2008 INFINITI FX35 service

ELECTRICAL COMPONENT INSPECTIONACS-63
< SERVICE INFORMATION > [ICC]
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ELECTRICAL COMPONENT INSPECTION
ICC Steering SwitchINFOID:0000000001328857
1. Disconnect ICC steering switch.
2. Check resistance between ICC steering switch connector termi- nals by pressing each switch.
Booster SolenoidINFOID:0000000001328858
Disconnect booster solenoid/release switch connector, and measure
resistance between terminals 4 and 6.
Release SwitchINFOID:0000000001328859
Disconnect booster solenoid/release switch connector and check
resistance between the terminals.
NOTE:
If pedal is depressed insufficiently, resistance value may remain unchanged. Terminals Switch Condition Resistance [k
Ω]
14 15 MAIN
Pressed Approx. 0
Released Approx. 5.5
CANCEL Pressed Approx. 0.3
Released Approx. 5.5
DISTANCE Pressed Approx. 0.7
Released Approx. 5.5
SET/COAST Pressed Approx. 1.4
Released Approx. 5.5
RESUME/ACCELERATE Pressed Approx. 2.6
Released Approx. 5.5
PKIB4169E
Terminals Resistance [
Ω]
4 6 Approx. 1.4
PKIC5181E
Condition 1 - 3 1 - 2 2 - 3
Release
the brake pedal. Continuity should
exist. Continuity should
not exist. Continuity should
not exist.
Depress
the brake pedal. Continuity should
not exist. (Note) Continuity should
exist. (Note) Continuity should
not exist.
SKIA1256E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

ACS-64
< SERVICE INFORMATION >[ICC]
ELECTRICAL COMPONENT INSPECTION
ICC Brake Switch and Stop Lamp Switch
INFOID:0000000001328860
Check each switch after adjusting brake pedal, refer to BR-5.
ICC Brake Hold RelayINFOID:0000000001328861
Disconnect ICC brake hold relay, and check continuity between ter-
minals.
ConditionContinuity
ICC brake switch Stop lamp switch
When brake pedal is depressed No Yes
When brake pedal is released Yes No
SKIA5984E
Terminals Condition Continuity
34 Applying battery voltage to be-
tween terminals 1 and 2. No
67 Yes
34 No battery voltage Ye s
67 No
PKIC4924E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

REMOVAL AND INSTALLATIONACS-65
< SERVICE INFORMATION > [ICC]
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REMOVAL AND INSTALLATION
ICC UnitINFOID:0000000001328862
REMOVAL
1. Remove the instrument passenger lower panel. Refer to IP-11, "Removal and Installation".
2. Remove the ECM.
3. Disconnect ICC unit connector.
4. Remove a mounting bolt and a nut from ICC unit.
INSTALLATION
Installation is the reverse order of removal.
ICC SensorINFOID:0000000001328863
REMOVAL
1. Remove the front bumper. Refer to EI-15, "Removal and Installation".
2. Disconnect ICC sensor connector.
3. Remove mounting bolts from ICC sensor.
INSTALLATION
Installation is the reverse order of removal.
SKIA5985E
SKIA5986E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

ACS-66
< SERVICE INFORMATION >[ICC]
REMOVAL AND INSTALLATION
CAUTION:
Adjust the laser beam aiming every time
the ICC sensor is removed or installed.
ICC Steering SwitchINFOID:0000000001328864
Refer to PS-12, "Removal and Installation".
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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AT-1
TRANSMISSION/TRANSAXLE
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CONTENTS
AUTOMATIC TRANSMISSION
SERVICE INFORMATION .. ..........................5
INDEX FOR DTC ............................................ .....5
Alphabetical Index ............................................... ......5
DTC No. Index ..........................................................5
PRECAUTIONS ...................................................7
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
7
Precaution for On Board Diagnosis (OBD) System
of A/T and Engine .....................................................
7
Precaution .................................................................7
Service Notice or Precaution .....................................8
PREPARATION ...................................................9
Special Service Tool ........................................... ......9
Commercial Service Tool ..........................................9
A/T FLUID ...........................................................11
Changing A/T Fluid ............................................. ....11
Checking A/T Fluid ..................................................11
A/T Fluid Cooler Cleaning .......................................13
A/T CONTROL SYSTEM ....................................16
Cross-Sectional View (2WD Models) .................. ....16
Cross-Sectional View (VQ35DE Models for AWD) ....17
Cross-Sectional View (VK45DE Models for AWD) ....18
Shift Mechanism .................................................. ....18
TCM Function ..........................................................29
CAN Communication ...............................................30
Input/Output Signal of TCM .....................................31
Line Pressure Control .............................................31
Shift Control ............................................................33
Lock-up Control .......................................................34
Engine Brake Control ..............................................35
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) ............................40
TROUBLE DIAGNOSIS ....................................41
DTC Inspection Priority Chart ..................................41
Fail-Safe ..................................................................41
How to Perform Trouble Diagnosis for Quick and
Accurate Repair .......................................................
42
A/T Electrical Parts Location ...................................48
Circuit Diagram ........................................................49
Inspections Before Trouble Diagnosis .....................49
Road Test ................................................................53
Vehicle Speed at Which Gear Shifting Occurs ........58
Vehicle Speed at Which Lock-up Occurs/Releas-
es .............................................................................
58
Symptom Chart ........................................................59
TCM Input/Output Signal Reference Value .............83
CONSULT-III Function (TRANSMISSION) ..............84
Diagnosis Procedure without CONSULT-III ............91
DTC U1000 CAN COMMUNICATION LINE .....94
Description ........................................................... ....94
On Board Diagnosis Logic .......................................94
Possible Cause ........................................................94
DTC Confirmation Procedure ..................................94
Wiring Diagram - AT - CAN .....................................95
Diagnosis Procedure ...............................................96
DTC P0615 START SIGNAL CIRCUIT .............97
Description ...............................................................97
CONSULT-III Reference Value in Data Monitor
Mode ........................................................................
97
On Board Diagnosis Logic .......................................97
Possible Cause ........................................................97
DTC Confirmation Procedure ..................................97
Wiring Diagram - AT - STSIG ..................................98
Diagnosis Procedure ...............................................99
DTC P0700 TCM .............................................101
Description .............................................................101
On Board Diagnosis Logic .....................................101
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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AT-4
BRAKE SIGNAL CIRCUIT ..............................165
CONSULT-III Reference Value in Data Monitor
Mode .................................................................... ..
165
Diagnosis Procedure .............................................165
A/T INDICATOR CIRCUIT ...............................166
Description ........................................................... ..166
CONSULT-III Reference Value in Data Monitor
Mode .................................................................... ..
166
Diagnosis Procedure .............................................166
TROUBLE DIAGNOSIS FOR SYMPTOMS .....167
Wiring Diagram - AT - NONDTC .......................... ..167
A/T Check Indicator Lamp Does Not Come On .....170
Engine Cannot Be Started in "P" or "N" Position ...170
In "P" Position, Vehicle Moves When Pushed .......171
In "N" Position, Vehicle Moves ..............................172
Large Shock ("N" to "D" Position) ..........................173
Vehicle Does Not Creep Backward in "R" Position ..175
Vehicle Does Not Creep Forward in "D" Position ..178
Vehicle Cannot Be Started from D1 .......................180
A/T Does Not Shift: D1→ D2 ................................ ..182
A/T Does Not Shift: D2→ D3 ................................ ..184
A/T Does Not Shift: D3→ D4 ................................ ..186
A/T Does Not Shift: D4→ D5 ................................ ..188
A/T Does Not Lock-up ......................................... ..190
A/T Does Not Hold Lock-up Condition ...................192
Lock-up Is Not Released .......................................194
Engine Speed Does Not Return to Idle .................194
Cannot Be Changed to Manual Mode ...................195
A/T Does Not Shift: 5th Gear → 4th Gear ........... ..196
A/T Does Not Shift: 4th Gear → 3rd Gear ........... ..197
A/T Does Not Shift: 3rd Gear → 2nd Gear .......... ..199
A/T Does Not Shift: 2nd Gear → 1st Gear ........... ..201
Vehicle Does Not Decelerate by Engine Brake ... ..202
SHIFT CONTROL SYSTEM ............................205
Control Device Removal and Installation ............. ..205
Control Rod Removal and Installation ...................206
Adjustment of A/T Position ....................................207
Checking of A/T Position .......................................207
A/T SHIFT LOCK SYSTEM .............................208
Description ........................................................... ..208
Shift Lock System Electrical Parts Location ..........208
Wiring Diagram - AT - SHIFT .................................209
Diagnosis Procedure .............................................209
KEY INTERLOCK CABLE ...............................212
Component .......................................................... ..212
Removal and Installation .......................................212
ON-VEHICLE SERVICE ...................................215
Control Valve with TCM and A/T Fluid Tempera-
ture Sensor 2 ....................................................... .
215
Parking Component (2WD Models Only) ..............226
Rear Oil Seal .........................................................233
Revolution Sensor Component (2WD Models
Only) .....................................................................
233
AIR BREATHER HOSE ....................................239
Removal and Installation ...................................... .239
TRANSMISSION ASSEMBLY ..........................241
Removal and Installation (2WD Models) .............. .241
Removal and Installation (AWD Models) ..............243
OVERHAUL ......................................................249
Component .......................................................... .249
Oil Channel ...........................................................261
Location of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings ......................... .
264
DISASSEMBLY .............................................. ..267
Disassembly ......................................................... .267
REPAIR FOR COMPONENT PARTS ..............285
Oil Pump .............................................................. .285
Front Sun Gear, 3rd One-Way Clutch ...................287
Front Carrier, Input Clutch, Rear Internal Gear .....289
Mid Sun Gear, Rear Sun Gear, High and Low Re-
verse Clutch Hub ..................................................
295
High and Low Reverse Clutch ..............................301
Direct Clutch .........................................................303
ASSEMBLY .................................................... ..306
Assembly (1) ........................................................ .306
Adjustment ............................................................320
Assembly (2) .........................................................323
SERVICE DATA AND SPECIFICATIONS
(SDS) ................................................................
330
General Specification ........................................... .330
Vehicle Speed at Which Gear Shifting Occurs .....330
Vehicle Speed at Which Lock-up Occurs/Releas-
es ..........................................................................
331
Stall Speed ............................................................331
Line Pressure ........................................................331
A/T Fluid Temperature Sensor ..............................332
Turbine Revolution Sensor ...................................332
Vehicle Speed Sensor A/T (Revolution Sensor) ...332
Reverse Brake ......................................................332
Total End Play .......................................................332
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INDEX FOR DTCAT-5
< SERVICE INFORMATION >
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SERVICE INFORMATION
INDEX FOR DTC
Alphabetical IndexINFOID:0000000001327120
NOTE:
If “DTC U1000” is displayed with other DTCs, fi rst perform the trouble diagnosis for “DTC U1000 CAN
COMMUNICATION”. Refer to AT- 9 4
.
*1: These numbers are prescribed by SAE J2012.
*2: These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL.
DTC No. IndexINFOID:0000000001327121
NOTE:
If “DTC U1000” is displayed with other DTCs, fi rst perform the trouble diagnosis for “DTC U1000 CAN
COMMUNICATION”. Refer to AT- 9 4
.
Items
(CONSULT-III screen terms) DTC
Reference page
OBD-II Except OBD-II
CONSULT-III GST
(*1) CONSULT-III only “TRANS- MISSION”
A/T 1ST E/BRAKING — P1731 AT- 1 4 1
ATF 1ST GR FNCTN P0731 P0731 AT- 11 4
ATF 2ND GR FNCTN P0732 P0732AT- 11 6
ATF 3RD GR FNCTN P0733 P0733AT- 11 8
ATF 4TH GR FNCTN P0734 P0734AT- 1 2 0
ATF 5TH GR FNCTN P0735 P0735AT- 1 2 2
A/T INTERLOCK P1730 P1730AT- 1 3 9
A/T TCC S/V FNCTN
P0744(*2)P0744AT- 1 2 6
ATF TEMP SEN/CIRC P0710 P1710 AT- 1 3 2
CAN COMM CIRCUIT U1000 U1000 AT- 9 4
D/C SOLENOID/CIRC P1762 P1762AT- 1 4 7
ENGINE SPEED SIG P0725 P0725 AT- 11 2
FR/B SOLENOID/CIRC P1757 P1757AT- 1 4 5
HLR/C SOL/CIRC P1767 P1767AT- 1 4 9
I/C SOLENOID/CIRC P1752 P1752AT- 1 4 3
L/PRESS SOL/CIRC P0745 P0745AT- 1 2 8
LC/B SOLENOID/CIRC P1772 P1772AT- 1 5 1
LC/B SOLENOID FNCT
P1774(*2)P1774AT- 1 5 3
MANU MODE SW/CIRC — P1815 AT- 1 5 5
PNP SW/CIRC P0705 P0705AT- 1 0 2
STARTER RELAY/CIRC — P0615 AT- 9 7
TCC SOLENOID/CIRC P0740 P0740AT- 1 2 4
TCM P0700 P0700AT- 1 0 1
TP SEN/CIRC A/T P1705 P1705AT- 1 3 0
TURBINE REV S/CIRC P0717 P0717AT- 1 0 6
VEH SPD SE/CIR-MTR — P1721AT- 1 3 7
VEH SPD SEN/CIR AT P0720 P0720AT- 1 0 8
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
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AT-6
< SERVICE INFORMATION >
INDEX FOR DTC
*1: These numbers are prescribed by SAE J2012.
*2: These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL.DTC
Items
(CONSULT-III screen terms) Reference page
OBD-II Except OBD-II
CONSULT-III GST
(*1)
C O N S U LT- I I I
only “TRANSMIS- SION”
— P0615 STARTER RELAY/CIRC AT- 9 7
P0700 P0700 TCM AT- 1 0 1
P0705 P0705 PNP SW/CIRCAT- 1 0 2
P0710 P1710 ATF TEMP SEN/CIRCAT- 1 3 2
P0717 P0717 TURBINE REV S/CIRCAT- 1 0 6
P0720 P0720 VEH SPD SEN/CIR ATAT- 1 0 8
P0725 P0725 ENGINE SPEED SIG AT- 11 2
P0731 P0731 A/T 1ST GR FNCTNAT- 11 4
P0732 P0732 A/T 2ND GR FNCTNAT- 11 6
P0733 P0733 A/T 3RD GR FNCTNAT- 11 8
P0734 P0734 A/T 4TH GR FNCTNAT- 1 2 0
P0735 P0735 A/T 5TH GR FNCTNAT- 1 2 2
P0740 P0740 TCC SOLENOID/CIRCAT- 1 2 4
P0744(*2)P0744 A/T TCC S/V FNCTNAT- 1 2 6
P0745 P0745 L/PRESS SOL/CIRC AT- 1 2 8
P1705 P1705 TP SEN/CIRC A/TAT- 1 3 0
— P1721 VEH SPD SE/CIR-MTRAT- 1 3 7
P1730 P1730 A/T INTERLOCK AT- 1 3 9
— P1731 A/T 1ST E/BRAKINGAT- 1 4 1
P1752 P1752 I/C SOLENOID/CIRC AT- 1 4 3
P1757 P1757 FR/B SOLENOID/CIRCAT- 1 4 5
P1762 P1762 D/C SOLENOID/CIRCAT- 1 4 7
P1767 P1767 HLR/C SOL/CIRCAT- 1 4 9
P1772 P1772 LC/B SOLENOID/CIRCAT- 1 5 1
P1774(*2)P1774 LC/B SOLENOID FNCTAT- 1 5 3
— P1815 MANU MODE SW/CIRC AT- 1 5 5
U1000 U1000 CAN COMM CIRCUIT AT- 9 4
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