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CVT
C TRANSMISSION/TRANSAXLE
A
SECTION CVT CVT
B
CVT
D
E
CONTENTS
INDEX FOR DTC ....................................................... 6 . TYPE 1/TYPE 2/TYPE 3/TYPE 4/TYPE 5/TYPE F
Alphabetical Index ................................................... 6. 6/TYPE 7/TYPE 8 ............................................... 20 .
DTC No. Index ........................................................ 7. TYPE 9/TYPE10/TYPE 11/TYPE 12/TYPE 13/
PRECAUTIONS ......................................................... 8 . TYPE 14/TYPE 15/TYPE 16 .............................. 25 . G
Precautions for Supplemental Restraint System CAN Communication Unit For AWD Models ......... 30 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SYSTEM DESCRIPTION ................................... 30 .
SIONER" ................................................................. 8
. TYPE 17/TYPE 18/TYPE 19/TYPE 20/TYPE 21/
H
Precautions for TCM and CVT Assembly Replace- TYPE 22/TYPE 23/TYPE 24 .............................. 30 .
ment ........................................................................ 8
. TYPE 25/TYPE26/TYPE 27/TYPE 28/TYPE 29/
EEPROM ERASING PATTERNS ......................... 8 . TYPE 30/TYPE 31/TYPE 32 .............................. 35 .
METHOD FOR ERASING THE EEPROM IN THE Input/Output Signal of TCM ................................... 40 . I
TCM ..................................................................... 8
. Line Pressure and Secondary Pressure Control ... 40
METHOD FOR WRITING DATA FROM THE NORMAL CONTROL ......................................... 41 .
ROM ASSEMBLY IN THE TRANSMISSION ....... 9 . FEEDBACK CONTROL ..................................... 41 . J
CHECK METHOD ................................................ 9 . Shift Control ........................................................... 41
.
Removal and Installation Procedure for CVT Unit "D" POSITION .................................................... 41.
Connector ................................................................ 9
. "S"POSITION ..................................................... 41.
K
REMOVAL ............................................................ 9. "L" POSITION ..................................................... 42
.
INSTALLATION .................................................... 9 . DOWNHILL ENGINE BRAKE CONTROL (AUTO
Precautions ........................................................... 10
. ENGINE BRAKE CONTROL) ............................. 42 .
Service Notice or Precautions ................................11 . KICKDOWN CONTROL ..................................... 42 . L
OBD-II SELF-DIAGNOSIS ..................................11 . Lock-Up and Select Control ................................... 42 .
Wiring Diagrams and Trouble Diagnosis ................11 . TORQUE CONVERTER CLUTCH AND SELECT
PREPARATION ........................................................ 12 . CONTROL VALVE CONTROL ........................... 43 . M
Special Service Tools ............................................ 12 . Control Valve ......................................................... 44
.
Commercial Service Tools ..................................... 13 . FUNCTION OF CONTROL VALVE .................... 44 .
CVT FLUID .............................................................. 14
. ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 45 .
Checking CVT Fluid .............................................. 14 . Introduction ............................................................ 45
.
FLUID LEVEL CHECK ....................................... 14 . OBD-II Function for CVT System .......................... 45 .
FLUID CONDITION CHECK .............................. 15 . One or Two Trip Detection Logic of OBD-II ........... 45 .
Changing CVT Fluid .............................................. 15 . ONE TRIP DETECTION LOGIC ........................ 45 .
CVT SYSTEM .......................................................... 16 . TWO TRIP DETECTION LOGIC ........................ 45 .
Cross-Sectional View - RE0F09A ......................... 16 . OBD-II Diagnostic Trouble Code (DTC) ................ 45 .
Control System ...................................................... 17. HOW TO READ DTC AND 1ST TRIP DTC ........ 45 .
Hydraulic Control System ...................................... 18 . HOW TO ERASE DTC ....................................... 46 .
TCM Function ........................................................ 19. HOW TO ERASE DTC (WITH CONSULT-II) ...... 47 .
CONTROL SYSTEM OUTLINE ......................... 19 . HOW TO ERASE DTC (WITH GST) .................. 47 .
CONTROL SYSTEM DIAGRAM ........................ 19 . Malfunction Indicator Lamp (MIL) .......................... 48 .
CAN Communication Unit For 2WD Models ......... 20 . DESCRIPTION ................................................... 48 .
SYSTEM DESCRIPTION ................................... 20 . TROUBLE DIAGNOSIS ........................................... 49 .
Revision; 2004 April CVT-1 2003 Murano
DTC Inspection Priority Chart ................................ 49 . Diagnostic Procedure .............................................87 .
Fail-Safe ................................................................ 49
. Component Inspection ...........................................89 .
FAIL-SAFE FUNCTION ...................................... 49 . PNP SWITCH .....................................................89 .
How To Perform Trouble Diagnosis For Quick and DTC P0710 CVT FLUID TEMPERATURE SENSOR
Accurate Repair ..................................................... 50
. CIRCUIT ...................................................................90
.
INTRODUCTION ................................................ 50 . Description .............................................................90
.
WORK FLOW ..................................................... 51 . CONSULT-II Reference Value ................................90 .
DIAGNOSTIC WORKSHEET ............................. 52 . On Board Diagnosis Logic .....................................90 .
CVT Electrical Parts Location ................................ 54 . Possible Cause ......................................................90.
Circuit Diagram ...................................................... 55
. DTC Confirmation Procedure .................................90 .
Inspections Before Trouble Diagnosis ................... 56 . WITH CONSULT-II ..............................................90 .
CVT FLUID CHECK ........................................... 56 . WITH GST ..........................................................90.
STALL TEST ....................................................... 56. Wiring Diagram - CVT - FTS ..................................91 .
LINE PRESSURE TEST ..................................... 57 . Diagnostic Procedure .............................................92 .
ROAD TEST ....................................................... 59 . Component Inspection ...........................................94 .
Vehicle Speed When Shifting Gears ..................... 62 . CVT FLUID TEMPERATURE SENSOR .............94 .
TCM Input/Output Signal Reference Values .......... 63 . DTC P0715 INPUT SPEED SENSOR CIRCUIT (PRI
TCM TERMINAL CONNECTOR LAYOUT ......... 63 . SPEED SENSOR) ....................................................95 .
TCM INSPECTION TABLE ................................. 63 . Description .............................................................95
.
CONSULT-II ........................................................... 66
. CONSULT-II Reference Value ................................95 .
FUNCTION ......................................................... 66. On Board Diagnosis Logic .....................................95 .
WORK SUPPORT MODE WITH CONSULT-II ... 66 Possible Cause ......................................................95.
SELF-DIAGNOSTIC PROCEDURE (WITH DTC Confirmation Procedure .................................95 .
CONSULT-II) ...................................................... 70. WITH CONSULT-II ..............................................95 .
Diagnostic Procedure Without CONSULT-II .......... 75 . WITH GST ..........................................................96.
OBD-II SELF-DIAGNOSTIC PROCEDURE Wiring Diagram - CVT - PRSCVT ..........................97 .
(WITH GST) ........................................................ 75
. Diagnostic Procedure .............................................98 .
DTC U1000 CAN COMMUNICATION LINE ............. 76 . DTC P0720 VEHICLE SPEED SENSOR CVT (SEC-
Description ............................................................. 76
. ONDARY SPEED SENSOR) .................................. 101 .
On Board Diagnosis Logic ..................................... 76 . Description ........................................................... 101
.
Possible Cause ...................................................... 76
. CONSULT-II Reference Value .............................. 101 .
DTC Confirmation Procedure ................................ 76 . On Board Diagnosis Logic ................................... 101 .
WITH CONSULT-II ............................................. 76 . Possible Cause .................................................... 101.
WITH GST .......................................................... 76
. DTC Confirmation Procedure ............................... 101 .
Wiring Diagram -- CVT -- CAN ............................ 77 . WITH CONSULT-II ............................................ 101 .
Diagnostic Procedure ............................................ 78 . WITH GST ........................................................ 102.
DTC P0615 START SIGNAL CIRCUIT .................... 79 . Wiring Diagram - CVT - SESCVT ........................ 103 .
Description ............................................................. 79
. Diagnostic Procedure ........................................... 104 .
On Board Diagnosis Logic ..................................... 79 . DTC P0725 ENGINE SPEED SIGNAL ................... 108 .
Possible Cause ...................................................... 79
. Description ........................................................... 108
.
DTC Confirmation Procedure ................................ 79 . On Board Diagnosis Logic ................................... 108 .
WITH CONSULT-II ............................................. 79 . Possible Cause .................................................... 108.
Wiring Diagram -- CVT -- STSIG ......................... 80 . DTC Confirmation Procedure ............................... 108 .
Diagnostic Procedure ............................................ 81 . WITH CONSULT-II ............................................ 108 .
DTC P0703 STOP LAMP SWITCH CIRCUIT .......... 83 . Diagnostic Procedure ........................................... 108 .
Description ............................................................. 83
. DTC P0730 BELT DAMAGE .................................. 110 .
On Board Diagnosis Logic ..................................... 83 . Description ........................................................... 110
.
Possible Cause ...................................................... 83
. CONSULT-II Reference Value .............................. 110 .
DTC Confirmation Procedure ................................ 83 . On Board Diagnosis Logic ................................... 110 .
WITH CONSULT-II ............................................. 83 . Possible Cause .................................................... 110.
Diagnostic Procedure ............................................ 83 . DTC Confirmation Procedure ............................... 110 .
DTC P0705 PARK/NEUTRAL POSITION SWITCH... 85 WITH CONSULT-II ............................................ 110 .
Description ............................................................. 85
. Diagnostic Procedure ........................................... 111 .
On Board Diagnosis Logic ..................................... 85 . DTC P0740 TORQUE CONVERTER CLUTCH
Possible Cause ...................................................... 85
. SOLENOID VALVE ................................................. 112 .
DTC Confirmation Procedure ................................ 85 . Description ........................................................... 112
.
WITH CONSULT-II ............................................. 85 . CONSULT-II Reference Value .............................. 112 .
WITH GST .......................................................... 85
. On Board Diagnosis Logic ................................... 112 .
Wiring Diagram -- CVT -- PNP/SW ..................... 86 . Possible Cause .................................................... 112.
Revision; 2004 April CVT-2 2003 Murano
DTC Confirmation Procedure ...............................112 . WITH CONSULT-II ........................................... 131 .
WITH CONSULT-II ............................................112 . WITH GST ........................................................ 131
. A
WITH GST .........................................................112 . Wiring Diagram -- CVT -- SECPSV ................... 132 .
Wiring Diagram - CVT - TCV ................................113 . Diagnostic Procedure .......................................... 133 .
Diagnostic Procedure ...........................................114 . Component Inspection ......................................... 134 . B
Component Inspection .........................................116 . PRESSURE CONTROL SORENOID VALVE B
TORQUE CONVERTER CLUTCH SOLENOID (SECONDARY PRESSURE SOLENOID VALVE)
VALVE ...............................................................116
. . 134
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)..117 DTC P0840 TRANSMISSION FLUID PRESSURE CVT
Description ...........................................................117
. SENSOR A CIRCUIT (SEC PRESSURE SENSOR) 135 .
CONSULT-II Reference Value ..............................117 . Description ........................................................... 135
.
On Board Diagnosis Logic ...................................117 . CONSULT-II Reference Value ............................. 135 . D
Possible Cause ....................................................117 . On Board Diagnosis Logic ................................... 135 .
DTC Confirmation Procedure ...............................117 . Possible Cause .................................................... 135
.
WITH CONSULT-II ............................................117 . DTC Confirmation Procedure .............................. 135 . E
WITH GST .........................................................117 . WITH CONSULT-II ........................................... 135 .
Diagnostic Procedure ...........................................118 . WITH GST ........................................................ 135
.
DTC P0745 LINE PRESSURE SOLENOID VALVE 120 . Wiring Diagram - CVT - SECPS .......................... 136 .
Description .......................................................... 120
. Diagnostic Procedure .......................................... 137 . F
CONSULT-II Reference Value ............................. 120 . DTC P0841 PRESSURE SENSOR FUNCTION .... 140 .
On Board Diagnosis Logic .................................. 120 . Description ........................................................... 140
.
Possible Cause ................................................... 120 . CONSULT-II Reference Value ............................. 140 . G
DTC Confirmation Procedure .............................. 120 . On Board Diagnosis Logic ................................... 140 .
WITH CONSULT-II ........................................... 120 . Possible Cause .................................................... 140
.
WITH GST ........................................................ 120 . DTC Confirmation Procedure .............................. 140 . H
Wiring Diagram -- CVT -- LPSV ........................ 121 . WITH CONSULT-II ........................................... 140 .
Diagnostic Procedure .......................................... 122 . Diagnostic Procedure .......................................... 141 .
Component Inspection ........................................ 124 . DTC P0845 TRANSMISSION FLUID PRESSURE
I
PRESSURE CONTROL SOLENOID VALVE A SENSOR B CIRCUIT (PRI PRESSURE SENSOR). 143
(LINE PRESSURE SOLENOID VALVE) .......... 124 . Description ........................................................... 143
.
DTC P0746 PRESSURE CONTROL SOLENOID A CONSULT-II Reference Value ............................. 143 .
PERFORMANCE (LINE PRESSURE SOLENOID On Board Diagnosis Logic ................................... 143 . J
VALVE) ................................................................... 125
. Possible Cause .................................................... 143
.
Description .......................................................... 125
. DTC Confirmation Procedure .............................. 143 .
On Board Diagnosis Logic .................................. 125 . WITH CONSULT-II ........................................... 143 . K
Possible Cause ................................................... 125 . WITH GST ........................................................ 143
.
DTC Confirmation Procedure .............................. 125 . Wiring Diagram - CVT - PRIPS ........................... 144 .
WITH CONSULT-II ........................................... 125 . Diagnostic Procedure .......................................... 145 . L
WITH GST ........................................................ 125 . DTC P0868 SECONDARY PRESSURE DOWN .... 147 .
Diagnostic Procedure .......................................... 126 . Description ........................................................... 147
.
DTC P0776 PRESSURE CONTROL SOLENOID B CONSULT-II Reference Value ............................. 147 .
PERFOMANCE (SEC PRESSURE SOLENOID On Board Diagnosis Logic ................................... 147 . M
VALVE) ................................................................... 128
. Possible Cause .................................................... 147
.
Description .......................................................... 128
. DTC Confirmation Procedure .............................. 147 .
CONSULT-II Reference Value ............................. 128 . WITH CONSULT-II ........................................... 147 .
On Board Diagnosis Logic .................................. 128 . Diagnostic Procedure .......................................... 148 .
Possible Cause ................................................... 128 . DTC P1701 TRANSMISSION CONTROL MODULE
DTC Confirmation Procedure .............................. 128 . (POWER SUPPLY) ................................................. 150 .
WITH CONSULT-II ........................................... 128 . Description ........................................................... 150
.
WITH GST ........................................................ 129 . On Board Diagnosis Logic ................................... 150 .
Diagnostic Procedure .......................................... 129 . Possible Cause .................................................... 150
.
DTC P0778 PRESSURE CONTROL SOLENOID B DTC Confirmation Procedure .............................. 150 .
ELECTRICAL (SEC PRESSURE SOLENOID WITH CONSULT-II ........................................... 150 .
VALVE) ................................................................... 131
. Wiring Diagram -- CVT -- POWER .................... 151 .
Description .......................................................... 131
. Diagnostic Procedure .......................................... 152 .
CONSULT-II Reference Value ............................. 131 . DTC P1705 THROTTLE POSITION SENSOR ...... 155 .
On Board Diagnosis Logic .................................. 131 . Description ........................................................... 155
.
Possible Cause ................................................... 131 . On Board Diagnosis Logic ................................... 155 .
DTC Confirmation Procedure .............................. 131 . Possible Cause .................................................... 155
.
Revision; 2004 April CVT-3 2003 Murano
DTC Confirmation Procedure .............................. 155 . CONSULT-II Reference Value .............................. 173 .
WITH CONSULT-II ........................................... 155 . On Board Diagnosis Logic ................................... 173 .
Diagnostic Procedure .......................................... 155 . Possible Cause .................................................... 173
.
DTC P1722 ESTM VEHICLE SPEED SIGNAL ...... 157 . DTC Confirmation Procedure ............................... 173 .
Description ........................................................... 157
. WITH CONSULT-II ............................................ 173 .
On Board Diagnosis Logic ................................... 157 . WITH GST ........................................................ 174
.
Possible Cause .................................................... 157. Diagnostic Procedure ........................................... 174 .
DTC Confirmation Procedure .............................. 157 . SECOND POSITION SWITCH ............................... 175 .
WITH CONSULT-II ........................................... 157 . Description ........................................................... 175
.
Diagnostic Procedure .......................................... 157 . CONSULT-II Reference Value .............................. 175 .
DTC P1723 CVT SPEED SENSOR FUNCTION .... 159 . Possible Cause .................................................... 175
.
Description ........................................................... 159
. Wiring Diagram -- CVT -- SPSW ....................... 176 .
On Board Diagnosis Logic ................................... 159 . Diagnostic Procedure ........................................... 177 .
Possible Cause .................................................... 159. Component Inspection ......................................... 177 .
DTC Confirmation Procedure .............................. 159 . SECOND POSITION SWITCH ......................... 177 .
WITH CONSULT-II ........................................... 159 . TROUBLE DIAGNOSIS FOR SYMPTOMS ........... 178 .
Diagnostic Procedure .......................................... 160 . Wiring Diagram -- CVT -- NONDTC .................. 178 .
DTC P1726 ELECTRIC THROTTLE CONTROL SHIFT CONTROL SYSTEM ................................... 182 .
SYSTEM ................................................................. 161
. Control Device Removal and Installation ............. 182 .
Description ........................................................... 161
. REMOVAL ......................................................... 183
.
On Board Diagnosis Logic ................................... 161 . INSTALLATION ................................................. 183 .
Possible Cause .................................................... 161. Adjustment of CVT Position ................................. 183 .
DTC Confirmation Procedure .............................. 161 . Checking of CVT Position .................................... 183 .
WITH CONSULT-II ........................................... 161 . CVT SHIFT LOCK SYSTEM .................................. 184 .
Diagnostic Procedure .......................................... 161 . Description ........................................................... 184
.
DTC P1740 LOCK-UP SELECT SOLENOID VALVE Shift Lock System Electrical Parts Location ......... 184 .
CIRCUIT ................................................................. 163
. Wiring Diagram -- CVT -- SHIFT ....................... 185 .
Description ........................................................... 163
. Shift Lock Control Unit Reference Values ............ 187 .
CONSULT-II Reference Value ............................. 163 . SHIFT LOCK HARNESS CONNECTOR TERMI-
On Board Diagnosis Logic ................................... 163 . NALS LAYOUT ................................................. 187 .
Possible Cause .................................................... 163. SHIFT LOCK CONTROL UNIT INSPECTION
DTC Confirmation Procedure .............................. 163 . TABLE ............................................................... 187
.
WITH CONSULT-II ........................................... 163 . Component Inspection ......................................... 188 .
WITH GST ........................................................ 163. SHIFT LOCK SOLENOID ................................. 188 .
Wiring Diagram - CVT - L/USSV .......................... 164 . DETENTION SWITCH ...................................... 188 .
Diagnostic Procedure .......................................... 165 . DETENTION SWITCH ...................................... 188 .
Component Inspection ......................................... 166 . KEY LOCK SOLENOID .................................... 188 .
LOCK-UP SELECT SOLENOID VALVE ........... 166 . KEY SWITCH .................................................... 189 .
DTC P1745 LINE PRESSURE CONTROL ............ 167 . STOP LAMP SWITCH ...................................... 189 .
Description ........................................................... 167
. AIR BREATHER HOSE .......................................... 190 .
On Board Diagnosis Logic ................................... 167 . Removal and Installation ...................................... 190 .
Possible Cause .................................................... 167. DIFFERENTIAL SIDE OIL SEAL ........................... 191 .
DTC Confirmation Procedure .............................. 167 . Removal and Installation ...................................... 191 .
WITH CONSULT-II ........................................... 167 . REMOVAL ......................................................... 191
.
Diagnostic Procedure .......................................... 167 . INSTALLATION ................................................. 192 .
DTC P1777 STEP MOTOR - CIRCUIT .................. 168 . CVT FLUID COOLER VALVE ................................ 193 .
Description ........................................................... 168
. Removal and Installation ...................................... 193 .
CONSULT-II Reference Value ............................. 168 . COMPONENTS ................................................ 193 .
On Board Diagnosis Logic ................................... 168 . REMOVAL ......................................................... 194
.
Possible Cause .................................................... 168. INSTALLATION ................................................. 196 .
DTC Confirmation Procedure .............................. 168 . Component Inspection ......................................... 196 .
WITH CONSULT-II ........................................... 168 . TRANSAXLE ASSEMBLY ..................................... 197 .
WITH GST ........................................................ 169. Removal and Installation ...................................... 197 .
Wiring Diagram -- CVT -- STM .......................... 170 . COMPONENTS (2WD MODELS) ..................... 197 .
Diagnostic Procedure .......................................... 171 . COMPONENTS (AWD MODELS) .................... 199 .
Component Inspection ......................................... 172 . REMOVAL ......................................................... 201
.
STEP MOTOR .................................................. 172 . INSPECTION .................................................... 203 .
DTC P1778 STEP MOTOR - FUNCTION .............. 173 . INSTALLATION ................................................. 203 .
Description ........................................................... 173
. SERVICE DATA AND SPECIFICATIONS (SDS) ... 206 .
Revision; 2004 April CVT-4 2003 Murano
General Specifications ........................................ 206 . CVT Fluid Temperature Sensor ........................... 206 .
Stall Speed .......................................................... 206
. Primary Speed Sensor ........................................ 206
. A
Line Pressure ...................................................... 206
. Secondary Speed Sensor .................................... 207
.
Solenoid Valves ................................................... 206
. Removal and Installation ..................................... 207
.
B
CVT
D
E
F
G
H
I
J
K
L
M
Revision; 2004 April CVT-5 2003 Murano
INDEX FOR DTC
INDEX FOR DTC PFP:00024
Alphabetical Index ACS001S6
NOTE:
If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000. Refer to
CVT-76 .
DTC
Items OBD-II Except OBD-II
Reference page
(CONSULT-II screen terms)
CONSULT-II CONSULT-II only
GST*1 "TRANSMISSION"
A/T TCC S/V FNCTN P0744 P0744 CVT-117
ATF TEMP SEN/CIRC P0710 P0710 CVT-90
BELT DAMG -- P0730 CVT-110
BRAKE SW/CIRC -- P0703 CVT-83
CAN COMM CIRCUIT U1000 U1000 CVT-76
CVT SPD SEN/FNCTN -- P1723 CVT-159
ENGINE SPEED SIG -- P0725 CVT-108
ELEC TH CONTROL -- P1726 CVT-161
ESTM VEH SPD SIG -- P1722 CVT-157
INPUT SPD SEN/CIRC (IN PY SPD SEN/CIRC)*2 P0715 P0715 CVT-95
L/PRESS CONTROL -- P1745 CVT-167
L/PRESS SOL/CIRC P0745 P0745 CVT-120
PRS CNT SOL/A FCTN (L/PRESS SOL/FNCTN)*2 P0746 P0746 CVT-125
LU-SLCT SOL/CIRC P1740 P1740 CVT-163
PNP SW/CIRC P0705 P0705 CVT-85
PRESS SEN/FNCTN -- P0841 CVT-140
TR PRS SENS/B CIRC (PRI PRS SEN/CIRC)*2 P0845 P0845 CVT-143
SEC/PRESS DOWN -- P0868 CVT-147
PRS CNT SOL/B CIRC (SEC/PRESS SOL/CIRC)*2 P0778 P0778 CVT-131
PRS CNT SOL/B FCTN (SEC/PRESS SOL/FNCTN)*2 P0776 P0776 CVT-128
TR PRS SENS/A CIRC (SEC PRS SEN/CIRC)*2 P0840 P0840 CVT-135
STARTER RELAY/CIRC -- P0615 CVT-79
STEP MOTOR/CIRC P1777 P1777 CVT-168
STEP MOTOR/FNCTN P1778 P1778 CVT-173
TCC SOLENOID/CIRC P0740 P0740 CVT-112
TCM-POWER SUPPLY -- P1701 CVT-150
TP SEN/CIRC A/T -- P1705 CVT-155
VEH SPD SEN/CIR AT P0720 P0720 CVT-101
*1: These numbers are prescribed by SAE J2012.
*2: CONSULT-II screen terms are shown differently depending on the version of CONSULT-II card.
Revision; 2004 April CVT-6 2003 Murano
INDEX FOR DTC
DTC No. Index ACS001S7
A
NOTE:
If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000. Refer to
CVT-76 .
B
DTC
OBD-II Except OBD-II Items
Reference page
(CONSULT-II screen terms)
CONSULT-II CONSULT-II only CVT
GST*1 "TRANSMISSION"
-- P0615 STARTER RELAY/CIRC CVT-79
-- P0703 BRAKE SW/CIRC CVT-83 D
P0705 P0705 PNP SW/CIRC CVT-85
P0710 P0710 ATF TEMP SEN/CIRC CVT-90
E
P0715 P0715 INPUT SPD SEN/CIRC (IN PY SPD SEN/CIRC)*2 CVT-95
P0720 P0720 VEH SPD SEN/CIR AT CVT-101
-- P0725 ENGINE SPEED SIG CVT-108 F
-- P0730 BELT DAMG CVT-110
P0740 P0740 TCC SOLENOID/CIRC CVT-112
P0744 P0744 A/T TCC S/V FNCTN CVT-117 G
P0745 P0745 L/PRESS SOL/CIRC CVT-120
P0746 P0746 PRS CNT SOL/A FCTN (L/PRESS SOL/FNCTN)*2 CVT-125
H
P0776 P0776 PRS CNT SOL/B FCTN (SEC/PRESS SOL/FNCTN)*2 CVT-128
P0778 P0778 PRS CNT SOL/B CIRC (SEC/PRESS SOL/CIRC)*2 CVT-131
P0840 P0840 TR PRS SENS/A CIRC (SEC PRS SEN/CIRC)*2 CVT-135 I
-- P0841 PRESS SEN/FNCTN CVT-140
P0845 P0845 TR PRS SENS/B CIRC (PRI PRS SEN/CIRC)*2 CVT-143
J
-- P0868 SEC/PRESS DOWN CVT-147
-- P1701 TCM-POWER SUPPLY CVT-150
-- P1705 TP SEN/CIRC A/T CVT-155 K
-- P1722 ESTM VEH SPD SIG CVT-157
-- P1723 CVT SPD SEN/FNCTN CVT-159
L
-- P1726 ELEC TH CONTROL CVT-161
P1740 P1740 LU-SLCT SOL/CIRC CVT-163
-- P1745 L/PRESS CONTROL CVT-167 M
P1777 P1777 STEP MOTOR/CIRC CVT-168
P1778 P1778 STEP MOTOR/FNCTN CVT-173
U1000 U1000 CAN COMM CIRCUIT CVT-76
*1: These numbers are prescribed by SAE J2012.
*2: CONSULT-II screen terms are shown differently depending on the version of CONSULT-II card.
Revision; 2004 April CVT-7 2003 Murano
PRECAUTIONS
PRECAUTIONS PFP:00001
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" ACS003KX
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:
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.
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.
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.
Precautions for TCM and CVT Assembly Replacement ACS001SA
CAUTION:
q Check if new data (Unit ID) are entered correctly after replacing CVT assembly and erasing data in
TCM. (Connect CONSULT-II, and then turn ignition switch OFF.)
q When replacing CVT assembly or TCM, refer to the pattern table below and erase the EEPROM in the
TCM if necessary.
EEPROM ERASING PATTERNS
CVT assembly TCM Erasing EEPROM in TCM Remarks
Not required because the EEPROM in the TCM is in
Replaced Replaced Not required the default state. (CVT assembly must be replaced
first.)
Not required because the EEPROM in the TCM is in
Not replaced Replaced Not required
the default state.
Required because data has been written in the
EEPROM in the TCM and because the TCM cannot
Replaced Not replaced Required
write data from the ROM assembly in the transmis-
sion.
METHOD FOR ERASING THE EEPROM IN THE TCM
1. Connect CONSULT-II to data link connector.
2. Turn ignition switch "ON". Confirm that CONSULT-II is turned "ON".
3. Move selector lever to "R" position.
4. Touch "START" on CONSULT-II.
5. Select "SELF-DIAG RESULTS" mode for "TRANSMISSION" with CONSULT-II.
6. Brake switch "ON".
7. Press the accelerator pedal (0.5/8 - 4/8 throttle) not to exceed the half, and hold it in the half or less open
position. (This will set the closed throttle position signal to "OFF" and the wide open throttle position signal
to "OFF".)
8. Touch "ERASE" on CONSULT-II, and then touch "YES".
9. Wait 3 seconds and then release the accelerator pedal.
10. Turn ignition switch "OFF".
Revision; 2004 April CVT-8 2003 Murano
PRECAUTIONS
METHOD FOR WRITING DATA FROM THE ROM ASSEMBLY IN THE TRANSMISSION
In the following procedure, the TCM reads data from the ROM assembly and writes it to the EEPROM in the A
TCM.
1. With the EEPROM in the TCM erased.
2. Move selector lever to "P" position. B
3. Turn ignition switch "ON".
CHECK METHOD CVT
q Normal: About 2 seconds after the ignition is switched to "ON" position, the CVT indicator lamp lights up
for 2 seconds.
q Non-standard: Even after the ignition is switched to "ON" position, the CVT indicator lamp does not light D
up after 2 seconds or illuminates immediately.
CAUTION:
Perform in the P or N position. E
Cope for non-standard
q Replace the CVT assembly.
q Replace the TCM. F
Removal and Installation Procedure for CVT Unit Connector ACS003L1
REMOVAL
G
q Rotate bayonet ring counterclockwise, pull out CVT unit harness
connector upward and remove it.
H
I
J
SCIA2096E
INSTALLATION
1. Align marking on CVT unit harness connector terminal body K
with marking on bayonet ring, insert CVT unit harness con-
nector, and then rotate bayonet ring clockwise.
L
M
SCIA2097E
2. Rotate bayonet ring clockwise until marking on CVT unit har-
ness connector terminal body is aligned with the slit on bayonet
ring as shown in the figure (correctly fitting condition), install
CVT unit harness connector to CVT unit harness connector ter-
minal body.
SCIA2098E
Revision; 2004 April CVT-9 2003 Murano
PRECAUTIONS
CAUTION:
q Securely align marking on CVT unit harness connector
terminal body with bayonet ring slit. Then, be careful not
to make a half fit condition as shown in the figure.
q Do not mistake the slit of bayonet ring for other dent por-
tion.
SCIA2099E
Precautions ACS001SB
NOTE:
If any malfunctions occur in the RE0F09A model transaxle, replace the entire transaxle assembly.
q Before connecting or disconnecting the TCM harness con-
nector, turn ignition switch "OFF" and disconnect negative
battery cable. Because battery voltage is applied to TCM
even if ignition switch is turned "OFF".
SEF289H
q When connecting or disconnecting pin connectors into or
from TCM, take care not to damage pin terminals (bend or
break).
When connecting pin connectors make sure that there are
not any bends or breaks on TCM pin terminal.
SEF291H
q Before replacing TCM, perform TCM input/output signal
inspection and make sure whether TCM functions properly
or not. CVT-63, "TCM INSPECTION TABLE".
MEF040DA
Revision; 2004 April CVT-10 2003 Murano
PRECAUTIONS
q After performing each TROUBLE DIAGNOSIS, perform
"DTC (Diagnostic Trouble Code) CONFIRMATION PROCE- A
DURE".
If the repair is completed the DTC should not be displayed in
the "DTC CONFIRMATION PROCEDURE".
B
CVT
SEF217U
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