check INFINITI M35 2006 Factory Service Manual

AT-326
REPAIR FOR COMPONENT PARTS
Revision: 2006 January2006 M35/M45
4. Disassemble input clutch assembly.
a. Remove O-ring and seal rings from input clutch assembly.
b. Remove needle bearing from input clutch assembly.
c. Using a flat-bladed screwdriver, remove snap ring from input
clutch drum.
d. Remove drive plates, driven plates and retaining plate from input
clutch drum.
INSPECTION
Front Carrier Snap Ring
Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the snap ring.
Input Clutch Snap Ring
Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the input clutch assembly.
Input Clutch Drum
Check for deformation, fatigue or damage or burns.
CAUTION:
If necessary, replace the input clutch assembly.
Input Clutch Drive Plates
Check facing for burns, cracks or damage.
CAUTION:
If necessary, replace the input clutch assembly.
Input Clutch Retaining Plate and Driven Plates
Check facing for burns, cracks or damage.
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REPAIR FOR COMPONENT PARTS
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Revision: 2006 January2006 M35/M45
CAUTION:
If necessary, replace the input clutch assembly.
Front Carrier
Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the front carrier assembly.
Rear Internal Gear
Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the rear internal gear.
ASSEMBLY
1. Install input clutch.
a. Install drive plates, driven plates and retaining plate in input
clutch drum.
Snap ring (1)
Retaining plate (2)
Drive plate (3)
Driven plate (4)
Drive plate/Driven plate: 7/7
CAUTION:
Take care with order of plates.
b. Using a flat-bladed screwdriver, install snap ring in input clutch
drum.
c. Install needle bearing in input clutch assembly.
CAUTION:
Take care with the direction of needle bearing. Refer to
AT- 2 9 5 , "
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings" .
Apply petroleum jelly to needle bearing.
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AT-332
REPAIR FOR COMPONENT PARTS
Revision: 2006 January2006 M35/M45
INSPECTION
High and Low Reverse Clutch Hub Snap Ring, Rear Sun Gear Snap Ring
Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the snap ring.
1st One-way Clutch
Check frictional surface for wear or damage.
CAUTION:
If necessary, replace the 1st one-way clutch.
Mid Sun Gear
Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the mid sun gear.
Rear Sun Gear
Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the rear sun gear.
High and Low Reverse Clutch Hub
Check for deformation, fatigue or damage.
CAUTION:
If necessary, replace the high and low reverse clutch hub.
ASSEMBLY
1. Install seal rings to mid sun gear.
CAUTION:
Do not reuse seal rings.
Apply petroleum jelly to seal rings.
2. Install 1st one-way clutch to rear sun gear.
CAUTION:
Apply petroleum jelly to 1st one-way clutch.
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AT-334
REPAIR FOR COMPONENT PARTS
Revision: 2006 January2006 M35/M45
8. Check operation of 1st one-way clutch.
a. Hold mid sun gear and turn rear sun gear.
b. Check 1st one-way clutch for correct locking and unlocking
directions.
CAUTION:
If not as shown in the figure, check installation direction of
1st one-way clutch.
9. Install needle bearing and bearing races to high and low reverse clutch hub.
CAUTION:
Apply petroleum jelly to needle bearing and bearing races.
VQ35DE models
VK45DE models
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REPAIR FOR COMPONENT PARTS
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Revision: 2006 January2006 M35/M45
High and Low Reverse ClutchNCS001R8
COMPONENTS
DISASSEMBLY
1. Remove bearing race from high and low reverse clutch drum.
2. Using a flat-bladed screwdriver, remove snap ring from high and
low reverse clutch drum.
3. Remove drive plates, driven plates and retaining plate from high
and low reverse clutch drum.
INSPECTION
Check the following, and replace high and low reverse clutch assembly if necessary.
High and Low Reverse Clutch Snap Ring
Check for deformation, fatigue or damage.
High and Low Reverse Clutch Drive Plates
Check facing for burns, cracks or damage.
1. High and low reverse clutch drum 2. Driven plate 3. Retaining plate
4. Snap ring 5. Drive plate 6. Bearing race
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AT-336
REPAIR FOR COMPONENT PARTS
Revision: 2006 January2006 M35/M45
High and Low Reverse Clutch Retaining Plate and Driven Plates
Check facing for burns, cracks or damage.
ASSEMBLY
1. Install drive plates, driven plates and retaining plate in high and low reverse clutch drum.
CAUTION:
Take care with the order of plates.
VQ35DE models
–Snap ring (1)
–Retaining plate (2)
–Drive plate (3)
–Driven plate (4)
–Drive plate/Driven plate: 4/4
VK45DE models
–Snap ring (1)
–Retaining plate (2)
–Drive plate (3)
–Driven plate (4)
–Drive plate/Driven plate: 5/5
2. Using a flat-bladed screwdriver, install snap ring in high and low
reverse clutch drum.
3. Install bearing race to high and low reverse clutch drum.
CAUTION:
Apply petroleum jelly to bearing race.
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AT-338
REPAIR FOR COMPONENT PARTS
Revision: 2006 January2006 M35/M45
DISASSEMBLY
1. Using a flat-bladed screwdriver, remove snap ring from direct
clutch drum.
2. Remove drive plates, driven plates, dish plate and retaining
plates from direct clutch drum.
INSPECTION
Check the following, and replace direct clutch assembly if necessary.
Direct Clutch Snap Ring
Check for deformation, fatigue or damage.
Direct Clutch Drive Plates and Driven Plates
Check facing for burns, cracks or damage.
Direct Clutch Dish Plate and Retaining Plates
Check facing for burns, cracks or damage.
ASSEMBLY
1. Install drive plates, driven plates, dish plate and retaining plates in direct clutch drum.
CAUTION:
Take care with the order of plates.
VQ35DE models
–Snap ring (1)
–Retaining plate (2)
–Drive plate (3)
–Driven plate (4)
–Dish plate (5)
–Drive plate/Driven plate: 5/4
VK45DE models
–Snap ring (1)
–Retaining plate (2)
–Drive plate (3)
–Driven plate (4)
–Dish plate (5)
–Drive plate/Driven plate: 6/6
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SERVICE DATA AND SPECIFICATIONS (SDS)
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Turbine Revolution SensorNCS001RJ
Vehicle Speed Sensor A/T (Revolution Sensor)NCS001RK
Reverse BrakeNCS001RL
*: Always check with the Parts Department for the latest parts information.
Total End PlayNCS001RM
BEARING RACE FOR ADJUSTING TOTAL END PLAY
*: Always check with the Parts Department for the latest parts information. Name ConditionData
(Approx.)
Turbine revolution
sensor 1When running at 50 km/h (31 MPH) in 4th speed with the closed throttle position signal “OFF”.
1.3 kHz
Turbine revolution
sensor 2When running at 20 km/h (12 MPH) in 1st speed with the closed throttle position signal “OFF”.
Name Condition Data (Approx.)
Revolution sensor When running at 20 km/h (12 MPH). 185 Hz
Model code number 97X06, 97X07, 98X1A, 98X0E, 95X12, 95X7A
Number of drive plates6
Number of driven plates6
Clearance mm (in) Standard 0.7 - 1.1 (0.028 - 0.043)
Thickness of retaining platesThickness mm (in) Part number*
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)
4.8 (0.189)
5.0 (0.197)
5.2 (0.205) 31667 90X14
31667 90X15
31667 90X16
31667 90X17
31667 90X18
31667 90X19
Total end play mm (in) 0.25 - 0.55 (0.0098 - 0.0217)
Thickness mm (in) Part number*
0.8 (0.031)
1.0 (0.039)
1.2 (0.047)
1.4 (0.055)
1.6 (0.063)
1.8 (0.071)31435 95X00
31435 95X01
31435 95X02
31435 95X03
31435 95X04
31435 95X05

ATC-2Revision: 2006 January2006 M35/M45 AUTO SWITCH ................................................... 34
DEFROSTER (DEF) SWITCH ............................. 34
UPPER VENT SWITCH ...................................... 34
A/C SWITCH ....................................................... 35
FAN SWITCHES .................................................. 35
OFF SWITCH ...................................................... 35
REAR WINDOW DEFOGGER SWITCH ............. 35
INTAKE SWITCH ................................................. 35
DUAL SWITCH .................................................... 35
Control Operation (Rear Control Switch) ................ 35
AUTO SWITCH ................................................... 35
FAN SWITCH ...................................................... 35
REAR TEMPERATURE CONTROL SWITCH ..... 35
Fail-Safe Function .................................................. 36
Discharge Air Flow ................................................. 37
System Description ................................................. 38
SWITCHES AND THEIR CONTROL FUNCTION ... 38
CAN Communication System Description .............. 39
TROUBLE DIAGNOSIS ............................................ 40
CONSULT-II Function (ECM) .................................. 40
CONSULT-II BASIC OPERATION ....................... 40
DATA MONITOR .................................................. 40
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ...................................................... 40
WORK FLOW ...................................................... 40
SYMPTOM TABLE .............................................. 41
Component Parts and Harness Connector Location ... 42
ENGINE COMPARTMENT .................................. 42
PASSENGER COMPARTMENT .......................... 43
Schematic ............................................................... 44
Wiring Diagram —A/C— ......................................... 46
Auto Amp. Terminals and Reference Value ............ 53
PIN CONNECTOR TERMINAL LAYOUT ............ 53
TERMINALS AND REFERENCE VALUE FOR
UNIFIED METER AND A/C AMP. ........................ 53
Self-diagnosis Function .......................................... 55
DESCRIPTION .................................................... 55
FUNCTION CONFIRMATION PROCEDURE ...... 56
AUXILIARY MECHANISM: TEMPERATURE
SETTING TRIMMER ........................................... 62
AUXILIARY MECHANISM: FOOT POSITION
SETTING TRIMMER ........................................... 63
AUXILIARY MECHANISM: INLET PORT MEM-
ORY FUNCTION ................................................. 63
Operational Check .................................................. 64
CHECKING MEMORY FUNCTION ..................... 64
CHECKING BLOWER ......................................... 64
CHECKING DISCHARGE AIR (MODE SWITCH
AND DEF SWITCH) ............................................ 64
CHECKING DISCHARGE AIR (UPPER VENT
SWITCH) ............................................................. 65
CHECKING INTAKE AIR ..................................... 65
CHECKING TEMPERATURE DECREASE ......... 65
CHECKING TEMPERATURE INCREASE .......... 65
CHECKING A/C SWITCH ................................... 65
CHECKING AUTO MODE ................................... 65
Power Supply and Ground Circuit for Auto Amp. ... 66
INSPECTION FLOW ........................................... 66
COMPONENT DESCRIPTION ............................ 67DIAGNOSIS PROCEDURE FOR A/C SYSTEM ... 67
Rear Control Switch Circuit ..................................... 69
DIAGNOSIS PROCEDURE FOR REAR CON-
TROL SWITCH .................................................... 69
LAN System Circuit ................................................. 70
DIAGNOSIS PROCEDURE FOR LAN CIRCUIT ... 70
Mode Door Motor Circuit ......................................... 75
INSPECTION FLOW ............................................ 76
SYSTEM DESCRIPTION ..................................... 78
COMPONENT DESCRIPTION ............................ 79
DIAGNOSIS PROCEDURE FOR MODE DOOR
MOTOR ................................................................ 79
Upper Ventilator Door Motor Circuit ........................ 80
INSPECTION FLOW ............................................ 80
SYSTEM DESCRIPTION ..................................... 81
COMPONENT DESCRIPTION ............................ 82
DIAGNOSIS PROCEDURE FOR UPPER VEN-
TILATOR DOOR MOTOR .................................... 82
Air Mix Door Motor Circuit ....................................... 83
INSPECTION FLOW ............................................ 83
SYSTEM DESCRIPTION ..................................... 84
COMPONENT DESCRIPTION ............................ 85
DIAGNOSIS PROCEDURE FOR AIR MIX DOOR
MOTOR ................................................................ 85
Air Mix Door Motor PBR Circuit .............................. 85
DIAGNOSIS PROCEDURE FOR AIR MIX DOOR
MOTOR PBR ....................................................... 85
Intake Door Motor Circuit ........................................ 86
INSPECTION FLOW ............................................ 86
SYSTEM DESCRIPTION ..................................... 87
COMPONENT DESCRIPTION ............................ 88
DIAGNOSIS PROCEDURE FOR INTAKE DOOR
MOTOR ................................................................ 88
Blower Motor Circuit ................................................ 89
INSPECTION FLOW ............................................ 89
SYSTEM DESCRIPTION ..................................... 90
COMPONENT DESCRIPTION ............................ 91
DIAGNOSIS PROCEDURE FOR BLOWER
MOTOR ................................................................ 91
COMPONENT INSPECTION ............................... 93
Magnet Clutch Circuit .............................................. 94
INSPECTION FLOW ............................................ 94
SYSTEM DESCRIPTION ..................................... 95
DIAGNOSIS PROCEDURE FOR MAGNET
CLUTCH .............................................................. 95
COMPONENT INSPECTION ............................... 98
Insufficient Cooling .................................................. 99
INSPECTION FLOW ............................................ 99
PERFORMANCE TEST DIAGNOSIS ................101
PERFORMANCE CHART ..................................103
TROUBLE DIAGNOSIS FOR UNUSUAL PRES-
SURE .................................................................105
DIAGNOSIS PROCEDURE FOR INSUFFI-
CIENT COOLING ...............................................107
Insufficient Heating ...............................................109
INSPECTION FLOW ..........................................109
Noise .....................................................................110
INSPECTION FLOW ..........................................110
Self-Diagnosis ....................................................... 111

ATC-3
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Revision: 2006 January2006 M35/M45 INSPECTION FLOW ......................................... . 111
Memory Function .................................................. 112
INSPECTION FLOW .......................................... 112
Ambient Sensor Circuit ......................................... 113
COMPONENT DESCRIPTION .......................... 113
AMBIENT TEMPERATURE INPUT PROCESS .. 113
DIAGNOSIS PROCEDURE FOR AMBIENT
SENSOR ............................................................ 113
COMPONENT INSPECTION ............................. 115
In-Vehicle Sensor Circuit ....................................... 116
COMPONENT DESCRIPTION .......................... 116
DIAGNOSIS PROCEDURE FOR IN-VEHICLE
SENSOR ............................................................ 117
COMPONENT INSPECTION ............................. 118
Sunload Sensor Circuit ......................................... 119
COMPONENT DESCRIPTION .......................... 119
SUNLOAD INPUT PROCESS ........................... 119
DIAGNOSIS PROCEDURE FOR SUNLOAD
SENSOR ............................................................ 119
COMPONENT INSPECTION ............................121
Intake Sensor Circuit ............................................122
COMPONENT DESCRIPTION .........................122
DIAGNOSIS PROCEDURE FOR INTAKE SEN-
SOR ..................................................................122
COMPONENT INSPECTION ............................123
CONTROLLER .......................................................124
Removal and Installation of Multifunction Switch . 124
REMOVAL ........................................................
.124
INSTALLATION .................................................124
AUTO AMP .............................................................125
Removal and Installation of Unified Meter and A/C
Auto Amp. ............................................................125
REMOVAL ........................................................
.125
INSTALLATION .................................................125
AMBIENT SENSOR ................................................126
Removal and Installation ......................................126
REMOVAL ........................................................
.126
INSTALLATION .................................................126
IN-VEHICLE SENSOR ............................................127
Removal and Installation ......................................127
REMOVAL ........................................................
.127
INSTALLATION .................................................127
SUNLOAD SENSOR ..............................................128
Removal and Installation ......................................128
REMOVAL ........................................................
.128
INSTALLATION .................................................128
INTAKE SENSOR .................................................. .129
Removal and Installation ......................................129
REMOVAL ........................................................
.129
INSTALLATION .................................................129
BLOWER UNIT .......................................................130
Removal and Installation ......................................130
REMOVAL ........................................................
.130
INSTALLATION .................................................130
Disassembly and Assembly .................................131
BLOWER MOTOR ..................................................132
Removal and Installation ......................................132
REMOVAL ........................................................
.132
INSTALLATION .................................................132INTAKE DOOR MOTOR .........................................133
Removal and Installation ......................................133
REMOVAL ........................................................
.133
INSTALLATION .................................................133
IN-CABIN MICROFILTER .......................................134
Removal and Installation ......................................134
FUNCTION .......................................................
.134
REPLACEMENT TIMING ..................................134
REPLACEMENT PROCEDURES .....................134
HEATER & COOLING UNIT ASSEMBLY ...............135
Removal and Installation ......................................135
REMOVAL ........................................................
.135
INSTALLATION .................................................136
Disassembly and Assembly ..................................138
MODE DOOR MOTOR ............................................140
Removal and Installation ......................................140
REMOVAL ........................................................
.140
INSTALLATION .................................................140
AIR MIX DOOR MOTOR .........................................141
Removal and Installation ......................................141
REMOVAL ........................................................
.141
INSTALLATION .................................................141
UPPER VENTILATOR DOOR MOTOR ..................142
Removal and Installation ......................................142
REMOVAL ........................................................
.142
INSTALLATION .................................................142
HEATER CORE .......................................................143
Removal and Installation ......................................143
REMOVAL ........................................................
.143
INSTALLATION .................................................143
DUCTS AND GRILLES ...........................................144
Removal and Installation ......................................144
COMPONENT LAYOUT ....................................144
REMOVAL ........................................................
.146
INSTALLATION .................................................150
REFRIGERANT LINES ...........................................151
HFC-134a (R-134a) Service Procedure ...............151
SETTING OF SERVICE TOOLS AND EQUIP-
MENT ................................................................151
Components ....................................................
.....153
VQ35DE ............................................................153
VK45DE .............................................................154
Removal and Installation of Compressor ..............155
REMOVAL ........................................................
.155
INSTALLATION .................................................157
Check Disc to Pulley Clearance ...........................157
Removal and Installation of Low-Pressure Flexible
Hose and Pipe ......................................................158
REMOVAL ........................................................
.158
INSTALLATION .................................................158
Removal and Installation of High-Pressure Flexible
Hose .....................................................................159
REMOVAL ........................................................
.159
INSTALLATION .................................................160
Removal and Installation of High-Pressure Pipe 1
(Engine Compartment) .........................................160
REMOVAL ........................................................
.160
INSTALLATION .................................................161
Removal and Installation of Low-Pressure Pipe 1