INFINITI FX35 2005 Manual Online

ACS-72
[ICC]
ELECTRICAL COMPONENT INSPECTION
Revision: 2005 July 2005 FX
Release SwitchAKS00700
Disconnect booster solenoid/release switch connector and check
resistance between the terminals.
NOTE:
If pedal is depressed insufficiently, resistance value may remain unchanged. 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

REMOVAL AND INSTALLATION ACS-73
[ICC]
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REMOVAL AND INSTALLATIONPFP:00000
ICC UnitAKS00704
REMOVAL
1. Remove the instrument passenger lower panel. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
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 SensorAKS00705
REMOVAL
1. Remove the front bumper. Refer to EI-14, "FRONT BUMPER" .
2. Disconnect ICC sensor connector.
3. Remove mounting bolts from ICC sensor.
SKIA5985E
SKIA5986E

ACS-74
[ICC]
REMOVAL AND INSTALLATION
Revision: 2005 July 2005 FX
INSTALLATION
Installation is the reverse order of removal.
CAUTION:
Adjust the laser beam aiming every time the ICC sensor is removed or installed.
ICC Steering SwitchAKS00707
Refer to PS-12, "Removal and Installation" .

AT-1
AUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
CONTENTS
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AUTOMATIC TRANSMISSION
INDEX FOR DTC ........................................................ 5
Alphabetical Index ............................................... ..... 5
DTC No. Index .................................................... ..... 6
PRECAUTIONS ..................................................... ..... 7
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 7
Precautions for On Board Diagnostic (OBD) System
of A/T and Engine ............................................... ..... 7
Precautions ......................................................... ..... 8
Service Notice or Precautions ............................. ..... 9
PREPARATION ...................................................... ... 10
Special Service Tools .......................................... ... 10
Commercial Service Tools ................................... .... 11
A/T FLUID .............................................................. ... 12
Changing A/T Fluid ............................................. ... 12
Checking A/T Fluid .............................................. ... 13
A/T Fluid Cooler Cleaning ................................... ... 15
A/T CONTROL SYSTEM ....................................... ... 18
Cross-Sectional View (2WD Models) .................. ... 18
Cross-Sectional View (AWD Models) .................. ... 19
Shift Mechanism .................................................. ... 20
TCM Function ...................................................... ... 31
CAN Communication ........................................... ... 32
Input/Output Signal of TCM ................................. ... 32
Line Pressure Control ......................................... ... 33
Shift Control ........................................................ ... 34
Lock-up Control ................................................... ... 35
Engine Brake Control .......................................... ... 36
Control Valve ....................................................... ... 37
ON BOARD DIAGNOSTIC (OBD) SYSTEM ......... ... 39
Introduction ......................................................... ... 39
OBD-II Function for A/T System .......................... ... 39
One or Two Trip Detection Logic of OBD-II ......... ... 39
OBD-II Diagnostic Trouble Code (DTC) .............. ... 39
Malfunction Indicator Lamp (MIL) ........................ ... 42
TROUBLE DIAGNOSIS ......................................... ... 43
DTC Inspection Priority Chart ............................. ... 43
Fail-safe .............................................................. ... 43
How to Perform Trouble Diagnosis for Quick and Accurate Repair ...................................................
... 45
A/T Electrical Parts Location ............................... ... 50
Circuit Diagram .................................................... ... 51
Inspections Before Trouble Diagnosis ................. ... 52
Check Before Engine Is Started .......................... ... 56
Check at Idle ........................................................ ... 57
Cruise Test - Part 1 .............................................. ... 58
Cruise Test - Part 2 .............................................. ... 60
Cruise Test - Part 3 .............................................. ... 61
Vehicle Speed at Which Gear Shifting Occurs .... ... 62
Vehicle Speed at Which Lock-up Occurs/Releases ... 63
Symptom Chart .................................................... ... 64
TCM Input/Output Signal Reference Values ........ ... 89
CONSULT-II Function (A/T) ................................. ... 90
Diagnostic Procedure without CONSULT-II ......... .103
DTC U1000 CAN COMMUNICATION LINE ........... .106
Description ........................................................... .106
On Board Diagnosis Logic ................................... .106
Possible Cause .................................................... .106
DTC Confirmation Procedure .............................. .106
Wiring Diagram — AT — CAN ............................. .107
Diagnostic Procedure .......................................... .108
DTC P0615 START SIGNAL CIRCUIT .................. .109
Description ........................................................... .109
CONSULT-II Reference Value ............................. .109
On Board Diagnosis Logic ................................... .109
Possible Cause .................................................... .109
DTC Confirmation Procedure .............................. .109
Wiring Diagram — AT — STSIG ......................... .110
Diagnostic Procedure .......................................... ..111
DTC P0700 TCM .................................................... .113
Description ........................................................... .113
On Board Diagnosis Logic ................................... .113
Possible Cause .................................................... .113
DTC Confirmation Procedure .............................. .113
Diagnostic Procedure .......................................... .113
DTC P0705 PARK/NEUTRAL POSITION SWITCH .114
Description ........................................................... .114
CONSULT-II Reference Value ............................. .114
On Board Diagnosis Logic ................................... .114

AT-2Revision: 2005 July 2005 FX
Possible Cause ....................................................
.114
DTC Confirmation Procedure .............................. .114
Wiring Diagram — AT — PNP/SW ...................... .115
Diagnostic Procedure .......................................... .116
DTC P0720 VEHICLE SPEED SENSOR A/T (REV-
OLUTION SENSOR) .............................................. .118
Description ........................................................... .118
CONSULT-II Reference Value ............................. .118
On Board Diagnosis Logic ................................... .118
Possible Cause .................................................... .118
DTC Confirmation Procedure .............................. .118
Wiring Diagram — AT — VSSA/T ........................ .120
Diagnostic Procedure .......................................... .121
DTC P0725 ENGINE SPEED SIGNAL .................. .123
Description ........................................................... .123
CONSULT-II Reference Value ............................. .123
On Board Diagnosis Logic ................................... .123
Possible Cause .................................................... .123
DTC Confirmation Procedure .............................. .123
Diagnostic Procedure .......................................... .124
DTC P0740 TORQUE CONVERTER CLUTCH
SOLENOID VALVE ................................................ .125
Description ........................................................... .125
CONSULT-II Reference Value ............................. .125
On Board Diagnosis Logic ................................... .125
Possible Cause .................................................... .125
DTC Confirmation Procedure .............................. .125
Diagnostic Procedure .......................................... .126
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) .127
Description ........................................................... .127
CONSULT-II Reference Value ............................. .127
On Board Diagnosis Logic ................................... .127
Possible Cause .................................................... .127
DTC Confirmation Procedure .............................. .127
Diagnostic Procedure .......................................... .128
DTC P0745 LINE PRESSURE SOLENOID VALVE .129
Description ........................................................... .129
CONSULT-II Reference Value ............................. .129
On Board Diagnosis Logic ................................... .129
Possible Cause .................................................... .129
DTC Confirmation Procedure .............................. .129
Diagnostic Procedure .......................................... .130
DTC P1702 TRANSMISSION CONTROL MODULE
(RAM) ..................................................................... .131
Description ........................................................... .131
On Board Diagnosis Logic ................................... .131
Possible Cause .................................................... .131
DTC Confirmation Procedure .............................. .131
Diagnostic Procedure .......................................... .131
DTC P1703 TRANSMISSION CONTROL MODULE
(ROM) ..................................................................... .132
Description ........................................................... .132
On Board Diagnosis Logic ................................... .132
Possible Cause .................................................... .132
DTC Confirmation Procedure .............................. .132
Diagnostic Procedure .......................................... .132
DTC P1705 THROTTLE POSITION SENSOR ...... .133
Description ........................................................... .133
CONSULT-II Reference Value ............................. .133 On Board Diagnosis Logic ...................................
.133
Possible Cause .................................................... .133
DTC Confirmation Procedure ............................... .133
Diagnostic Procedure ........................................... .134
DTC P1710 A/T FLUID TEMPERATURE SENSOR
CIRCUIT ................................................................. .136
Description ........................................................... .136
CONSULT-II Reference Value .............................. .136
On Board Diagnosis Logic ................................... .136
Possible Cause .................................................... .136
DTC Confirmation Procedure ............................... .136
Wiring Diagram — AT — FTS .............................. .137
Diagnostic Procedure ........................................... .138
Component Inspection ......................................... .140
DTC P1716 TURBINE REVOLUTION SENSOR ... .141
Description ........................................................... .141
CONSULT-II Reference Value .............................. .141
On Board Diagnosis Logic ................................... .141
Possible Cause .................................................... .141
DTC Confirmation Procedure ............................... .141
Diagnostic Procedure ........................................... .142
DTC P1721 VEHICLE SPEED SENSOR MTR ...... .143
Description ........................................................... .143
CONSULT-II Reference Value .............................. .143
On Board Diagnosis Logic ................................... .143
Possible Cause .................................................... .143
DTC Confirmation Procedure ............................... .143
Diagnostic Procedure ........................................... .144
DTC P1730 A/T INTERLOCK ................................ .145
Description ........................................................... .145
On Board Diagnosis Logic ................................... .145
Possible Cause .................................................... .145
DTC Confirmation Procedure ............................... .145
Judgement of A/T Interlock .................................. .145
Diagnostic Procedure ........................................... .146
DTC P1731 A/T 1ST ENGINE BRAKING .............. .148
Description ........................................................... .148
CONSULT-II Reference Value .............................. .148
On Board Diagnosis Logic ................................... .148
Possible Cause .................................................... .148
DTC Confirmation Procedure ............................... .148
Diagnostic Procedure ........................................... .149
DTC P1752 INPUT CLUTCH SOLENOID VALVE . .150
Description ........................................................... .150
CONSULT-II Reference Value .............................. .150
On Board Diagnosis Logic ................................... .150
Possible Cause .................................................... .150
DTC Confirmation Procedure ............................... .150
Diagnostic Procedure ........................................... .151
DTC P1754 INPUT CLUTCH SOLENOID VALVE
FUNCTION ............................................................. .152
Description ........................................................... .152
CONSULT-II Reference Value .............................. .152
On Board Diagnosis Logic ................................... .152
Possible Cause .................................................... .152
DTC Confirmation Procedure ............................... .152
Diagnostic Procedure ........................................... .153
DTC P1757 FRONT BRAKE SOLENOID VALVE .. .154
Description ........................................................... .154

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CONSULT-II Reference Value .............................
. 154
On Board Diagnosis Logic .................................. . 154
Possible Cause ................................................... . 154
DTC Confirmation Procedure .............................. . 154
Diagnostic Procedure .......................................... . 155
DTC P1759 FRONT BRAKE SOLENOID VALVE
FUNCTION ............................................................. . 156
Description .......................................................... . 156
CONSULT-II Reference Value ............................. . 156
On Board Diagnosis Logic .................................. . 156
Possible Cause ................................................... . 156
DTC Confirmation Procedure .............................. . 156
Diagnostic Procedure .......................................... . 157
DTC P1762 DIRECT CLUTCH SOLENOID VALVE . 158
Description .......................................................... . 158
CONSULT-II Reference Value ............................. . 158
On Board Diagnosis Logic .................................. . 158
Possible Cause ................................................... . 158
DTC Confirmation Procedure .............................. . 158
Diagnostic Procedure .......................................... . 159
DTC P1764 DIRECT CLUTCH SOLENOID VALVE
FUNCTION ............................................................. . 160
Description .......................................................... . 160
CONSULT-II Reference Value ............................. . 160
On Board Diagnosis Logic .................................. . 160
Possible Cause ................................................... . 160
DTC Confirmation Procedure .............................. . 160
Diagnostic Procedure .......................................... . 161
DTC P1767 HIGH AND LOW REVERSE CLUTCH
SOLENOID VALVE ................................................ . 162
Description .......................................................... . 162
CONSULT-II Reference Value ............................. . 162
On Board Diagnosis Logic .................................. . 162
Possible Cause ................................................... . 162
DTC Confirmation Procedure .............................. . 162
Diagnostic Procedure .......................................... . 163
DTC P1769 HIGH AND LOW REVERSE CLUTCH
SOLENOID VALVE FUNCTION ............................ . 164
Description .......................................................... . 164
CONSULT-II Reference Value ............................. . 164
On Board Diagnosis Logic .................................. . 164
Possible Cause ................................................... . 164
DTC Confirmation Procedure .............................. . 164
Diagnostic Procedure .......................................... . 165
DTC P1772 LOW COAST BRAKE SOLENOID
VALVE .................................................................... . 166
Description .......................................................... . 166
CONSULT-II Reference Value ............................. . 166
On Board Diagnosis Logic .................................. . 166
Possible Cause ................................................... . 166
DTC Confirmation Procedure .............................. . 166
Diagnostic Procedure .......................................... . 167
DTC P1774 LOW COAST BRAKE SOLENOID
VALVE FUNCTION ................................................ . 168
Description .......................................................... . 168
CONSULT-II Reference Value ............................. . 168
On Board Diagnosis Logic .................................. . 168
Possible Cause ................................................... . 168 DTC Confirmation Procedure ..............................
.168
Diagnostic Procedure .......................................... .169
DTC P1815 MANUAL MODE SWITCH ................. .170
Description ........................................................... .170
CONSULT-II Reference Value in Data Monitor Mode .170
On Board Diagnosis Logic ................................... .170
Possible Cause .................................................... .170
DTC Confirmation Procedure .............................. .170
Wiring Diagram — AT — MMSW ........................ .171
Diagnostic Procedure .......................................... .173
Component Inspection ......................................... .174
DTC P1841 ATF PRESSURE SWITCH 1 .............. .175
Description ........................................................... .175
CONSULT-II Reference Value ............................. .175
On Board Diagnosis Logic ................................... .175
Possible Cause .................................................... .175
DTC Confirmation Procedure .............................. .175
Diagnostic Procedure .......................................... .176
DTC P1843 ATF PRESSURE SWITCH 3 .............. .177
Description ........................................................... .177
CONSULT-II Reference Value ............................. .177
On Board Diagnosis Logic ................................... .177
Possible Cause .................................................... .177
DTC Confirmation Procedure .............................. .177
Diagnostic Procedure .......................................... .178
DTC P1845 ATF PRESSURE SWITCH 5 .............. .179
Description ........................................................... .179
CONSULT-II Reference Value ............................. .179
On Board Diagnosis Logic ................................... .179
Possible Cause .................................................... .179
DTC Confirmation Procedure .............................. .179
Diagnostic Procedure .......................................... .180
DTC P1846 ATF PRESSURE SWITCH 6 .............. .181
Description ........................................................... .181
CONSULT-II Reference Value ............................. .181
On Board Diagnosis Logic ................................... .181
Possible Cause .................................................... .181
DTC Confirmation Procedure .............................. .181
Diagnostic Procedure .......................................... .182
MAIN POWER SUPPLY AND GROUND CIRCUIT .183
Wiring Diagram — AT — MAIN ........................... .183
Diagnostic Procedure .......................................... .184
CLOSED THROTTLE POSITION AND WIDE OPEN
THROTTLE POSITION CIRCUIT ........................... .187
CONSULT-II Reference Value ............................. .187
Diagnostic Procedure .......................................... .187
BRAKE SIGNAL CIRCUIT ..................................... .188
CONSULT-II Reference Value ............................. .188
Diagnostic Procedure .......................................... .188
A/T INDICATOR CIRCUIT ...................................... .189
Description ........................................................... .189
CONSULT-II Reference Value ............................. .189
Diagnostic Procedure .......................................... .189
TROUBLE DIAGNOSIS FOR SYMPTOMS ........... .190
Wiring Diagram — AT — NONDTC ..................... .190
A/T CHECK Indicator Lamp Does Not Come On . 193
Engine Cannot Be Started in “P” or “N” Position . .194
In “P” Position, Vehicle Moves When Pushed ..... .195

AT-4Revision: 2005 July 2005 FX
In “N” Position, Vehicle Moves .............................
.196
Large Shock (“N” to “D” Position) ........................ .197
Vehicle Does Not Creep Backward in “R” Position .200
Vehicle Does Not Creep Forward in “D” Position . .203
Vehicle Cannot Be Started from D
1 ..................... .205
A/T Does Not Shift: D
1 → D2 ............................... .208
A/T Does Not Shift: D
2 → D3 ............................... .210
A/T Does Not Shift: D
3 → D4 ............................... .212
A/T Does Not Shift: D
4 → D5 ............................... .215
A/T Does Not Perform Lock-up ........................... .217
A/T Does Not Hold Lock-up Condition ................. .219
Lock-up Is Not Released ..................................... .221
Engine Speed Does Not Return to Idle ............... .221
Cannot Be Changed to Manual Mode ................. .223
A/T Does Not Shift: 5th Gear → 4th Gear ........... .223
A/T Does Not Shift: 4th Gear → 3rd Gear ........... .225
A/T Does Not Shift: 3rd Gear → 2nd Gear .......... .227
A/T Does Not Shift: 2nd Gear → 1st Gear ........... .229
Vehicle Does Not Decelerate by Engine Brake ... .231
SHIFT CONTROL SYSTEM ................................... .233
Control Device Removal and Installation ............. .233
Control Rod Removal and Installation ................. .234
Adjustment of A/T Position .................................. .235
Checking of A/T Position ..................................... .235
A/T SHIFT LOCK SYSTEM .................................... .236
Description ........................................................... .236
Shift Lock System Electrical Parts Location ........ .236
Wiring Diagram — AT — SHIFT .......................... .237
Diagnostic Procedure .......................................... .238
KEY INTERLOCK CABLE ..................................... .240
Components ........................................................ .240
Removal and Installation ..................................... .241
ON-VEHICLE SERVICE ......................................... .243
Control Valve with TCM and A/T Fluid Temperature
Sensor 2 .............................................................. .243
Parking Components (2WD Models Only) ........... .255
Rear Oil Seal ....................................................... .262
Revolution Sensor Components (2WD Models Only) ....................................................................
.263
AIR BREATHER HOSE .......................................... .268
Removal and Installation ...................................... .268
TRANSMISSION ASSEMBLY ................................ .270
Removal and Installation (2WD Models) .............. .270
Removal and Installation (AWD Models) ............. .273
OVERHAUL ............................................................ .278
Components ......................................................... .278
Oil Channel .......................................................... .286
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings ......................... .288
DISASSEMBLY ...................................................... .290
Disassembly ......................................................... .290
REPAIR FOR COMPONENT PARTS ..................... .308
Oil Pump .............................................................. .308
Front Sun Gear, 3rd One-way Clutch ................... .311
Front Carrier, Input Clutch, Rear Internal Gear .... .313
Mid Sun Gear, Rear Sun Gear, High and Low
Reverse Clutch Hub ............................................. .318
High and Low Reverse Clutch ............................. .323
Direct Clutch ........................................................ .326
ASSEMBLY ............................................................ .328
Assembly (1) ........................................................ .328
Adjustment ........................................................... .341
Assembly (2) ........................................................ .344
SERVICE DATA AND SPECIFICATIONS (SDS) ... .351
General Specifications ......................................... .351
Vehicle Speed at Which Gear Shifting Occurs ..... .351
Vehicle Speed at Which Lock-up Occurs/Releases .352
Stall Speed ........................................................... .352
Line Pressure ....................................................... .352
A/T Fluid Temperature Sensor ............................. .352
Turbine Revolution Sensor ................................... .353
Vehicle Speed Sensor A/T (Revolution Sensor) .. .353
Reverse Brake ..................................................... .353
Total End Play ...................................................... .353

INDEX FOR DTC AT-5
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Revision: 2005 July 2005 FX
INDEX FOR DTCPFP:00024
Alphabetical Index ACS002L1
NOTE:
If DTC U1000 is displayed with other DTCs, first perform the trouble diagnosis for DTC U1000. Refer to
AT- 1 0 6
.
*1: These numbers are prescribed by SAE J2012.
*2: For VQ35DE engine.
*3: These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL. Items
(CONSULT-II screen terms) DTC
Reference page
OBD-II Except OBD-II
CONSULT-II GST (*1) CONSULT-II only “A/T”
A/T 1ST E/BRAKING — P1731 AT- 1 4 8
ATF PRES SW 1/CIRC — P1841AT- 1 7 5
ATF PRES SW 3/CIRC — P1843AT- 1 7 7
ATF PRES SW 5/CIRC — P1845AT- 1 7 9
ATF PRES SW 6/CIRC — P1846AT- 1 8 1
A/T INTERLOCK P1730 P1730AT- 1 4 5
A/T TCC S/V FNCTN P0744 P0744 AT- 1 2 7
ATF TEMP SEN/CIRC P0710 P1710AT- 1 3 6
CAN COMM CIRCUIT U1000 U1000AT- 1 0 6
D/C SOLENOID/CIRC P1762 P1762AT- 1 5 8
D/C SOLENOID FNCTN P1764 (*3) P1764 AT- 1 6 0
ENGINE SPEED SIG P0725 (*2) P0725AT- 1 2 3
FR/B SOLENOID/CIRC P1757 P1757AT- 1 5 4
FR/B SOLENOID FNCT P1759 P1759 AT- 1 5 6
HLR/C SOL/CIRC P1767 P1767AT- 1 6 2
HLR/C SOL FNCTN P1769 (*3) P1769 AT- 1 6 4
I/C SOLENOID/CIRC P1752 P1752AT- 1 5 0
I/C SOLENOID FNCTN P1754 (*3) P1754 AT- 1 5 2
L/PRESS SOL/CIRC P0745 P0745AT- 1 2 9
LC/B SOLENOID/CIRC P1772 P1772AT- 1 6 6
LC/B SOLENOID FNCT P1774 P1774 AT- 1 6 8
MANU MODE SW/CIRC — P1815AT- 1 7 0
PNP SW/CIRC P0705 P0705 AT- 11 4
STARTER RELAY/CIRC — P0615AT- 1 0 9
TCC SOLENOID/CIRC P0740 P0740AT- 1 2 5
TCM P0700(*2) P0700 AT- 11 3
TCM·RAM — P1702AT- 1 3 1
TCM·ROM — P1703AT- 1 3 2
TP SEN/CIRC A/T P1705(*2) P1705AT- 1 3 3
TURBINE REV S/CIRC P1716 P1716AT- 1 4 1
VEH SPD SE/CIR·MTR — P1721AT- 1 4 3
VEH SPD SEN/CIR AT P0720 P0720 AT- 11 8

AT-6
INDEX FOR DTC
Revision: 2005 July 2005 FX
DTC No. Index ACS002L2
NOTE:
If DTC U1000 is displayed with other DTCs, first perform the trouble diagnosis for DTC U1000. Refer to
AT- 1 0 6
.
*1: These numbers are prescribed by SAE J2012.
*2: For VQ35DE engine.
*3: These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL. DTC
Items
(CONSULT-II screen terms) Reference page
OBD-II Except OBD-II
CONSULT-II GST (*1) CONSULT-II
only “A/T”
— P0615 STARTER RELAY/CIRC AT- 1 0 9
P0700(*2) P0700 TCM AT- 11 3
P0705 P0705 PNP SW/CIRCAT- 11 4
P0710 P1710 ATF TEMP SEN/CIRCAT- 1 3 6
P0720 P0720 VEH SPD SEN/CIR AT AT- 11 8
P0725 (*2) P0725 ENGINE SPEED SIG AT- 1 2 3
P0740 P0740 TCC SOLENOID/CIRCAT- 1 2 5
P0744 P0744 A/T TCC S/V FNCTNAT- 1 2 7
P0745 P0745 L/PRESS SOL/CIRCAT- 1 2 9
— P1702 TCM·RAMAT- 1 3 1
— P1703 TCM·ROMAT- 1 3 2
P1705 (*2) P1705 TP SEN/CIRC A/T AT- 1 3 3
P1716 P1716 TURBINE REV S/CIRCAT- 1 4 1
— P1721 VEH SPD SE/CIR·MTRAT- 1 4 3
P1730 P1730 A/T INTERLOCK AT- 1 4 5
— P1731 A/T 1ST E/BRAKINGAT- 1 4 8
P1752 P1752 I/C SOLENOID/CIRC AT- 1 5 0
P1754 (*3) P1754 I/C SOLENOID FNCTN AT- 1 5 2
P1757 P1757 FR/B SOLENOID/CIRCAT- 1 5 4
P1759 (*3) P1759 FR/B SOLENOID FNCT AT- 1 5 6
P1762 P1762 D/C SOLENOID/CIRCAT- 1 5 8
P1764 (*3) P1764 D/C SOLENOID FNCTN AT- 1 6 0
P1767 P1767 HLR/C SOL/CIRCAT- 1 6 2
P1769 P1769 HLR/C SOL FNCTNAT- 1 6 4
P1772 P1772 LC/B SOLENOID/CIRCAT- 1 6 6
P1774 P1774 LC/B SOLENOID FNCTAT- 1 6 8
— P1815 MANU MODE SW/CIRCAT- 1 7 0
— P1841 ATF PRES SW 1/CIRCAT- 1 7 5
— P1843 ATF PRES SW 3/CIRCAT- 1 7 7
— P1845 ATF PRES SW 5/CIRCAT- 1 7 9
— P1846 ATF PRES SW 6/CIRCAT- 1 8 1
U1000 U1000 CAN COMM CIRCUIT AT- 1 0 6

PRECAUTIONS AT-7
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PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
ACS002L3
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
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
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:

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.

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.

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.
Precautions for On Board Diagnostic (OBD) System of A/T and EngineACS002L5
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.
CAUTION:

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-
noid valves, etc. Will cause the MIL to light up.

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,
dirt, bent terminals, etc.)

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.

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.

Be sure to erase the unnecessary malfunction information (repairs completed) from the TCM and
ECM before returning the vehicle to the customer.