............................. 50
Check Tilt Motor Circuit .......................................... 51
Check Sliding Sensor Circuit .................................. 53
Check Reclining Sensor Circuit .............................. 55
Check Front Lifting Sensor Circuit .......................... 57
Check Rear Lifting Sensor Circuit .......................... 59
Check Telescopic Sensor Circuit ............................ 61
Check Tilt Sensor Circuit ........................................ 63
Check Door Mirror Sensor LH Circuit ..................... 64
Check Door Mirror Sensor RH Circuit .................... 67
Check Sliding Switch Circuit ................................... 69

SE-2Revision: 2007 April2007 M35/M45 Check Reclining Switch Circuit ............................... 71
Check Lifting Switch (Front) Circuit ........................ 73
Check Lifting Switch (Rear) Circuit ......................... 75
Check Power Seat Switch Ground Circuit .............. 76
Check Telescopic Switch Circuit ............................. 77
Check Tilt Switch Circuit ......................................... 79
Check Seat Memory and Set Switch Circuit ........... 81
Check Seat Memory Indicator Lamp Circuit ........... 82
Check Door Mirror Sensor Power Supply and
Ground Circuit ........................................................ 84
Check A/T Device (Detention Switch) Circuit ......... 86
Check Front Door Switch (Driver Side) Circuit ....... 87
Check UART Communication Line Circuit .............. 88
Check Lumbar Support Circuit ............................... 90
POWER SEAT(PASSENGER SIDE) ......................... 92
Schematic ............................................................... 92
Wiring Diagram — SEAT — .................................... 93
POWER SEAT(REAR) .............................................. 96
Component Parts and Harness Connector Location ... 96
System Description ................................................. 96
REAR POWER SEAT LH AND RH OPERATION ... 96
REAR SEAT RETREAT FUNCTION ................... 97
Schematic ............................................................... 98
Wiring Diagram — R/SEAT — ................................ 99
Terminals and Reference Values for Rear Seat Con-
trol Unit .................................................................103
Work Flow .............................................................104
Trouble Diagnoses Symptom Chart ......................104
Check Rear Power Seat Power Supply Circuit .....104
Check Rear Seat Control Unit Power Supply and
Ground Circuit ......................................................105
Check Rear Seat Sliding Motor Circuit .................106
Check Rear Power Seat Switch Circuit ................107
Check Automatic Return Cancel Switch Circuit ....109
Check Automatic Return Cancel Switch ...............110
Check Rear Door Switch Circuit ............................111
Check Rear Seat Sliding Sensor Circuit ...............112
CLIMATE CONTROLLED SEAT .............................114
Component Parts and Harness Connector Location .114
System Description ...............................................114
Schematic .............................................................118
Wiring Diagram — C/SEAT — ..............................119
Terminal and Reference Value for Climate Con-
trolled Seat Control Unit .......................................124
Work Flow .............................................................125
Trouble Diagnoses Symptom Chart ......................126
Preliminary Check ................................................126
Check Climate Controlled Seat Control Unit Power
Supply Circuit .......................................................127
Check Climate Controlled Seat Control Unit Power
Supply and Ground Circuit ...................................128
Check Climate Controlled Seat Switch Power Sup-ply Circuit ..............................................................131
Check Climate Controlled Seat Switch Circuit ......132
Check Climate Controlled Seat Switch Indicator Cir-
cuit ........................................................................134
Check Seat Cushion Thermal Electric Device Cir-
cuit ........................................................................136
Check Seatback Thermal Electric Device Circuit ..137
Check Seat Cushion Thermal Electric Device Sen-
sor Circuit ..............................................................138
Check Seatback Thermal Electric Device Sensor
Circuit ....................................................................140
Check Climate Controlled Seat Blower Motor Circuit .141
Check Climate Controlled Seat Control Unit .........143
HEATED SEAT ........................................................144
Component Parts and Harness Connector Location .144
System Description ...............................................144
Schematic .............................................................146
Wiring Diagram — HSEAT — ...............................147
Terminals and Reference Values for Rear Seat Con-
trol Unit ..................................................................152
Work Flow .............................................................152
Trouble Diagnoses Symptom Chart ......................152
Check Rear Heated Seat Power Supply and Ground
Circuit ....................................................................153
Check Rear Seat Control Unit Power Supply and
Ground Circuit .......................................................154
Check Rear Heated Seat Switch Circuit ...............156
Check Rear Heated Seat Indicator Power Supply
Circuit ....................................................................158
Check Rear Heated Seat Indicator Circuit ............159
Check Rear Heated Seat Circuit ...........................161
Check Rear Seatback Heater Circuit ....................162
FRONT SEAT ..........................................................164
Driver's Seat Components ....................................164
Passenger's Seat Components .............................166
Removal and Installation .......................................168
REMOVAL ..........................................................168
INSTALLATION ..................................................168
Disassembly and Assembly ..................................169
SEATBACK ........................................................169
SEAT CUSHION ................................................170
CLIMATE CONTROLLED SEAT ........................172
REAR SEAT .............................................................173
Bench Seat Components ......................................173
Power Seat (Split Type) Components ...................175
Removal and Installation .......................................177
BENCH SEAT ....................................................177
POWER SEAT ...................................................177
Disassembly and Assembly ..................................178
BENCH SEAT ....................................................178
POWER SEAT ...................................................180

AUTOMATIC DRIVE POSITIONER
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Revision: 2007 April2007 M35/M45
AUTOMATIC DRIVE POSITIONERPFP:28491
Component Parts And Harness Connector LocationNIS0025Q
PIIB6292E
1. Fuse block (J/B) 2. Fuse and fusible link box 3. BCM M1, M2, M3
(View with the glove box assembly
removed)
4. A. Automatic drive positioner control
unit M6, M7
B. Telescopic motor M45
C. Telescopic sensor M44
D. Tilt sensor M37
E. Tilt motor M36
(View with the driver lower panel
removed)5. A. Front lifting motor B209
B. Rear lifting motor B210
C. Driver seat control unit
B204,B205
D. Sliding motor B2076. Seat memory switch D9
7. A. Lumbar support switch B212
B. Reclining switch B213
C. Sliding/Lifting switch B2138. A. ADP steering switch M46
B. Key slot M14
C. Door mirror control switch M959. Reclining motor B208

SE-32
AUTOMATIC DRIVE POSITIONER
Revision: 2007 April2007 M35/M45
Terminals and Reference Values for Driver Seat Control UnitNIS0025Y
Te r m i -
nalWire
colorItemSignal
Input/OutputConditionVoltage (V)
(Approx)
1 P/L UART LINE (RX) Input Tilt switch operated
3 BR/W CAN-H Input/Output — —
9W/RReclining
sensor signalInputON (seat reclining motor operation)
Other than above 0 or 5
10 W/GRear lifting
sensor signalInputON (rear lifting motor operation)
Other than above 0 or 5
11 R / WSliding switch
backward signalInputON (seat sliding switch backward
operation)0
Other than above Battery voltage
12 G/WReclining switch
backward signalInputON (seat reclining switch backward
operation)0
Other than above Battery voltage
13 Y/WFront lifting switch
DOWN signalInputON
(front lifting switch DOWN operation)0
Other than above Battery voltage
14 L/WRear lifting switch
DOWN signalInputON
(rear lifting switch DOWN operation)0
Other than above Battery voltage
17 P/B UART LINE (TX) Output Tilt switch operated
19 G/O CAN-L Input/Output — —
21 G/RDetention
switch signalInputA/T selector lever is in P position. 0
A/T selector lever is in other than
P position.Battery voltage
SKIA0175E
PIIB2807E
PIIB2809E
SKIA0175E

AUTOMATIC DRIVE POSITIONER
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24 WSeat sliding
sensor signalInputON (seat sliding motor operation)
Other than above 0 or 5
25 W/YFront lifting
sensor signalInputON (front lifting motor operation)
Other than above 0 or 5
26 R/BSeat sliding switch
forward signalInputON
(seat sliding switch forward operation)0
Other than above Battery voltage
27 G/BSeat reclining switch
forward signalInputON (seat reclining switch forward
operation)0
Other than above Battery voltage
28 Y/BFront lifting switch
UP signalInputON (front lifting switch UP operation) 0
Other than above Battery voltage
29 L/BRear lifting switch
UP signalInputON (rear lifting switch UP operation) 0
Other than above Battery voltage
31 B/W Sensor ground — — 0
32 W/B Ground (signal) — — 0
33 W Power source (C/B) Input — Battery voltage
35 R/WSliding motor
forward signalOutputSliding switch forward operation
(Motor operated)Battery voltage
Other than above 0
36 G/WReclining motor
forward signalOutputReclining switch forward operation
(Motor operated)Battery voltage
Other than above 0
37 Y/WFront lifting motor
DOWN signalOutputFront lifting switch down operation
(Motor operated)Battery voltage
Other than above 0
38 L/BRear lifting motor
UP signalOutputRear lifting switch up operation
(Motor operated)Battery voltage
Other than above 0
39 L/WRear lifting motor
DOWN signalOutputRear lifting switch down operation
(Motor operated)Battery voltage
Other than above 0
40 R/B Power source (Fuse) Input — Battery voltage
42 R/BSliding motor
backward signalOutputSliding switch backward operation
(Motor operated)Battery voltage
Other than above 0 Te r m i -
nalWire
colorItemSignal
Input/OutputConditionVoltage (V)
(Approx)
SIIA0690J
SIIA0691J

SE-34
AUTOMATIC DRIVE POSITIONER
Revision: 2007 April2007 M35/M45
Terminals and Reference Values for Automatic Drive Positioner Control UnitNIS0025Z
44 G/BReclining motor
backward signalOutputReclining switch backward operation
(Motor operated)Battery voltage
Other than above 0
45 Y/BFront lifting motor
UP signalOutputFront lifting switch upward operation
(Motor operated)Battery voltage
Other than above 0
48 B Ground (power) — — 0 Te r m i -
nalWire
colorItemSignal
Input/OutputConditionVoltage (V)
(Approx)
Termi-
nal Wire
colorItemSignal
Input/OutputConditionVoltage (V)
(Approx)
1 Y Tilt switch UP signal InputTilt switch is UP operation 0
Other than above 5
5L/RMirror sensor (RH vertical)
signalInputWhen mirror motor RH is UP or
DOWN operationChanges between 4.2 (close to
perk) 0.5 (close to valley)
6LGMirror sensor (LH vertical)
signalInputWhen mirror motor LH is UP or
DOWN operationChanges between 4.2 (close to
perk) 0.5 (close to valley)
7 L Tilt sensor signal InputTilt position: Top 1
Tilt position: Bottom 3.8
9 LG Memory switch 1 signal InputMemory switch 1 ON 0
Other than above 5
10 O UART LINE (TX) Output Tilt switch operated
11 RTelescopic switch forward
signalInputWhen telescopic switch is
forward operation0
Other than above 5
12 R/GMemory switch indictor 1
signalInputWhen illuminate indictor 1 1
Other than above Battery voltage
13 PMemory switch indictor 2
signalInputWhen illuminate indictor 2 1
Other than above Battery voltage
14 L Mirror motor RH UP signal OutputWhen mirror motor RH UP oper-
ationBattery voltage
Other than above 0
15 GMirror motor RH LEFT
signalOutputWhen mirror motor RH LEFT
operationBattery voltage
Other than above 0
16 W/LMirror motor LH DOWN
signal
OutputWhen mirror motor LH DOWN
operationBattery voltage
Other than above 0
Mirror motor LH RIGHT
signalWhen mirror motor LH RIGHT
operationBattery voltage
Other than above 0
SKIA0175E

AUTOMATIC DRIVE POSITIONER
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17 LG Tilt switch DOWN signal InputWhen tilt switch is DOWN
position0
Other than above 5
21 SBMirror sensor
(RH horizontal) signalInputWhen mirror motor RH is LEFT
or RIGHT operationChanges between 3.5 (close to
left edge) 0.5 (close to right
edge)
22 O/LMirror sensor
(LH horizontal) signalInputWhen mirror motor LH is LEFT or
RIGHT operationChanges between 0.5 (close to
left edge) 3.5 (close to right
edge)
23 GR Telescopic sensor input InputTelescopic position: Top 4.6
Telescopic position: Bottom 0.4
24 BR/W Set switch signal InputSet switch ON 0
Other than above 5
25 LG/B Memory switch 2 signal InputMemory switch 2 ON 0
Other than above 5
26 P UART LINE (RX) Input Tilt switch is operated
27 WTelescopic switch
backward signalInputTelescopic switch turned to
backward0
Other than above 5
30 GRMirror motor RH DOWN
signal
OutputWhen mirror motor RH DOWN
operationBattery voltage
Other than above 0
Mirror motor RH RIGTH
signalWhen mirror motor RH RIGHT
operationBattery voltage
Other than above 0
31 BR Mirror motor LH UP signal OutputWhen mirror motor LH UP
operationBattery voltage
Other than above 0
32 VMirror motor LH LEFT
signalOutputWhen mirror motor LH LEFT
operationBattery voltage
Other than above 0
33 W Sensor power supply Input — 5
34 R Power source (Fuse) Input — Battery voltage
35 LG Tilt motor UP signal OutputTilt switch is UP operation Battery voltage
Other than above 0
36 PTelescopic motor forward
signalOutputTelescopic switch is forward
operationBattery voltage
Other than above 0
39 L Power source (C/B) Input — Battery voltage
40 B Ground — — 0
41 Y Sensor ground — — 0 Te r m i -
nal Wire
colorItemSignal
Input/OutputConditionVoltage (V)
(Approx)
SKIA0175E