2009 NISSAN TIIDA e control

CVT
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Precaution Necessary fo
r Steering Wheel Rota-
tion After Battery Disconnect ............................... ..
189
Precaution for On Board Diagnosis (OBD) System
of CVT and Engine .............................................. ..
190
Service After Replacing TCM and Transaxle As-
sembly ................................................................. ..
190
Removal and Installation Procedure for CVT Unit
Connector ............................................................ ..
191
Precaution ........................................................... ..192
Service Notice or Precaution ............................... ..193
PREPARATION .............................................. ..195
Special Service Tool ........................................... ..195
Commercial Service Tool .................................... ..195
CVT FLUID ..................................................... ..196
Checking CVT Fluid ............................................ ..196
Changing CVT Fluid ............................................ ..197
CVT Fluid Cooler Cleanin g ...................................197
CVT SYSTEM ... .............................................. ..201
Cross-Sectional View - RE0F08B ....................... ..201
Control System .................................................... ..202
Hydraulic Control System ......................................203
TCM Function ...................................................... ..203
CAN Communication ........................................... ..204
Input/Output Signal of TCM ................................. ..204
Line Pressure and Secondary Pressure Control . ..205
Shift Control ........................................................ ..205
Lock-up and Select Control ................................. ..207
Control Valve ....................................................... ..207
ON BOARD DIAGNOSTIC (OBD) SYSTEM .. ..209
Introduction ......................................................... ..209
OBD-II Function for CVT System ........................ ..209
One or Two Trip Detection Logic of OBD-II ........ ..209
OBD-II Diagnostic Trouble Code (DTC) .............. ..209
Malfunction Indicator Lamp (MIL) ........................ ..210
TROUBLE DIAGNOSIS ................................. ..212
DTC Inspection Priority Chart ............................. ..212
Fail-Safe .............................................................. ..212
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ........... .........................................
213
CVT Electrical Parts Location ............................. ..218
Circuit Diagram ................................................... ..219
Inspections before Trouble Diagnosis ................. ..219
Road Test ............................................................ ..223
Check before Engine Is Started ............................224
Check at Idle ....................................................... ..224
Cruise Test .......................................................... ..226
Vehicle Speed When Shifting Gears ................... ..228
TCM Terminal and Reference Value ................... ..228
CONSULT-III Function (TRANSMISSION) ......... ..230
Diagnosis Procedu re without CONSULT-III ........ ..237
DTC U1000 CAN COMMUNICATION LINE ... ..238
Description .......................................................... ..238
On Board Diagnosis Logic .................................. ..238
Possible Cause ................................................... ..238 DTC Confirmation Procedure ..............................
..238
Wiring Diagram - CVT - CAN ............................... ..239
Diagnosis Procedure ........................................... ..240
DTC U1010 TRANSMISSION CONTROL
MODULE (CAN) .............................................. 241
Description ........................................................... ..241
On Board Diagnosis Logic ................................... ..241
Possible Cause .................................................... ..241
DTC Confirmation Procedure .............................. ..241
Diagnosis Procedure ........................................... ..241
DTC P0703 STOP LAMP SWITCH CIRCUIT . 242
Description ........................................................... ..242
CONSULT-III Reference Va lue in Data Monitor
Mode .................................................................... ..
242
On Board Diagnosis Logic ................................... ..242
Possible Cause .................................................... ..242
DTC Confirmation Procedure .............................. ..242
Diagnosis Procedure ........................................... ..242
DTC P0705 PARK/NEUTRAL POSITION
SWITCH ........................................................... 244
Description ........................................................... ..244
CONSULT-III Reference Va lue in Data Monitor
Mode .................................................................... ..
244
On Board Diagnosis Logic ................................... ..244
Possible Cause .................................................... ..244
DTC Confirmation Procedure .............................. ..244
Wiring Diagram - CVT - PNP/SW ........................ ..245
Diagnosis Procedure ........................................... ..246
Component Inspection ......................................... ..247
DTC P0710 CVT FLUID TEMPERATURE
SENSOR CIRCUIT .......................................... 249
Description ........................................................... ..249
CONSULT-III Reference Va lue in Data Monitor
Mode .................................................................... ..
249
On Board Diagnosis Logic ................................... ..249
Possible Cause .................................................... ..249
DTC Confirmation Procedure .............................. ..249
Wiring Diagram - CVT - FTS ............................... ..250
Diagnosis Procedure ........................................... ..251
Component Inspection ......................................... ..252
DTC P0715 INPUT SPEED SENSOR CIR-
CUIT (PRI SPEED SENSOR) .......................... 254
Description ........................................................... ..254
CONSULT-III Reference Va lue in Data Monitor
Mode .................................................................... ..
254
On Board Diagnosis Logic ................................... ..254
Possible Cause .................................................... ..254
DTC Confirmation Procedure .............................. ..254
Wiring Diagram - CVT - PRSCVT ........................ ..255
Diagnosis Procedure ........................................... ..256
DTC P0720 VEHICLE SPEED SENSOR CVT
(SECONDARY SPEED SENSOR) .................. 258
Description ........................................................... ..258

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Description ..........................................................
..
293
CONSULT-III Refe rence Value in Data Monitor
Mode ................................................................... ..
293
On Board Diagnosis Logic .................................. ..293
Possible Cause ................................................... ..293
DTC Confirmation Procedure .............................. ..293
Diagnosis Procedure ........................................... ..293
DTC P1701 TRANSMISSION CONTROL
MODULE (POWER SUPPLY) ........................ ..295
Description .......................................................... ..295
On Board Diagnosis Logic .................................. ..295
Possible Cause ................................................... ..295
DTC Confirmation Procedure .............................. ..295
Wiring Diagram - CVT - POWER ........................ ..296
Diagnosis Procedure ........................................... ..297
DTC P1705 THROTTLE POSITION SENSOR ..299
Description .......................................................... ..299
CONSULT-III Refe rence Value in Data Monitor
Mode ................................................................... ..
299
On Board Diagnosis Logic .................................. ..299
Possible Cause ................................................... ..299
DTC Confirmation Procedure .............................. ..299
Diagnosis Procedure ........................................... ..299
DTC P1722 ESTM VEHICLE SPEED SIGNAL ..301
Description .......................................................... ..301
CONSULT-III Refe rence Value in Data Monitor
Mode ................................................................... ..
301
On Board Diagnosis Logic .................................. ..301
Possible Cause ................................................... ..301
DTC Confirmation Procedure .............................. ..301
Diagnosis Procedure ........................................... ..301
DTC P1723 CVT SPEED SENSOR FUNC-
TION ............................................................... ..303
Description .......................................................... ..303
On Board Diagnosis Logic .................................. ..303
Possible Cause ................................................... ..303
DTC Confirmation Procedure .............................. ..303
Diagnosis Procedure ........................................... ..303
DTC P1726 ELECTRIC THROTTLE CON-
TROL SYSTEM .............................................. ..
305
Description .......................................................... ..305
On Board Diagnosis Logic .................................. ..305
Possible Cause ................................................... ..305
DTC Confirmation Procedure .............................. ..305
Diagnosis Procedure ........................................... ..305
DTC P1740 LOCK-UP SELECT SOLENOID
VALVE CIRCUIT ............................................ ..
306
Description .......................................................... ..306
CONSULT-III Refe rence Value in Data Monitor
Mode ................................................................... ..
306
On Board Diagnosis Logic .................................. ..306
Possible Cause ................................................... ..306
DTC Confirmation Procedure .............................. ..306
Wiring Diagram - CVT - L/USSV ......................... ..307 Diagnosis Procedure ...........................................
..308
Component Inspection ......................................... ..309
DTC P1745 LINE PRESSURE CONTROL ..... 310
Description ........................................................... ..310
On Board Diagnosis Logic ................................... ..310
Possible Cause .................................................... ..310
DTC Confirmation Procedure .............................. ..310
Diagnosis Procedure ........................................... ..310
DTC P1777 STEP MOTOR - CIRCUIT ........... 311
Description ........................................................... ..311
CONSULT-III Reference Va lue in Data Monitor
Mode .................................................................... ..
311
On Board Diagnosis Logic ................................... ..311
Possible Cause .................................................... ..311
DTC Confirmation Procedure .............................. ..311
Wiring Diagram - CVT - STM ............................... ..312
Diagnosis Procedure ........................................... ..313
Component Inspection ......................................... ..314
DTC P1778 STEP MOTOR - FUNCTION ....... 315
Description ........................................................... ..315
CONSULT-III Reference Va lue in Data Monitor
Mode .................................................................... ..
315
On Board Diagnosis Logic ................................... ..315
Possible Cause .................................................... ..315
DTC Confirmation Procedure .............................. ..315
Diagnosis Procedure ........................................... ..316
OVERDRIVE CONTROL SWITCH .................. 317
Description ........................................................... ..317
CONSULT-III Reference Va lue in Data Monitor
Mode .................................................................... ..
317
Wiring Diagram - CVT - ODSW ........................... ..318
Diagnosis Procedure ........................................... ..318
Component Inspection ......................................... ..320
SHIFT POSITION INDICATOR CIRCUIT ........ 322
Description ........................................................... ..322
CONSULT-III Reference Va lue in Data Monitor
Mode .................................................................... ..
322
Diagnosis Procedure ........................................... ..322
TROUBLE DIAGNOSIS FOR SYMPTOMS .... 323
Wiring Diagram - CVT - NONDTC ....................... ..323
O/D OFF Indicator Lamp Does Not Come On ..... ..325
Engine Cannot Be Started in "P" and "N" Position ..327
In "P" Position, Vehicle Moves Forward or Back-
ward When Pushed ............................................. ..
327
In "N" Position, Vehicle Moves ............................ ..328
Large Shock "N" → "R" Position .......................... ..328
Vehicle Does Not Creep Backward in "R" Position ..329
Vehicle Does Not Creep Forward in "D" or "L" Po-
sition .................................................................... ..
330
Vehicle Speed Does Not Change in "L" Position . ..331
Vehicle Speed Does Not Change in overdrive-off
mode .................................................................... ..
332
Vehicle Speed Does Not Change in "D" Position .. 333
Vehicle Does Not Decelerate by Engine Brake ... ..333

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SERVICE INFORMATION
INDEX FOR DTC
Alphabetical Index INFOID:0000000004666851
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-60 .
*1: These numbers are prescribed by SAE J2012.
*2: Models without ABS does not indicate.
DTC No. Index INFOID:0000000004666852
NOTE: 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-97ATF TEMP SEN/CIRC P0710 P0710
CVT-75BELT DAMG — P0730
CVT-91BRAKE SW/CIRC — P0703
CVT-67CAN COMM CIRCU
IT U1000 U1000 CVT-60CONTROL UNIT(CAN) U1010 U1010
CVT-63CVT SPD SEN/FNCTN — P1723
CVT-133ENGINE SPEED SIG — P0725
CVT-89ELEC TH CONTROL — P1726
CVT-135ESTM VEH SPD SIG*
2
— P1722CVT-131INPUT SPD SEN/CIRC P0715 P0715
CVT-80L/PRESS CONTROL — P1745
CVT-140L/PRESS SOL/CIRC P0745 P0745
CVT-99LU-SLCT SOL/CIRC P1740 P1740
CVT-136PNP SW/CIRC P0705 P0705
CVT-69PRESS SEN/FNCTN — P0841
CVT-117PRS CNT SOL/A FCTN P0746 P0746
CVT-104PRS CNT SOL/B CIRC P0778 P0778
CVT-108PRS CNT SOL/B FCTN P0776 P0776
CVT-106SEC/PRESS DOWN — P0868
CVT-123STARTER RELAY/CIRC — P0615
CVT-64STEP MOTR CIRC P1777 P1777
CVT-141STEP MOTR/FNC P1778 P1778
CVT-145TCC SOLENOID/CIRC P0740 P0740
CVT-92TCM-POWER SUPPLY — P1701
CVT-125TP SEN/CIRC A/T — P1705
CVT-129TR PRS SENS/A CIRC P0840 P0840
CVT-113TR PRS SENS/B CIRC P0845 P0845
CVT-119VEH SPD SEN/CIR AT P0720 P0720
CVT-84

.
*1: These numbers are pr escribed by SAE J2012.
*2: Models without ABS does not indicate. DTC
Items
(CONSULT-III screen terms) Reference page
OBD-II Except OBD-II
CONSULT-III GST* 1 CONSULT-III only
“TRANSMISSION”
— P0615 STARTER RELAY/CIRC CVT-64— P0703 BRAKE SW/CIRC
CVT-67P0705 P0705 PNP SW/CIRC
CVT-69P0710 P0710 ATF TEMP SEN/CIRC
CVT-75P0715 P0715 INPUT SPD SEN/CIRC
CVT-80P0720 P0720 VEH SPD SEN/CIR AT
CVT-84— P0725 ENGINE SPEED SIG
CVT-89— P0730 BELT DAMG
CVT-91P0740 P0740 TCC SOLENOID/CIRC
CVT-92P0744 P0744 A/T TCC S/V FNCTN
CVT-97P0745 P0745 L/PRESS SOL/CIRC
CVT-99P0746 P0746 PRS CNT SOL/A FCTN
CVT-104P0776 P0776 PRS CNT SOL/B FCTN
CVT-106P0778 P0778 PRS CNT SOL/B CIRC
CVT-108P0840 P0840 TR PRS SENS/A CIRC
CVT-113— P0841 PRESS SEN/FNCTN
CVT-117P0845 P0845 TR PRS SENS/B CIRC
CVT-119— P0868 SEC/PRESS DOWN
CVT-123— P1701 TCM-POWER SUPPLY
CVT-125— P1705 TP SEN/CIRC A/T
CVT-129— P1722
ESTM VEH SPD SIG*2
CVT-131— P1723 CVT SPD SEN/FNCTN
CVT-133— P1726 ELEC TH CONTROL
CVT-135P1740 P1740 LU-SLCT SOL/CIRC
CVT-136— P1745 L/PRESS CONTROL
CVT-140P1777 P1777 STEP MOTR CIRC
CVT-141P1778 P1778 STEP MOTR/FNC
CVT-145U1000 U1000 CAN COMM CIRCUIT
CVT-60U1010 U1010 CONTROL UNIT(CAN)
CVT-63

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PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER" INFOID:0000000004800719
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:0000000004666854
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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Control System
INFOID:0000000004666866

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CONTROL SYSTEM DIAGRAM
CAN Communication INFOID:0000000004666869
SYSTEM DESCRIPTION CAN (Controller Area Network) is a serial communication li ne for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only. For details, refer to LAN-8," System Description " .

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Optimize the line pressure and secondary pressure, dependi
ng on driving conditions, on the basis of the throt-
tle position, the engine speed, the primary pulley (input ) revolution speed, the secondary pulley (output) revo-
lution speed, the brake signal, the PNP switch signal, the lock-up signal, the voltage, the target gear ratio, the
fluid temperature, and the fluid pressure.
FEEDBACK CONTROL When controlling the normal fluid pressure or the sele cted fluid pressure, the secondary pressure can be set
more accurately by using the fluid pressure sensor to detect the secondary pressure and controlling the feed-
back.
Shift Control INFOID:0000000004666872
In order to select the gear ratio which can obtain the dr iving force in accordance with driver's intention and the
vehicle condition, TCM monitors the driving conditions, such as the vehicle speed and the throttle position and
selects the optimum gear ratio, and determines the gear change steps to the gear ratio. Then send the com-
mand to the step motor, and control the flow-in/flow-out of line pressure from the primary pulley to determine
the position of the moving-pul ley and control the gear ratio.
NOTE:
The gear ratio is set for every position separately.
“D” POSITION Shifting over all the ranges of gear ra tios from the lowest to the high-
est.
OVERDRIVE-OFF MODE Use this position for the improved engine braking.
“L” POSITION