2007 NISSAN LATIO Fluid

CVT-5
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MA
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CVT
Revision: June 20062007 Versa SYMPTOM: ....................................................... 182
DIAGNOSTIC PROCEDURE ............................ 182
In “N” Position, Vehicle Moves ............................. 182
SYMPTOM: ....................................................... 182
DIAGNOSTIC PROCEDURE ............................ 182
Large Shock “N” → “R” Position ........................... 183
SYMPTOM: ....................................................... 183
DIAGNOSTIC PROCEDURE ............................ 183
Vehicle Does Not Creep Backward in “R” Position . 184
SYMPTOM: ....................................................... 184
DIAGNOSTIC PROCEDURE ............................ 184
Vehicle Does Not Creep Forward in “D” or “L” Posi-
tion ....................................................................... 185
SYMPTOM: ....................................................... 185
DIAGNOSTIC PROCEDURE ............................ 185
Vehicle Speed Does Not Change in “L” Position .. 186
SYMPTOM: ....................................................... 186
DIAGNOSTIC PROCEDURE ............................ 186
Vehicle Speed Does Not Change in overdrive-off
mode .................................................................... 187
SYMPTOM: ....................................................... 187
DIAGNOSTIC PROCEDURE ............................ 187
Vehicle Speed Does Not Change in “D” Position . 188
SYMPTOM: ....................................................... 188
DIAGNOSTIC PROCEDURE ............................ 188
Vehicle Does Not Decelerate by Engine Brake .... 189
SYMPTOM: ....................................................... 189
DIAGNOSTIC PROCEDURE ............................ 189
TRANSMISSION CONTROL MODULE ................. 190
Removal and Installation ...................................... 190
COMPONENTS ................................................ 190
REMOVAL ......................................................... 190
INSTALLATION ................................................. 190
SHIFT CONTROL SYSTEM ................................... 191
Removal and Installation ...................................... 191
CONTROL DEVICE COMPONENTS ............... 191
CONTROL CABLE COMPONENTS ................. 192
REMOVAL ......................................................... 192
INSTALLATION ................................................. 194
Control Device Disassembly and Assembly ......... 194
DISASSEMBLY ................................................. 194ASSEMBLY .......................................................194
Selector Lever Knob Removal and Installation .....195
REMOVAL .........................................................195
INSTALLATION .................................................195
Adjustment of CVT Position ..................................195
Checking of CVT Position .....................................196
CVT SHIFT LOCK SYSTEM ...................................197
Description ............................................................197
Shift Lock System Electrical Parts Location .........197
Wiring Diagram — CVT — SHIFT ........................198
Diagnostic Procedure ...........................................199
KEY INTERLOCK CABLE ......................................202
Removal and Installation ......................................202
COMPONENTS .................................................202
REMOVAL .........................................................202
INSTALLATION .................................................203
AIR BREATHER HOSE ..........................................205
Removal and Installation ......................................205
REMOVAL .........................................................205
INSTALLATION .................................................205
DIFFERENTIAL SIDE OIL SEAL ............................206
Removal and Installation ......................................206
COMPONENTS .................................................206
REMOVAL .........................................................206
INSTALLATION .................................................206
TRANSAXLE ASSEMBLY ......................................207
Removal and Installation ......................................207
COMPONENTS .................................................207
REMOVAL .........................................................207
INSTALLATION .................................................208
SERVICE DATA AND SPECIFICATIONS (SDS) ....210
General Specifications ..........................................210
Vehicle Speed When Shifting Gears ....................210
Stall Speed ...........................................................210
Line Pressure .......................................................210
Solenoid Valves ....................................................210
CVT Fluid Temperature Sensor ............................211
Primary Speed Sensor .........................................211
Secondary Speed Sensor .....................................211
Removal and Installation ......................................211

PRECAUTIONS
CVT-13
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CVT
Revision: June 20062007 Versa
Precautions UCS005XJ
NOTE:
If any malfunction occurs in the RE0F08A model transaxle, replace the entire transaxle assembly.

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.

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.

Before replacing TCM, perform TCM input/output signal
inspection and make sure whether TCM functions properly
or not. CVT-54, "
TCM INSPECTION TABLE".

After performing each TROUBLE DIAGNOSIS, perform
“DTC Confirmation Procedure”.
If the repair is completed the DTC should not be displayed
in the “DTC Confirmation Procedure”.

Always use the specified brand of CVT fluid. Refer to MA-11,
"Fluids and Lubricants" .

Use lint-free paper, not cloth rags, during work.

After replacing the CVT fluid, dispose of the waste oil using the
methods prescribed by law, ordinance, etc.
Service Notice or PrecautionsUCS005XK
CVT FLUID COOLER SERVICE
If CVT fluid contains friction material (clutches, brakes, etc.), or if an CVT is replaced, inspect and clean the
CVT fluid cooler mounted in the radiator or replace the radiator. Flush cooler lines using cleaning solvent and
compressed air after repair. For CVT fluid cooler cleaning procedure, refer to CVT-18, "
CVT Fluid Cooler
Cleaning" . For radiator replacement, refer to CO-11, "RADIATOR" .
SEF 2 89 H
SEF 2 91 H
MEF040DA
SEF 2 17 U

CVT-16
CVT FLUID
Revision: June 20062007 Versa
CVT FLUIDPFP:KLE50
Checking CVT FluidUCS005XN
FLUID LEVEL CHECK
Fluid level should be checked with the fluid warmed up to 50 to 80°C (122 to 176°F).
1. Check for fluid leakage.
2. With the engine warmed up, drive the vehicle to warm up the
CVT fluid. When ambient temperature is 20°C (68°F), it takes
about 10 minutes for the CVT fluid to warm up to 50 to 80°C
(122 to 176°F).
3. Park the vehicle on a level surface and set the parking brake.
4. With engine at idle, while depressing brake pedal, move the
selector lever throughout the entire shift range and return it to
the “P” position.
5. Press the tab on the CVT fluid level gauge to release the lock
and pull out the CVT fluid level gauge from the CVT fluid charg-
ing pipe.
6. Wipe fluid off the CVT fluid level gauge. Then rotate the CVT
fluid level gauge 180° and re-insert it into the CVT charging pipe
as far as it will go.
CAUTION:
Always use lint free paper towels to wipe fluid off the CVT
fluid level gauge.
7. Remove the CVT fluid level gauge and check that the fluid level
is within the specified range as shown. If the fluid level is at or
below the low side of the range, add the necessary specified
NISSAN CVT fluid through the CVT charging pipe.
CAUTION:

Only use specified NISSAN CVT fluid.

Do not overfill the CVT.
8. Install the CVT fluid level gauge to the CVT fluid charging pipe until it locks.
CAUTION:
When CVT fluid level gauge is installed into the CVT fluid charging pipe, make sure that the CVT
fluid level gauge is securely locked in place.
SM A14 6B
SCIA1933E
SCIA1931E
Fluid grade: Refer to MA-11, "Fluids and Lubri-
cants" .
SCIA1932E

CVT FLUID
CVT-17
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CVT
Revision: June 20062007 Versa
FLUID CONDITION CHECK
Changing CVT FluidUCS005XO
1. Warm up CVT fluid by driving the vehicle for 10 minutes.

: Vehicle front

Radiator (2)

CVT fluid cooler hose [inlet side (3)]

Transaxle assembly (4)
2. Drain CVT fluid from CVT fluid cooler hose [outlet side (1)] and
refill with new specified NISSAN CVT fluid in the CVT fluid
charging pipe with the engine running at idle speed.
CAUTION:
Only use the specified NISSAN CVT fluid.
3. Refill until new CVT fluid comes out from CVT fluid cooler hose [outlet side (1)].
NOTE:
About 30 to 50% extra fluid will be required for this procedure.
4. Check fluid level and condition. Refer to CVT-16, "
Checking CVT Fluid" .
CAUTION:
Delete CVT fluid deterioration date with CONSULT-II after changing CVT fluid. Refer to CVT-60,
"Check CVT Fluid Deterioration Date" .
Fluid status Conceivable cause Required operation
Varnished (viscous
varnish state)Clutch, brake
scorchedReplace the CVT fluid and check the
CVT main unit and the vehicle for
malfunctions (wire harness, cooler
pipes, etc.)
Milky white or
cloudyWater in the fluid Replace the CVT fluid and check for
places where water is getting in.
Large amount of
metal powder mixed
in fluidUnusual wear of
sliding parts within
CVTReplace the CVT fluid and check for
improper operation of the CVT.
ATA0022D
Fluid capacity and grade: Refer to MA-11, "Fluids
and Lubricants" .SCIA6088E

CVT-18
CVT FLUID
Revision: June 20062007 Versa
CVT Fluid Cooler CleaningUCS005XP
Whenever a CVT is repaired, overhauled, or replaced, the CVT fluid cooler mounted in the radiator must be
inspected and cleaned.
Metal debris and friction material, if present, can be trapped or become deposit in the CVT fluid cooler. This
debris can contaminate the newly serviced CVT or, in severe cases, can block or restrict the flow of CVT fluid.
In either case, malfunction of the newly serviced CVT may occur.
Debris, if present, may deposit as CVT fluid enters the cooler inlet. It will be necessary to back flush the cooler
through the cooler outlet in order to flush out any built up debris.
CVT FLUID COOLER CLEANING PROCEDURE
1. Identify the CVT inlet and outlet fluid cooler hoses.
2. Position an oil pan under the inlet and outlet cooler hoses.
3. Disconnect the fluid cooler inlet and outlet rubber hoses from the
steel cooler tubes.
NOTE:
Replace the cooler hoses if rubber material from the hose
remains on the tube fitting.
4. Allow any CVT fluid that remains in the cooler hoses to drain into
the oil pan.
5. Insert the extension adapter hose of a can of Transmission
Cooler Cleaner (Nissan P/N 999MP-AM006) into the cooler out-
let hose.
CAUTION:

Wear safety glasses and rubber gloves when spraying
the Transmission Cooler Cleaner.

Spray Transmission Cooler Cleaner only with adequate
ventilation.

Avoid contact with eyes and skin.

Do not breath vapors or spray mist.
6. Hold the hose and can as high as possible and spray Transmis-
sion Cooler Cleaner in a continuous stream into the cooler outlet hose until CVT fluid flows out of the
cooler inlet hose for 5 seconds.
7. Insert the tip of an air gun into the end of the cooler outlet hose.
8. Wrap a shop rag around the air gun tip and of the cooler outlet
hose.
9. Blow compressed air regulated to 5 to 9 kg/cm
2 (70 to 130 psi)
through the cooler outlet hose for 10 seconds to force out any
remaining CVT fluid.
10. Repeat steps 5 through 9 three additional times.
11. Position an oil pan under the banjo bolts that connect the CVT
fluid cooler steel lines to the transaxle.
12. Remove the banjo bolts.
13. Flush each steel line from the cooler side back toward the tran-
saxle by spraying Transmission Cooler Cleaner in a continuous stream for 5 seconds.
14. Blow compressed air regulated to 5 to 9 kg/cm
2 (70 to 130 psi) through each steel line from the cooler
side back toward the transaxle for 10 seconds to force out any remaining CVT fluid.
15. Ensure all debris is removed from the steel cooler lines.
16. Ensure all debris is removed from the banjo bolts and fittings.
17. Perform CVT-19, "
CVT FLUID COOLER DIAGNOSIS PROCEDURE" .
SCIA4421E
SCIA4422E
SCIA4423E

CVT FLUID
CVT-19
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MA
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CVT
Revision: June 20062007 Versa
CVT FLUID COOLER DIAGNOSIS PROCEDURE
NOTE:
Insufficient cleaning of the cooler inlet hose exterior may lead to inaccurate debris identification.
1. Position an oil pan under the transaxle's inlet and outlet cooler hoses.
2. Clean the exterior and tip of the cooler inlet hose.
3. Insert the extension adapter hose of a can of Transmission
Cooler Cleaner (Nissan P/N 999MP-AM006) into the cooler out-
let hose.
CAUTION:

Wear safety glasses and rubber gloves when spraying
the Transmission Cooler Cleaner.

Spray Transmission Cooler Cleaner only with adequate
ventilation.

Avoid contact with eyes and skin.

Do not breath vapors or spray mist.
4. Hold the hose and can as high as possible and spray Transmis-
sion Cooler Cleaner in a continuous stream into the cooler outlet hose until CVT fluid flows out of the
cooler inlet hose for 5 seconds.
5. Tie a common white, basket-type coffee filter to the end of the
cooler inlet hose.
6. Insert the tip of an air gun into the end of the cooler outlet hose.
7. Wrap a shop rag around the air gun tip and end of cooler outlet
hose.
8. Blow compressed air regulated to 5 to 9 kg/cm
2 (70 to 130 psi)
through the cooler outlet hose to force any remaining CVT fluid
into the coffee filter.
9. Remove the coffee filter from the end of the cooler inlet hose.
10. Perform CVT-20, "
CVT FLUID COOLER INSPECTION PROCE-
DURE" .
SCIA4421E
SCIA4424E
SCIA4425E

CVT-20
CVT FLUID
Revision: June 20062007 Versa
CVT FLUID COOLER INSPECTION PROCEDURE
1. Inspect the coffee filter for debris.
a. If small metal debris less than 1 mm (0.040 in) in size or metal
powder is found in the coffee filter, this is normal. If normal
debris is found, the CVT fluid cooler/radiator can be re-used and
the procedure is ended.
b. If one or more pieces of debris are found that are over 1 mm
(0.040 in) in size and/or peeled clutch facing material is found in
the coffee filter, the fluid cooler is not serviceable. The radiator/
fluid cooler must be replaced and the inspection procedure is
ended.
CVT FLUID COOLER FINAL INSPECTION
After performing all procedures, ensure that all remaining oil is cleaned from all components.
SCIA2967E
SCIA7031E

CVT-24
CVT SYSTEM
Revision: June 20062007 Versa
TCM FunctionUCS005XT
The function of the TCM is to:

Receive input signals sent from various switches and sensors.

Determine required line pressure, shifting point, and lock-up operation.

Send required output signals to the step motor and the respective solenoids.
CONTROL SYSTEM OUTLINE
The CVT senses vehicle operating conditions through various sensors. It always controls the optimum shift
position and reduces shifting and lock-up shocks.
CONTROL SYSTEM DIAGRAM
SENSORS (or SIGNAL)


TCM


ACTUATORS
PNP switch
Accelerator pedal position signal
Closed throttle position signal
Engine speed signal
CVT fluid temperature sensor
Vehicle speed signal
Overdrive control signal
Stop lamp switch signal
Primary speed sensor
Secondary speed sensor
Primary pressure sensor
Secondary pressure sensorShift control
Line pressure control
Primary pressure control
Secondary pressure control
Lock-up control
Engine brake control
Vehicle speed control
Fail-safe control
Self-diagnosis
CONSULT-II communication line
Duet-EA control
CAN system
On board diagnosisStep mo to r
Torque converter clutch solenoid
valve
Lock-up select solenoid valve
Line pressure solenoid valve
Secondary pressure solenoid
valve
Shift position indicator
O/D OFF indicator lamp
Starter relay
SCIA7933E