2009 NISSAN LATIO Service Repair Manual

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NISSAN LATIO 2009 Service Repair Manual CVT
N
O P
CONTENTS
CVT
RE0F08A
SERVICE INFORMATION .. ..........................
9
INDEX FOR DTC ............................................ .....9
Alphabetical Index .............................

CVT
N
O P
CONTENTS
CVT
RE0F08A
SERVICE INFORMATION .. ..........................
9
INDEX FOR DTC ............................................ .....9
Alphabetical Index ............................................... ......9
DTC No. Index .................................................... ......9
PRECAUTIONS .............................................. ....11
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ....
11
Precaution Necessary fo r Steering Wheel Rota-
tion After Battery Disconnect ............................... ....
11
Precaution for On Board Diagnosis (OBD) System
of CVT and Engine .............................................. ....
12
Service After Replacing TCM and Transaxle As-
sembly ................................................................. ....
12
Removal and Installation Procedure for CVT Unit
Connector ............................................................ ....
13
Precaution ........................................................... ....14
Service Notice or Precaution ............................... ....15
PREPARATION .............................................. ....16
Special Service Tool ........................................... ....16
Commercial Service Tool .................................... ....16
CVT FLUID ..................................................... ....17
Checking CVT Fluid ............................................ ....17
Changing CVT Fluid ............................................ ....18
CVT Fluid Cooler Cleanin g .....................................18
CVT SYSTEM ... .............................................. ....22
Cross-Sectional View - RE0F08A ....................... ....22
Control System .................................................... ....23
Hydraulic Control System ........................................24
TCM Function ...................................................... ....24
CAN Communication ........................................... ....25
Input/Output Signal of TCM ................................. ....26
Line Pressure and Secondary Pressure Control . ....26
Shift Control ........................................................ ....27
Lock-up and Select Control ................................. ....28 Control Valve .......................................................
....29
ON BOARD DIAGNOSTIC (OBD) SYSTEM .... 30
Introduction .......................................................... ....30
OBD-II Function for CVT System ........................ ....30
One or Two Trip Detection Logic of OBD-II ......... ....30
OBD-II Diagnostic Trouble Code (DTC) .............. ....30
Malfunction Indicator Lamp (MIL) ............................31
TROUBLE DIAGNOSIS .................................... 33
DTC Inspection Priority Chart .............................. ....33
Fail-Safe .............................................................. ....33
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ................................................... ....
34
CVT Electrical Parts Location .............................. ....39
Circuit Diagram .................................................... ....40
Inspections before Trouble Diagnosis ................. ....40
Road Test ............................................................ ....44
Check before Engine Is Started ........................... ....45
Check at Idle ........................................................ ....45
Cruise Test .......................................................... ....47
Vehicle Speed When Shifting Gears ................... ....49
TCM Terminal and Refere nce Value .......................49
CONSULT-III Function (TRANSMISSION) .......... ....51
Diagnosis Procedure withou t CONSULT-III ............59
DTC U1000 CAN COMMUNICATION LINE ..... 60
Description ........................................................... ....60
On Board Diagnosis Logic ................................... ....60
Possible Cause .................................................... ....60
DTC Confirmation Procedure .............................. ....60
Wiring Diagram - CVT - CAN ............................... ....61
Diagnosis Procedure ........................................... ....62
DTC U1010 TRANSMISSION CONTROL
MODULE (CAN) ................................................ 63
Description ........................................................... ....63
On Board Diagnosis Logic ................................... ....63
Possible Cause .................................................... ....63
DTC Confirmation Procedure .............................. ....63
Diagnosis Procedure ........................................... ....63

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NISSAN LATIO 2009 Service Repair Manual CVT
N
O
P
N
Description ..........................................................
..
104
CONSULT-III Refe rence Value in Data Monitor
Mode .........................................................

CVT
N
O
P
N
Description ..........................................................
..
104
CONSULT-III Refe rence Value in Data Monitor
Mode ................................................................... ..
104
On Board Diagnosis Logic .................................. ..104
Possible Cause ................................................... ..104
DTC Confirmation Procedure .............................. ..104
Diagnosis Procedure ........................................... ..104
DTC P0776 PRESSURE CONTROL SOLE-
NOID B PERFORMANCE (SEC PRESSURE
SOLENOID VALVE) ....................................... ..106
Description .......................................................... ..106
CONSULT-III Refe rence Value in Data Monitor
Mode ................................................................... ..
106
On Board Diagnosis Logic .................................. ..106
Possible Cause ................................................... ..106
DTC Confirmation Procedure .............................. ..106
Diagnosis Procedure ........................................... ..106
DTC P0778 PRESSURE CONTROL SOLE-
NOID B ELECTRICAL (SEC PRESSURE SO-
LENOID VALVE) ............................................ ..
108
Description .......................................................... ..108
CONSULT-III Refe rence Value in Data Monitor
Mode ................................................................... ..
108
On Board Diagnosis Logic .................................. ..108
Possible Cause ................................................... ..108
DTC Confirmation Procedure .............................. ..108
Wiring Diagram - CVT - SECPSV .........................109
Diagnosis Procedure ........................................... ..110
Component Inspection ........................................ ..111
DTC P0840 TRANSMISSION FLUID PRES-
SURE SENSOR A CIRCUIT (SEC PRES-
SURE SENSOR) ............................................. ..
113
Description .......................................................... ..113
CONSULT-III Refe rence Value in Data Monitor
Mode ................................................................... ..
113
On Board Diagnosis Logic .................................. ..113
Possible Cause ................................................... ..113
DTC Confirmation Procedure .............................. ..113
Wiring Diagram - CVT - SECPS .......................... ..114
Diagnosis Procedure ........................................... ..115
DTC P0841 PRESSURE SENSOR FUNC-
TION ............................................................... ..
117
Description .......................................................... ..117
CONSULT-III Refe rence Value in Data Monitor
Mode ................................................................... ..
117
On Board Diagnosis Logic .................................. ..117
Possible Cause ................................................... ..117
DTC Confirmation Procedure .............................. ..117
Diagnosis Procedure ........................................... ..117
DTC P0845 TRANSMISSION FLUID PRES-
SURE SENSOR B CIRCUIT (PRI PRESSURE
SENSOR) ........................................................ ..119
Description .......................................................... ..119 CONSULT-III Reference Va
lue in Data Monitor
Mode .................................................................... ..
119
On Board Diagnosis Logic ................................... ..119
Possible Cause .................................................... ..119
DTC Confirmation Procedure .............................. ..119
Wiring Diagram - CVT - PRIPS ........................... ..120
Diagnosis Procedure ........................................... ..121
DTC P0868 SECONDARY PRESSURE
DOWN ............................................................. 123
Description ........................................................... ..123
CONSULT-III Reference Va lue in Data Monitor
Mode .................................................................... ..
123
On Board Diagnosis Logic ................................... ..123
Possible Cause .................................................... ..123
DTC Confirmation Procedure .............................. ..123
Diagnosis Procedure ........................................... ..123
DTC P1701 TRANSMISSION CONTROL
MODULE (POWER SUPPLY) ......................... 125
Description ........................................................... ..125
On Board Diagnosis Logic ................................... ..125
Possible Cause .................................................... ..125
DTC Confirmation Procedure .............................. ..125
Wiring Diagram - CVT - POWER ......................... ..126
Diagnosis Procedure ........................................... ..127
DTC P1705 THROTTLE POSITION SENSOR .129
Description ........................................................... ..129
CONSULT-III Reference Va lue in Data Monitor
Mode .................................................................... ..
129
On Board Diagnosis Logic ................................... ..129
Possible Cause .................................................... ..129
DTC Confirmation Procedure .............................. ..129
Diagnosis Procedure ........................................... ..129
DTC P1722 ESTM VEHICLE SPEED SIGNAL .131
Description ........................................................... ..131
CONSULT-III Reference Va lue in Data Monitor
Mode .................................................................... ..
131
On Board Diagnosis Logic ................................... ..131
Possible Cause .................................................... ..131
DTC Confirmation Procedure .............................. ..131
Diagnosis Procedure ........................................... ..131
DTC P1723 CVT SPEED SENSOR FUNC-
TION ................................................................ 133
Description ........................................................... ..133
On Board Diagnosis Logic ................................... ..133
Possible Cause .................................................... ..133
DTC Confirmation Procedure .............................. ..133
Diagnosis Procedure ........................................... ..133
DTC P1726 ELECTRIC THROTTLE CON-
TROL SYSTEM ............................................... 135
Description ........................................................... ..135
On Board Diagnosis Logic ................................... ..135
Possible Cause .................................................... ..135
DTC Confirmation Procedure .............................. ..135
Diagnosis Procedure ........................................... ..135

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NISSAN LATIO 2009 Service Repair Manual CVT
N
O
P
N
Precaution Necessary fo
r Steering Wheel Rota-
tion After Battery Disconnect ............................... ..
189
Precaution for On Board Diagnosis (OBD) System
of CVT and Engine .....

CVT
N
O
P
N
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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NISSAN LATIO 2009 Service Repair Manual CVT
N
O
P
N
Description ..........................................................
..
293
CONSULT-III Refe rence Value in Data Monitor
Mode .........................................................

CVT
N
O
P
N
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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