2009 NISSAN LATIO Service Repair Manual

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Page 1137 of 4331

NISSAN LATIO 2009 Service Repair Manual PRECAUTIONS
CVT-193
< SERVICE INFORMATION >
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Before connecting or disconn ecting the TCM harness connec-
tor, turn ignition switch OF F and disconn

Page 1138 of 4331

NISSAN LATIO 2009 Service Repair Manual CONSULT-III
Function (TRANSMISSION) " for the indicator used to display each self-diagnostic result.
• The self-diagnostic results indicated by the MIL ar e automatically stored in both the ECM and

Page 1139 of 4331

NISSAN LATIO 2009 Service Repair Manual PREPARATION
CVT-195
< SERVICE INFORMATION >
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PREPARATION
Special Service Tool INFOID:0000000004305568
The actual shapes of Kent-Moore tools may differ fr om

Page 1140 of 4331

NISSAN LATIO 2009 Service Repair Manual CVT-196< SERVICE INFORMATION >
[RE0F08B]
CVT FLUID
CVT FLUID
Checking CVT Fluid INFOID:0000000004305570
FLUID LEVEL CHECK
Fluid level should be checked with the fluid warmed up to 50 ° to 80 °C (122

Page 1141 of 4331

NISSAN LATIO 2009 Service Repair Manual CVT FLUID
CVT-197
< SERVICE INFORMATION >
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FLUID CONDITION CHECK
Changing CVT Fluid INFOID:0000000004305571
1. Warm up CVT fluid by driving the vehicle for 1

CVT FLUID
CVT-197
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FLUID CONDITION CHECK
Changing CVT Fluid INFOID:0000000004305571
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 specifi ed 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-196, " Checking CVT Fluid " .
CAUTION:
Delete CVT fluid deterioration date with CO NSULT-III after changing CVT fluid. Refer to CVT-230," CONSULT-III Function (TRANSMISSION) " .
CVT Fluid Cooler Cleaning INFOID:0000000004305572
Whenever a CVT is repaired, overhauled, or replaced, t he 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 cool er 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. Fluid status Conceivable cause Required operation
Varnished (viscous
varnish state) Clutch, brake
scorched Replace the CVT fluid and check the
CVT main unit and the vehicle for
malfunctions (wire harness, cooler
pipes, etc.)
Milky white or cloudy Water in the fluid Replace the CVT fluid and check for places where water is getting in.
Large amount of
metal powder mixed
in fluid Unusual wear of
sliding parts within
CVT Replace the CVT fluid and check for
improper operation of the CVT. ATA0022D
Fluid capacity and grade: Refer to
MA-14, " Fluids
and Lubricants " .
SCIA6088E

Page 1142 of 4331

NISSAN LATIO 2009 Service Repair Manual CVT-198< SERVICE INFORMATION >
[RE0F08B]
CVT FLUID
3. Disconnect the fluid cooler inle t and outlet rubber hoses from the
steel cooler tubes.
NOTE:
Replace the cooler hoses if rubber material f

CVT-198< SERVICE INFORMATION >
[RE0F08B]
CVT FLUID
3. Disconnect the fluid cooler inle t 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
(71 to 128 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
(71 to 128 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 FLUID COOLER DIAGNOSIS PROCEDURE".
CVT FLUID COOLER DIAGNOSIS PROCEDURE
NOTE:
Insufficient cleaning of the cooler inlet hose exte rior 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. SCIA4421E
SCIA4422E
SCIA4423E

Page 1143 of 4331

NISSAN LATIO 2009 Service Repair Manual CVT FLUID
CVT-199
< SERVICE INFORMATION >
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3. Insert the extension adapter hose of a can of Transmission
Cooler Cleaner (Nissan P/N 999MP-AM006) int

Page 1144 of 4331

NISSAN LATIO 2009 Service Repair Manual CVT-200< SERVICE INFORMATION >
[RE0F08B]
CVT FLUID
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

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