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CVT
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SERVICE DATA AND SPECIFICATIONS (SDS)
General Specification INFOID:0000000004667117
*1: Refer to MA-14, " Fluids and Lubricants " .
Vehicle Speed When Shifting Gears INFOID:0000000004667118
Numerical value data are reference values.
CAUTION:
Lock-up clutch is engaged when vehi cle speed is approximately 18 km/h (11 MPH) to 90 km/h (56 MPH).
Stall Speed INFOID:0000000004667119
Line Pressure INFOID:0000000004667120
Applied model
MR18DE engine
CVT model RE0F08A
CVT assembly Model code number 1XB6B
Transmission gear ratio “D” position Variable
Reverse 2.689
Final drive 5.473
Recommended fluid NISSAN CVT Fluid NS-2*1
Fluid capacity 8.3 liter (8-3/4 US qt, 7-1/4 Imp qt)
CAUTION:
• Use only Genuine NISSAN CVT Fluid NS-2. Do not mix with other fluid.
• Using CVT fluid other than Genuine NISSAN CVT Fluid NS-2 will deteriorate in driveability and CVT durability, and may dam- age the CVT, which is not covered by the warranty. Stall speed
2,600 - 3,150 rpmEngine speed
Line pressure kPa (kg/cm
2
, psi)
“R”, “D” and “L” positions
At idle 650 (6.63, 94.3)
At stall 4,250 (43.35, 616.3)
Page 1130 of 4331
Name Condition CONSULT-III “DATA MONI
TOR” (Approx.) Resistance (Approx.)
ATF TEMP SEN 20
°C (68 °F) 2.0 V 6.5 k Ω
80 °C (176 °F) 1.0 V 0.9 k ΩName Condition Data (Approx.)
Secondary speed sensor When driving [
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CVT
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SERVICE INFORMATION
INDEX FOR DTC
Alphabetical Index INFOID:0000000004305559
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 CVT-238 .
*1: These numbers are prescribed by SAE J2012.
*2: Models without ABS does not indicate.
DTC No. Index INFOID:0000000004305560
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 CVT-238 .
Items
(CONSULT-III screen terms) DTC
Reference page
OBD-II Except OBD-II
CONSULT-III GST* 1 CONSULT-III only
“TRANSMISSION”
A/T TCC S/V FNCTN P0744 P0744 CVT-271ATF TEMP SEN/CIRC P0710 P0710
CVT-249BELT DAMG — P0730
CVT-265BRAKE SW/CIRC — P0703
CVT-242CAN COMM CIRCU
IT U1000 U1000 CVT-238CONTROL UNIT(CAN) U1010 U1010
CVT-241CVT SPD SEN/FNCTN — P1723
CVT-303ENGINE SPEED SIG — P0725
CVT-263ELEC TH CONTROL — P1726
CVT-305ESTM VEH SPD SIG*
2
— P1722CVT-301INPUT SPD SEN/CIRC P0715 P0715
CVT-254L/PRESS CONTROL — P1745
CVT-310L/PRESS SOL/CIRC P0745 P0745
CVT-273LU-SLCT SOL/CIRC P1740 P1740
CVT-306PNP SW/CIRC P0705 P0705
CVT-244PRESS SEN/FNCTN — P0841
CVT-291PRS CNT SOL/A FCTN P0746 P0746
CVT-278PRS CNT SOL/B CIRC P0778 P0778
CVT-282PRS CNT SOL/B FCTN P0776 P0776
CVT-280SEC/PRESS DOWN — P0868
CVT-293STEP MOTR CIRC P1777 P1777
CVT-311STEP MOTR/FNC P1778 P1778
CVT-315TCC SOLENOID/CIRC P0740 P0740
CVT-266TCM-POWER SUPPLY — P1701
CVT-295TP SEN/CIRC A/T — P1705
CVT-299TR PRS SENS/A CIRC P0840 P0840
CVT-287VEH SPD SEN/CIR AT P0720 P0720
CVT-258
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P0705 P0705 PNP SW/CIRC
CVT-244P0710 P0710 ATF TEMP SEN/CIRC
CVT-249P0715 P0715 INPUT SPD SEN/CIRC
CVT-254P0720 P0720 VEH SPD SEN/CIR AT
CVT-258— P0725 ENGINE SPEED SIG
CVT-263— P0730 BELT DAMG
CVT-265P0740 P0740 TCC SOLENOID/CIRC
CVT-266P0744 P0744 A/T TCC S/V FNCTN
CVT-271P0745 P0745 L/PRESS SOL/CIRC
CVT-273P0746 P0746 PRS CNT SOL/A FCTN
CVT-278P0776 P0776 PRS CNT SOL/B FCTN
CVT-280P0778 P0778 PRS CNT SOL/B CIRC
CVT-282P0840 P0840 TR PRS SENS/A CIRC
CVT-287— P0841 PRESS SEN/FNCTN
CVT-291— P0868 SEC/PRESS DOWN
CVT-293— P1701 TCM-POWER SUPPLY
CVT-295— P1705 TP SEN/CIRC A/T
CVT-299— P1722
ESTM VEH SPD SIG*2
CVT-301— P1723 CVT SPD SEN/FNCTN
CVT-303— P1726 ELEC TH CONTROL
CVT-305P1740 P1740 LU-SLCT SOL/CIRC
CVT-306— P1745 L/PRESS CONTROL
CVT-310P1777 P1777 STEP MOTR CIRC
CVT-311P1778 P1778 STEP MOTR/FNC
CVT-315U1000 U1000 CAN COMM CIRCUIT
CVT-238U1010 U1010 CONTROL UNIT(CAN)
CVT-241
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PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER" INFOID:0000000004800720
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty 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 w hether 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 inoper ative, 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 performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the SRS section.
• Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
• When working near the Airbag Diagnosis Sensor Un it or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or el ectric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wh eel Rotation After Battery Disconnect
INFOID:0000000004305562
NOTE:
• This Procedure is applied only to models with Intell igent Key system and NVIS/IVIS (NISSAN/INFINITI
VEHICLE IMMOBILIZER SYSTEM - NATS).
• Remove and install all control units after disconnecti ng both battery cables with the ignition knob in the
″ LOCK ″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NVIS/IVIS, an electrically controlled steering lock
mechanism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery pow er is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE 1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of al l control units using CONSULT-III.
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CVT
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CAUTION:
Never start engine.
7. Select “Self Diagnostic Results” in “TRANSMISSION”.
8. Shift the selector lever to “R” position.
9. Depress slightly the accelerator pedal (Pedal angle: 2/8) while depressing the brake pedal.
10. Select “Erase”.
11. Turn ignition switch OFF while keeping the selector lever in “R” position.
12. Wait approximately 10 seconds.
13. Turn ignition switch ON while keeping the selector lever in “R” position. CAUTION:
Never start engine.
14. Select “Special function” in “TRANSMISSION”.
15. Check that the value on “CALIBRATION DATA” in CONS ULT-III is the same as the data listed in the table
below.
• Restart the procedure from step 3 if the values are not the same.
CALIBRATION DATA
16. Shift the selector lever to “P” position.
17. Check that the shift position indicator in combinat ion meter turns ON. (It indicates approximately 1 or 2
seconds after shifting the selector lever to “P” position.)
• Check the following items if shift position indicator does not turn ON. Repair or replace accordingly as necessary.
- The harness between TCM and ROM ASSY in transaxle assembly is open or shorted.
- Terminals disconnected, loose, or bent from connector housing.
- Power supply and ground of TCM. Refer to CVT-295, " Description " .
PATTERN C 1. Replace transaxle assembly first, and then replace TCM.
2. Perform the service of “PATTERN A”. (Perform the service of “PATTERN B” if TCM is replaced first.)
Removal and Installation Proc edure for CVT Unit Connector INFOID:0000000004305565
REMOVAL Item name Display value Item name Display value
UNIT CLB ID 1 00 GAIN PL 256
UNIT CLB ID 2 00 OFFSET PL 40
UNIT CLB ID 3 00 OFFSET2 PL 0
UNIT CLB ID 4 00 MAP NO SEC 32
UNIT CLB ID 5 00 GAIN SEC 256
UNIT CLB ID 6 00 OFFSET SEC 40
MAP NO LU 33 OFFSET2 SEC 0
GAIN LU 256 MAP NO SL 32
OFFSET LU 40 GAIN SL 256
OFFSET2 LU 0 OFFSET SL 40
MAP NO PL 32 OFFSET2 SL 0
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CVT-192< SERVICE INFORMATION >
[RE0F08B]
PRECAUTIONS
Rotate bayonet ring counterclockwise, pull out CVT unit harness
connector upward and disconnect it.
INSTALLATION
1. Align CVT unit harness connector terminal body marking with bayonet ring marking, insert CVT unit harness connector, and
then rotate bayonet ring clockwise.
2. Rotate bayonet ring clockwise until CVT unit harness connector terminal body marking is aligned with the bayonet ring marking
(linear slit) as shown.
CAUTION:
• Securely align CVT unit ha rness connector terminal body
marking with bayonet ring mark ing (linear slit). Do not
make a half fit condition as shown.
• Do not mistake the bayonet ring marking (linear slit) for
other dent portion.
Precaution INFOID:0000000004305566
NOTE:
If any malfunction occurs in the RE0F08B m odel transaxle, replace the entire transaxle assembly. SCIA2096E
SCIA2097E
SCIA2098E
SCIA2099E