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AUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
A
AUTOMATIC TRANSMISSION
SECTION AT B
AT
D
E
CONTENTS
INDEX FOR DTC ....................................................... 5 . Accurate Repair ..................................................... 44
. F
Alphabetical Index ................................................... 5
. A/T Electrical Parts Location ................................. 49 .
DTC No. Index ........................................................ 6
. Circuit Diagram ...................................................... 50
.
PRECAUTIONS ......................................................... 7 . Inspections Before Trouble Diagnosis ................... 51 . G
Precautions for Supplemental Restraint System Check Before Engine Is Started ............................ 55 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Check at Idle .......................................................... 55
.
SIONER" ................................................................. 7
. Cruise Test - Part 1 ................................................ 56
.
H
Precautions for On Board Diagnostic (OBD) System Cruise Test - Part 2 ................................................ 58
.
of A/T and Engine ................................................... 7. Cruise Test - Part 3 ................................................ 59
.
Precautions ............................................................. 8
. Vehicle Speed at Which Gear Shifting Occurs ...... 60 .
Service Notice or Precautions ................................. 9 . Vehicle Speed at Which Lock-up Occurs/Releases 60 ... I
PREPARATION ........................................................ 10 . Symptom Chart ...................................................... 61
.
Special Service Tools ............................................ 10 . TCM Input/Output Signal Reference Values .......... 86 .
Commercial Service Tools ......................................11 . CONSULT-II Function (A/T) ................................... 87 . J
A/T FLUID ................................................................ 12
. Diagnostic Procedure Without CONSULT-II .......... 99 .
Changing A/T Fluid ............................................... 12 . DTC U1000 CAN COMMUNICATION LINE ........... 101 .
Checking A/T Fluid ................................................ 12 . Description ........................................................... 101
.
K
A/T Fluid Cooler Cleaning ..................................... 14 . On Board Diagnosis Logic ................................... 101 .
A/T CONTROL SYSTEM ......................................... 17 . Possible Cause .................................................... 101
.
Cross-sectional View (2WD Models) ..................... 17 . DTC Confirmation Procedure .............................. 101 .
Cross-sectional View (AWD Models) .................... 18 . Wiring Diagram -- AT -- CAN ............................. 102 . L
Shift Mechanism .................................................... 19. Diagnostic Procedure .......................................... 103 .
TCM Function ........................................................ 30
. DTC P0615 START SIGNAL CIRCUIT .................. 104 .
CAN Communication ............................................. 31 . Description ........................................................... 104
. M
Input/Output Signal of TCM ................................... 31 . CONSULT-II Reference Value ............................. 104 .
Line Pressure Control ........................................... 32 . On Board Diagnosis Logic ................................... 104 .
Shift Control .......................................................... 33
. Possible Cause .................................................... 104
.
Lock-up Control ..................................................... 35
. DTC Confirmation Procedure .............................. 104 .
Engine Brake Control ............................................ 36 . Wiring Diagram -- AT -- STSIG ......................... 105 .
Control Valve ......................................................... 37
. Diagnostic Procedure .......................................... 106 .
ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 38 . DTC P0700 TCM .................................................... 108 .
Introduction ........................................................... 38
. Description ........................................................... 108
.
OBD-II Function for A/T System ............................ 38 . On Board Diagnosis Logic ................................... 108 .
One or Two Trip Detection Logic of OBD-II ........... 38 . Possible Cause .................................................... 108
.
OBD-II Diagnostic Trouble Code (DTC) ................ 38 . DTC Confirmation Procedure .............................. 108 .
Malfunction Indicator Lamp (MIL) .......................... 41 . Diagnostic Procedure .......................................... 108 .
TROUBLE DIAGNOSIS ........................................... 42 . DTC P0705 PARK/NEUTRAL POSITION SWITCH. 109
DTC Inspection Priority Chart ............................... 42 . Description ........................................................... 109
.
Fail-safe ................................................................ 42
. CONSULT-II Reference Value ............................. 109 .
How To Perform Trouble Diagnosis for Quick and On Board Diagnosis Logic ................................... 109 .
Revision: 2006 August AT-1 2006 G35 Sedan
Possible Cause .................................................... 109. CONSULT-II Reference Value .............................. 131 .
DTC Confirmation Procedure .............................. 109 . On Board Diagnosis Logic ................................... 131 .
Wiring Diagram -- AT -- PNP/SW ...................... 110 . Possible Cause .................................................... 131
.
Diagnostic Procedure ...........................................111 . DTC Confirmation Procedure ............................... 131 .
DTC P0717 TURBINE REVOLUTION SENSOR ... 113 . Wiring Diagram -- AT -- FTS .............................. 132 .
Description ........................................................... 113
. Diagnostic Procedure ........................................... 133 .
CONSULT-II Reference Value ............................. 113 . Component Inspection ......................................... 135 .
On Board Diagnosis Logic ................................... 113 . DTC P1721 VEHICLE SPEED SENSOR MTR ...... 136 .
Possible Cause .................................................... 113. Description ........................................................... 136
.
DTC Confirmation Procedure .............................. 113 . CONSULT-II Reference Value .............................. 136 .
Diagnostic Procedure .......................................... 114 . On Board Diagnosis Logic ................................... 136 .
DTC P0720 VEHICLE SPEED SENSOR A/T (REV- Possible Cause .................................................... 136
.
OLUTION SENSOR) .............................................. 115 . DTC Confirmation Procedure ............................... 136 .
Description ........................................................... 115
. Diagnostic Procedure ........................................... 137 .
CONSULT-II Reference Value ............................. 115 . DTC P1730 A/T INTERLOCK ................................ 138 .
On Board Diagnosis Logic ................................... 115 . Description ........................................................... 138
.
Possible Cause .................................................... 115. On Board Diagnosis Logic ................................... 138 .
DTC Confirmation Procedure .............................. 115 . Possible Cause .................................................... 138
.
Wiring Diagram -- AT -- VSSA/T ........................ 117 . DTC Confirmation Procedure ............................... 138 .
Diagnostic Procedure .......................................... 118 . Judgement of A/T Interlock .................................. 139 .
DTC P0725 ENGINE SPEED SIGNAL .................. 120 . Diagnostic Procedure ........................................... 139 .
Description ........................................................... 120
. DTC P1731 A/T 1ST ENGINE BRAKING .............. 141 .
CONSULT-II Reference Value ............................. 120 . Description ........................................................... 141
.
On Board Diagnosis Logic ................................... 120 . CONSULT-II Reference Value .............................. 141 .
Possible Cause .................................................... 120. On Board Diagnosis Logic ................................... 141 .
DTC Confirmation Procedure .............................. 120 . Possible Cause .................................................... 141
.
Diagnostic Procedure .......................................... 121 . DTC Confirmation Procedure ............................... 141 .
DTC P0740 TORQUE CONVERTER CLUTCH Diagnostic Procedure ........................................... 142 .
SOLENOID VALVE ................................................ 122 . DTC P1752 INPUT CLUTCH SOLENOID VALVE . 143
Description ........................................................... 122
. Description ........................................................... 143
.
CONSULT-II Reference Value ............................. 122 . CONSULT-II Reference Value .............................. 143 .
On Board Diagnosis Logic ................................... 122 . On Board Diagnosis Logic ................................... 143 .
Possible Cause .................................................... 122. Possible Cause .................................................... 143
.
DTC Confirmation Procedure .............................. 122 . DTC Confirmation Procedure ............................... 143 .
Diagnostic Procedure .......................................... 123 . Diagnostic Procedure ........................................... 144 .
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP). 124 DTC P1754 INPUT CLUTCH SOLENOID VALVE
Description ........................................................... 124
. FUNCTION ............................................................. 145
.
CONSULT-II Reference Value ............................. 124 . Description ........................................................... 145
.
On Board Diagnosis Logic ................................... 124 . CONSULT-II Reference Value .............................. 145 .
Possible Cause .................................................... 124. On Board Diagnosis Logic ................................... 145 .
DTC Confirmation Procedure .............................. 124 . Possible Cause .................................................... 145
.
Diagnostic Procedure .......................................... 125 . DTC Confirmation Procedure ............................... 145 .
DTC P0745 LINE PRESSURE SOLENOID VALVE. 126 Diagnostic Procedure ........................................... 146 .
Description ........................................................... 126
. DTC P1757 FRONT BRAKE SOLENOID VALVE .. 147 .
CONSULT-II Reference Value ............................. 126 . Description ........................................................... 147
.
On Board Diagnosis Logic ................................... 126 . CONSULT-II Reference Value .............................. 147 .
Possible Cause .................................................... 126. On Board Diagnosis Logic ................................... 147 .
DTC Confirmation Procedure .............................. 126 . Possible Cause .................................................... 147
.
Diagnostic Procedure .......................................... 127 . DTC Confirmation Procedure ............................... 147 .
DTC P1705 THROTTLE POSITION SENSOR ...... 128 . Diagnostic Procedure ........................................... 148 .
Description ........................................................... 128
. DTC P1759 FRONT BRAKE SOLENOID VALVE
CONSULT-II Reference Value ............................. 128 . FUNCTION ............................................................. 149
.
On Board Diagnosis Logic ................................... 128 . Description ........................................................... 149
.
Possible Cause .................................................... 128. CONSULT-II Reference Value .............................. 149 .
DTC Confirmation Procedure .............................. 128 . On Board Diagnosis Logic ................................... 149 .
Diagnostic Procedure .......................................... 129 . Possible Cause .................................................... 149
.
DTC P1710 A/T FLUID TEMPERATURE SENSOR DTC Confirmation Procedure ............................... 149 .
CIRCUIT ................................................................. 131
. Diagnostic Procedure ........................................... 150 .
Description ........................................................... 131
. DTC P1762 DIRECT CLUTCH SOLENOID VALVE.151
Revision: 2006 August AT-2 2006 G35 Sedan
Description .......................................................... 151
. Possible Cause .................................................... 167
.
CONSULT-II Reference Value ............................. 151 . DTC Confirmation Procedure .............................. 167 . A
On Board Diagnosis Logic .................................. 151 . Diagnostic Procedure .......................................... 168 .
Possible Cause ................................................... 151 . DTC P1843 ATF PRESSURE SWITCH 3 .............. 169 .
DTC Confirmation Procedure .............................. 151 . Description ........................................................... 169
. B
Diagnostic Procedure .......................................... 152 . CONSULT-II Reference Value ............................. 169 .
DTC P1764 DIRECT CLUTCH SOLENOID VALVE On Board Diagnosis Logic ................................... 169 .
FUNCTION ............................................................. 153
. Possible Cause .................................................... 169
.
Description .......................................................... 153
. DTC Confirmation Procedure .............................. 169 . AT
CONSULT-II Reference Value ............................. 153 . Diagnostic Procedure .......................................... 170 .
On Board Diagnosis Logic .................................. 153 . DTC P1845 ATF PRESSURE SWITCH 5 .............. 171 .
Possible Cause ................................................... 153 . Description ........................................................... 171
. D
DTC Confirmation Procedure .............................. 153 . CONSULT-II Reference Value ............................. 171 .
Diagnostic Procedure .......................................... 154 . On Board Diagnosis Logic ................................... 171 .
DTC P1767 HIGH AND LOW REVERSE CLUTCH Possible Cause .................................................... 171
. E
SOLENOID VALVE ................................................ 155 . DTC Confirmation Procedure .............................. 171 .
Description .......................................................... 155
. Diagnostic Procedure .......................................... 172 .
CONSULT-II Reference Value ............................. 155 . DTC P1846 ATF PRESSURE SWITCH 6 .............. 173 .
On Board Diagnosis Logic .................................. 155 . Description ........................................................... 173
. F
Possible Cause ................................................... 155 . CONSULT-II Reference Value ............................. 173 .
DTC Confirmation Procedure .............................. 155 . On Board Diagnosis Logic ................................... 173 .
Diagnostic Procedure .......................................... 156 . Possible Cause .................................................... 173
. G
DTC P1769 HIGH AND LOW REVERSE CLUTCH DTC Confirmation Procedure .............................. 173 .
SOLENOID VALVE FUNCTION ............................ 157 . Diagnostic Procedure .......................................... 174 .
Description .......................................................... 157
. MAIN POWER SUPPLY AND GROUND CIRCUIT. 175 H
CONSULT-II Reference Value ............................. 157 . Wiring Diagram -- AT -- MAIN ........................... 175 .
On Board Diagnosis Logic .................................. 157 . Diagnostic Procedure .......................................... 176 .
Possible Cause ................................................... 157 . CLOSED THROTTLE POSITION AND WIDE OPEN
I
DTC Confirmation Procedure .............................. 157 . THROTTLE POSITION CIRCUIT ........................... 179 .
Diagnostic Procedure .......................................... 158 . CONSULT-II Reference Value ............................. 179 .
DTC P1772 LOW COAST BRAKE SOLENOID Diagnostic Procedure .......................................... 179 .
VALVE .................................................................... 159
. BRAKE SIGNAL CIRCUIT ..................................... 180 . J
Description .......................................................... 159
. CONSULT-II Reference Value ............................. 180 .
CONSULT-II Reference Value ............................. 159 . Diagnostic Procedure .......................................... 180 .
On Board Diagnosis Logic .................................. 159 . A/T INDICATOR CIRCUIT ...................................... 181 . K
Possible Cause ................................................... 159 . Description ........................................................... 181
.
DTC Confirmation Procedure .............................. 159 . CONSULT-II Reference Value ............................. 181 .
Diagnostic Procedure .......................................... 160 . Diagnostic Procedure .......................................... 181 . L
DTC P1774 LOW COAST BRAKE SOLENOID TROUBLE DIAGNOSIS FOR SYMPTOMS ........... 182 .
VALVE FUNCTION ................................................ 161 . Wiring Diagram -- AT -- NONDTC ..................... 182 .
Description .......................................................... 161
. A/T CHECK Indicator Lamp Does Not Come On . 184
CONSULT-II Reference Value ............................. 161 . Engine Cannot Be Started in "P" or "N" Position . 185 M
On Board Diagnosis Logic .................................. 161 . In "P" Position, Vehicle Moves When Pushed ..... 185 .
Possible Cause ................................................... 161 . In "N" Position, Vehicle Moves ............................. 186 .
DTC Confirmation Procedure .............................. 161 . Large Shock ("N" to "D" Position) ........................ 187 .
Diagnostic Procedure .......................................... 162 . Vehicle Does Not Creep Backward in "R" Position 189 .
DTC P1815 MANUAL MODE SWITCH ................. 163 . Vehicle Does Not Creep Forward in "D" Position . 191
Description .......................................................... 163
. Vehicle Cannot Be Started From D1 .................... 193 .
CONSULT-II Reference Value ............................. 163 . A/T Does Not Shift: D1 D2 ............................... 195 .
On Board Diagnosis Logic .................................. 163 . A/T Does Not Shift: D2 D3 ............................... 197 .
Possible Cause ................................................... 163 . A/T Does Not Shift: D3 D4 ............................... 199 .
DTC Confirmation Procedure .............................. 163 . A/T Does Not Shift: D4 D5 ............................... 201 .
Wiring Diagram -- AT -- MMSW ........................ 164 . A/T Does Not Lock-up ......................................... 203 .
Diagnostic Procedure .......................................... 165 . A/T Does Not Hold Lock-up Condition ................. 204 .
Component Inspection ........................................ 166 . Lock-up Is Not Released ..................................... 206 .
DTC P1841 ATF PRESSURE SWITCH 1 .............. 167 . Engine Speed Does Not Return to Idle ............... 206 .
Description .......................................................... 167
. Cannot Be Changed to Manual Mode ................. 208 .
CONSULT-II Reference Value ............................. 167 . A/T Does Not Shift: 5th Gear 4th Gear ........... 208 .
On Board Diagnosis Logic .................................. 167 . A/T Does Not Shift: 4th Gear 3rd Gear ........... 209 .
Revision: 2006 August AT-3 2006 G35 Sedan
A/T Does Not Shift: 3rd Gear 2nd Gear .......... 211 . Oil Channel .......................................................... 276
.
A/T Does Not Shift: 2nd Gear 1st Gear ........... 212 . Locations of Adjusting Shims, Needle Bearings,
Vehicle Does Not Decelerate by Engine Brake ... 213 . Thrust Washers and Snap Rings ......................... 278 .
SHIFT CONTROL SYSTEM ................................... 216 . DISASSEMBLY ...................................................... 280 .
Control Device Removal and Installation ............. 216 . Disassembly ......................................................... 280
.
Control Rod Removal and Installation ................. 219 . REPAIR FOR COMPONENT PARTS ..................... 298 .
Adjustment of A/T Position .................................. 220 . Oil Pump .............................................................. 298
.
Checking of A/T Position ..................................... 221 . Front Sun Gear, 3rd One-way Clutch ................... 301 .
A/T SHIFT LOCK SYSTEM .................................... 222 . Front Carrier, Input Clutch, Rear Internal Gear .... 303 .
Description ........................................................... 222
. Mid Sun Gear, Rear Sun Gear, High and Low
Shift Lock System Electrical Parts Location ........ 222 . Reverse Clutch Hub ............................................. 309 .
Wiring Diagram -- AT -- SHIFT .......................... 223 . High and Low Reverse Clutch ............................. 314 .
A/T Device Inspection Table ................................ 224 . Direct Clutch ........................................................ 316
.
Diagnostic Procedure .......................................... 224 . ASSEMBLY ............................................................ 319
.
KEY INTERLOCK CABLE ..................................... 227 . Assembly (1) ........................................................ 319
.
Components ........................................................ 227
. Adjustment ........................................................... 333
.
Removal and Installation ..................................... 228 . Assembly (2) ........................................................ 336
.
ON-VEHICLE SERVICE ......................................... 230 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 343 .
Control Valve with TCM and A/T Fluid Temperature General Specifications ......................................... 343 .
Sensor 2 .............................................................. 230
. Vehicle Speed at Which Gear Shifting Occurs ..... 343 .
Parking Components (2WD Models Only) ........... 242 . Vehicle Speed at Which Lock-up Occurs/Releases.344
Rear Oil Seal ....................................................... 250
. Stall Speed ........................................................... 344
.
Revolution Sensor (2WD Models Only) ............... 251 . Line Pressure ....................................................... 344
.
AIR BREATHER HOSE .......................................... 257 . A/T Fluid Temperature Sensor ............................. 344 .
Removal and Installation ..................................... 257 . Turbine Revolution Sensor ................................... 344 .
TRANSMISSION ASSEMBLY ............................... 258 . Vehicle Speed Sensor A/T (Revolution Sensor) .. 344 .
Removal and Installation ..................................... 258 . Reverse Brake ..................................................... 345
.
OVERHAUL ............................................................ 264
. Total End Play ...................................................... 345
.
Components ........................................................ 264
.
Revision: 2006 August AT-4 2006 G35 Sedan
INDEX FOR DTC
INDEX FOR DTC PFP:00024
A
Alphabetical Index NCS000KQ
NOTE:
If DTC "U1000 CAN COMM CIRCUIT" is displayed with other DTCs, first perform the trouble diagnosis B
for "DTC U1000 CAN COMMUNICATION LINE". Refer to AT-101 .
DTC
Items AT
OBD-II Except OBD-II Reference page
(CONSULT-II screen terms)
CONSULT-II or GST (*1) CONSULT-II only "A/T"
A/T 1ST E/BRAKING -- P1731 AT-141
D
ATF PRES SW 1/CIRC -- P1841 AT-167
ATF PRES SW 3/CIRC -- P1843 AT-169
ATF PRES SW 5/CIRC -- P1845 AT-171 E
ATF PRES SW 6/CIRC -- P1846 AT-173
A/T INTERLOCK P1730 P1730 AT-138
F
A/T TCC S/V FNCTN P0744 P0744 AT-124
ATF TEMP SEN/CIRC P0710 P1710 AT-131
CAN COMM CIRCUIT U1000 U1000 AT-101 G
D/C SOLENOID/CIRC P1762 P1762 AT-151
D/C SOLENOID FNCTN P1764 P1764 AT-153
ENGINE SPEED SIG P0725 P0725 AT-120
H
FR/B SOLENOID/CIRC P1757 P1757 AT-147
FR/B SOLENOID FNCT P1759 P1759 AT-149
I
HLR/C SOL/CIRC P1767 P1767 AT-155
HLR/C SOL FNCTN P1769 P1769 AT-157
I/C SOLENOID/CIRC P1752 P1752 AT-143 J
I/C SOLENOID FNCTN P1754 P1754 AT-145
L/PRESS SOL/CIRC P0745 P0745 AT-126
K
LC/B SOLENOID/CIRC P1772 P1772 AT-159
LC/B SOLENOID FNCT P1774 P1774 AT-161
MANU MODE SW/CIRC -- P1815 AT-163 L
PNP SW/CIRC P0705 P0705 AT-109
STARTER RELAY/CIRC -- P0615 AT-104
M
TCC SOLENOID/CIRC P0740 P0740 AT-122
TCM P0700 P0700 AT-108
TP SEN/CIRC A/T P1705 P1705 AT-128
TURBINE REV S/CIRC P0717 P0717 AT-113
VEH SPD SE/CIR-MTR -- P1721 AT-136
VEH SPD SEN/CIR AT P0720 P0720 AT-115
*1: These numbers are prescribed by SAE J2012.
Revision: 2006 August AT-5 2006 G35 Sedan
INDEX FOR DTC
DTC No. Index NCS000KR
NOTE:
If DTC "U1000 CAN COMM CIRCUIT" is displayed with other DTCs, first perform the trouble diagnosis
for "DTC U1000 CAN COMMUNICATION LINE". Refer to AT-101 .
DTC
Items
OBD-II Except OBD-II Reference page
(CONSULT-II screen terms)
CONSULT-II or GST (*1) CONSULT-II only "A/T"
-- P0615 STARTER RELAY/CIRC AT-104
P0700 P0700 TCM AT-108
P0705 P0705 PNP SW/CIRC AT-109
P0710 P1710 ATF TEMP SEN/CIRC AT-131
P0717 P0717 TURBINE REV S/CIRC AT-113
P0720 P0720 VEH SPD SEN/CIR AT AT-115
P0725 P0725 ENGINE SPEED SIG AT-120
P0740 P0740 TCC SOLENOID/CIRC AT-122
P0744 P0744 A/T TCC S/V FNCTN AT-124
P0745 P0745 L/PRESS SOL/CIRC AT-126
P1705 P1705 TP SEN/CIRC A/T AT-128
-- P1721 VEH SPD SE/CIR-MTR AT-136
P1730 P1730 A/T INTERLOCK AT-138
-- P1731 A/T 1ST E/BRAKING AT-141
P1752 P1752 I/C SOLENOID/CIRC AT-143
P1754 P1754 I/C SOLENOID FNCTN AT-145
P1757 P1757 FR/B SOLENOID/CIRC AT-147
P1759 P1759 FR/B SOLENOID FNCT AT-149
P1762 P1762 D/C SOLENOID/CIRC AT-151
P1764 P1764 D/C SOLENOID FNCTN AT-153
P1767 P1767 HLR/C SOL/CIRC AT-155
P1769 P1769 HLR/C SOL FNCTN AT-157
P1772 P1772 LC/B SOLENOID/CIRC AT-159
P1774 P1774 LC/B SOLENOID FNCT AT-161
-- P1815 MANU MODE SW/CIRC AT-163
-- P1841 ATF PRES SW 1/CIRC AT-167
-- P1843 ATF PRES SW 3/CIRC AT-169
-- P1845 ATF PRES SW 5/CIRC AT-171
-- P1846 ATF PRES SW 6/CIRC AT-173
U1000 U1000 CAN COMM CIRCUIT AT-101
*1: These numbers are prescribed by SAE J2012.
Revision: 2006 August AT-6 2006 G35 Sedan
PRECAUTIONS
PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" NCS000KS
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front AT
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING: D
q To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer. E
q Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section. F
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
G
Precautions for On Board Diagnostic (OBD) System of A/T and Engine NCS000KT
The ECM has an on board diagnostic system. It will light up the malfunction indicator lamp (MIL) to warn the
driver of a malfunction causing emission deterioration. H
CAUTION:
q Be sure to turn the ignition switch OFF and disconnect the battery cable from the negative termi-
nal before any repair or inspection work. The open/short circuit of related switches, sensors, sole- I
noid valves, etc. will cause the MIL to light up.
q Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector will
cause the MIL to light up due to an open circuit. (Be sure the connector is free from water, grease, J
dirt, bent terminals, etc.)
q Be sure to route and secure the harnesses properly after work. Interference of the harness with a
bracket, etc. may cause the MIL to light up due to a short circuit. K
q Be sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube
may cause the MIL to light up due to a malfunction of the EGR system or fuel injection system, etc.
q Be sure to erase the unnecessary malfunction information (repairs completed) from the TCM and L
ECM before returning the vehicle to the customer.
M
Revision: 2006 August AT-7 2006 G35 Sedan
PRECAUTIONS
Precautions NCS000KU
q Before connecting or disconnecting A/T assembly harness
connector, turn ignition switch OFF and disconnect nega-
tive battery cable. Because battery voltage is applied to
TCM even if ignition switch is turned OFF.
SEF289H
q After performing each TROUBLE DIAGNOSIS, perform
"DTC Confirmation Procedure".
If the repair is completed the DTC should not be displayed
in the "DTC Confirmation Procedure".
SEF217U
q Always use the specified brand of ATF. Refer to MA-10, "Fluids and Lubricants" .
q Use lint-free paper not cloth rags during work.
q After replacing the ATF, dispose of the waste oil using the methods prescribed by law, ordinance, etc.
q Before proceeding with disassembly, thoroughly clean the outside of the transmission. It is important to
prevent the internal parts from becoming contaminated by dirt or other foreign matter.
q Disassembly should be done in a clean work area.
q Use lint-free paper for wiping parts clean. Common shop rags can leave fibers that could interfere with the
operation of the transmission.
q Place disassembled parts in order for easier and proper assembly.
q All parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection or
reassembly.
q Gaskets, seals and O-rings should be replaced any time the transmission is disassembled.
q It is very important to perform functional tests whenever they are indicated.
q The valve body contains precision parts and requires extreme care when parts are removed and serviced.
Place disassembled valve body parts in order for easier and proper assembly. Care will also prevent
springs and small parts from becoming scattered or lost.
q Properly installed valves, sleeves, plugs, etc. will slide along bores in valve body under their own weight.
q Before assembly, apply a coat of recommended ATF to all parts. Apply petroleum jelly to protect O-rings
and seals, or hold bearings and washers in place during assembly. Do not use grease.
q Extreme care should be taken to avoid damage to O-rings, seals and gaskets when assembling.
q After overhaul, refill the transmission with new ATF.
q When the A/T drain plug is removed, only some of the ATF is drained. Old ATF will remain in torque con-
verter and ATF cooling system.
Always follow the procedures under "Changing A/T Fluid" in the AT section when changing A/T fluid. Refer
to AT-12, "Changing A/T Fluid" , AT-12, "Checking A/T Fluid" .
Revision: 2006 August AT-8 2006 G35 Sedan
PRECAUTIONS
Service Notice or Precautions NCS000KV
A/T FLUID COOLER SERVICE A
If ATF contains frictional material (clutches, bands, etc.), or if an A/T is repaired, overhauled, or replaced,
inspect and clean the A/T fluid cooler mounted in the radiator or replace the radiator. Flush cooler lines using
cleaning solvent and compressed air after repair. For A/T fluid cooler cleaning procedure, refer to AT-14, "A/T B
Fluid Cooler Cleaning" . For radiator replacement, refer to CO-13, "RADIATOR" , CO-17, "RADIATOR (ALU-
MINUM TYPE)" .
OBD-II SELF-DIAGNOSIS AT
q A/T self-diagnosis is performed by the TCM in combination with the ECM. The results can be read through
the blinking pattern of the A/T CHECK indicator lamp or the malfunction indicator lamp (MIL). Refer to the
table on AT-89, "SELF-DIAGNOSTIC RESULT MODE" for the indicator used to display each self-diag- D
nostic result.
q The self-diagnostic results indicated by the MIL are automatically stored in both the ECM and TCM mem-
ories. E
Always perform the procedure on AT-39, "HOW TO ERASE DTC" to complete the repair and avoid
unnecessary blinking of the MIL.
For details of OBD-II, refer to EC-47, "ON BOARD DIAGNOSTIC (OBD) SYSTEM" .
F
q Certain systems and components, especially those related to OBD, may use the new style slide-
locking type harness connector. For description and how to disconnect, refer to PG-71, "HAR-
NESS CONNECTOR" .
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H
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Revision: 2006 August AT-9 2006 G35 Sedan
PREPARATION
PREPARATION PFP:00002
Special Service Tools NCS000KX
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.) Description
Tool name
ST2505S001 Measuring line pressure
(J-34301-C)
Oil pressure gauge set
1. ST25051001
( -- )
Oil pressure gauge
2. ST25052000
( -- )
Hose
3. ST25053000
( -- )
Joint pipe
4. ST25054000 SCIA3695J
( -- )
Adapter
5. ST25055000
( -- )
Adapter
KV31103600 Measuring line pressure
(J-45674)
Joint pipe adapter
(With ST25054000)
ZZA1227D
ST33400001 q Installing rear oil seal (2WD models)
(J-26082) q Installing oil pump housing oil seal
Drift
a: 60 mm (2.36 in) dia.
b: 47 mm (1.85 in) dia.
NT086
KV31102400 Installing reverse brake return spring retainer
(J-34285 and J-34285-87)
Clutch spring compressor
a: 320 mm (12.60 in)
b: 174 mm (6.85 in)
NT423
ST25850000 Remove oil pump assembly
(J-25721-A)
Sliding hammer
a: 179 mm (7.05 in)
b: 70 mm (2.76 in)
c: 40 mm (1.57 in)
d: M12X1.75P
NT422
Revision: 2006 August AT-10 2006 G35 Sedan
PREPARATION
Commercial Service Tools NCS000KY
A
Tool name Description
Power tool Loosening bolts and nuts
B
AT
PBIC0190E
Drift Installing manual shaft oil seals D
a: 22 mm (0.87 in) dia.
E
NT083
F
Drift Installing rear oil seal (AWD models)
a: 64 mm (2.52 in) dia.
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SCIA5338E H
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Revision: 2006 August AT-11 2006 G35 Sedan
A/T FLUID
A/T FLUID PFP:KLE40
Changing A/T Fluid NCS000KZ
1. Warm up ATF.
2. ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo