2010 NISSAN LATIO check transmission fluid

CVT-110
< SERVICE INFORMATION >[RE0F08B]
P0841 TRANSMISSION FLUID PRESSURE SEN/SW A
Without CONSULT-III
1. Start engine.
2. Check voltage between TCM connector terminals and ground.
OK or NG
OK >> GO TO 6.
NG >> GO TO 3.
3.CHECK LINE PRESSURE
Perform line pressure test. Refer to CVT-37, "
Inspections before Trouble Diagnosis".
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts. Refer to CVT-37, "
Inspections before Trouble Diagnosis".
4.CHECK SECONDARY PRESSURE SENSOR SYSTEM
Check secondary pressure sensor system. Refer to CVT-105
.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5.DETECT MALFUNCTIONING ITEM
Check the following:
• Line pressure solenoid valve. Refer to CVT-94, "
Component Inspection".
• Step motor. Refer to CVT-132, "
Component Inspection".
OK or NG6
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
6.CHECK DTC
Perform CVT-109, "
DTC Confirmation Procedure".
OK or NG
OK >> INSPECTION END
NG >> Replace TCM or transaxle assembly. Refer to CVT-173, "
Removal and Installation".
Item name ConditionDisplay value (Approx.)
PRI HYDR SEN “N” position idle 0.7 V
SEC HYDR SEN 1.0 V
Name Connector Terminal Condition Voltage
(Approx.)
Secondary pres-
sure sensor E32 37 - Ground “N” position idle 1.0 V
AWDIA0650GB
Revision: January 20102010 Versa

P0868 TRANSMISSION FLUID PRESSURECVT-111
< SERVICE INFORMATION > [RE0F08B]
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P0868 TRANSMISSION FLUID PRESSURE
DescriptionINFOID:0000000005397913
• The secondary pressure solenoid valve is included in the control valve assembly.
• The secondary pressure solenoid valve regulates the secondary pressure to suit the driving condition in
response to a signal sent from the TCM.
CONSULT-III Reference Val ue in Data Monitor ModeINFOID:0000000005397914
Remarks: Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000005397915
• This is not an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0868” with CONSULT-III is det ected when secondary fluid pressure is too low
compared with the commanded value while driving.
Possible CauseINFOID:0000000005397916
• Harness or connectors (Solenoid circuit is open or shorted.)
• Secondary pressure solenoid valve system
• Secondary pressure sensor
• Line pressure control system
DTC Confirmation ProcedureINFOID:0000000005397917
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MO NITOR” mode for “TRANSMISSION” with CONSULT-III.
2. Make sure that output voltage of CVT fluid temperature sensor is within the range below.
ATF TEMP SEN: 1.0 - 2.0 V
If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to
increase the voltage (c ool down the fluid)
3. Start engine and maintain the following conditions for at least 10 consecutive seconds. VEHICLE SPEED (accelerate slowly): 0 → 50 km/h (31 MPH)
ACC PEDAL OPEN: 0.5/8 - 1.0/8
RANGE: “D” position
4. If DTC is detected, go to CVT-111, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000005397918
1.CHECK INPUT SIGNAL
With CONSULT-III
1. Start engine.
2. Select “MAIN SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Start vehicle and read out the value of “SEC PRESS”.
OK or NG
Item name Condition Display value (Approx.)
SEC PRESS “N” position idle 0.8 MPa
Item nameConditionDisplay value (Approx.)
SEC PRESS “N” position idle0.8 MPa
Revision: January 20102010 Versa

CVT-112
< SERVICE INFORMATION >[RE0F08B]
P0868 TRANSMISSION FLUID PRESSURE
OK >> GO TO 5.
NG >> GO TO 2.
2.CHECK LINE PRESSURE
Perform line pressure test. Refer to CVT-37, "
Inspections before Trouble Diagnosis".
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts. Refer to CVT-37, "
Inspections before Trouble Diagnosis".
3.DETECT MALFUNCTIONING ITEM
Check the following:
• Secondary pressure solenoid valve. Refer to CVT-103, "
Component Inspection".
• Line pressure solenoid valve. Refer to CVT-94, "
Component Inspection".
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4.CHECK SECONDARY PRESSURE SENSOR SYSTEM
Check secondary pressure sensor system. Refer to CVT-105
.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5.DETECT MALFUNCTIONING ITEM
Check the following:
• Power supply and ground circuit for TCM. Refer to CVT-114, "
Wiring Diagram - CVT - POWER".
• The TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
6.CHECK DTC
Perform CVT-111, "
DTC Confirmation Procedure".
OK or NG
OK >> INSPECTION END
NG >> Replace the transaxle assembly. Refer to CVT-173, "
Removal and Installation".
Revision: January 20102010 Versa

CVT-128
< SERVICE INFORMATION >[RE0F08B]
P1745 LINE PRESSURE CONTROL
P1745 LINE PRESSURE CONTROL
DescriptionINFOID:0000000005397955
The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in
response to a signal sent from the TCM.
On Board Diagn
osis LogicINFOID:0000000005397956
• This is not an OBD-II self-diagnostic item.
• Diagnostic trouble code “P1745” with CONSULT-III is detected when TCM detects the unexpected line pres-
sure.
Possible CauseINFOID:0000000005397957
TCM
DTC Confirmation ProcedureINFOID:0000000005397958
NOTE:
If “DTC Confirmation Procedure” has been previously performed, alw ays turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, touch “ERASE” on “SELF-DIAG RESULTS” and then perform the following procedure to con-
firm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MONI TOR” mode for “TRANSMISSION” with CONSULT-III.
2. Make sure that output voltage of CVT fluid temperature sensor is within the range below.
ATF TEMP SEN: 1.0 - 2.0 V
If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to
increase the voltage (cool down the fluid)
3. If DTC is detected, go to CVT-128, "
Diagnosis Procedure" .
Diagnosis ProcedureINFOID:0000000005397959
1.CHECK DTC
1. Turn ignition switch ON. (Do not start engine.)
2. Select “SELF-DIAG RESULTS” mode fo r “TRANSMISSION” with CONSULT-III.
3. Erase self-diagnostic results. Refer to CVT-27, "
OBD-II Diagnostic Trouble Code (DTC)".
4. Turn ignition switch OFF, and wait for 10 seconds or more.
5. Start engine.
6. Confirm self-diagnostic results again. Refer to CVT-48, "
CONSULT-III Function (TRANSMISSION)" .
Is the
“P1745” displayed?
YES >> Replace TCM. Refer to CVT-159, "Removal and Installation" .
NO >> INSPECTION END
Revision: January 20102010 Versa

CVT-146
< SERVICE INFORMATION >[RE0F08B]
TROUBLE DIAGNOSIS FOR SYMPTOMS
OK or NG
OK >>
INSPECTION END
NG >> Replace the transaxle assembly. Refer to CVT-173, "
Removal and Installation".
In "N" Position, Vehicle MovesINFOID:0000000005397986
SYMPTOM:
Vehicle moves forward or backward when selecting “N” position.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis check. Refer to CVT-48, "
CONSULT-III Function (TRANSMISSION)".
Do the self-diagnostic results indicate transmission range switch circuit?
YES >> Check transmission range switch circuit. Refer to CVT-62.
NO >> GO TO 2.
2.CHECK CVT POSITION
Check CVT position. Refer to CVT-164, "
Checking of CVT Position"
OK or NG
OK >> GO TO 3.
NG >> Adjust CVT position. Refer to CVT-164, "
Adjustment of CVT Position".
3.CHECK CVT FLUID LEVEL
Check CVT fluid level. Refer to CVT-14, "
Checking CVT Fluid".
OK or NG
OK >> GO TO 4.
NG >> Refill CVT fluid.
4.CHECK SYMPTOM
Check again. Refer to CVT-42, "
Check at Idle".
OK or NG
OK >> INSPECTION END
NG >> GO TO 5.
5.CHECK TCM
1. Check TCM input/output signals. Refer to CVT-46, "
TCM Terminal and Reference Value".
2. If NG, re-check TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> Replace the transaxle assembly. Refer to CVT-173, "Removal and Installation".
NG >> Repair or replace damaged parts.
Large Shock "N" → "R" PositionINFOID:0000000005397987
SYMPTOM:
There is large shock when shifting from “N” to “R” position.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis check. Refer to CVT-48, "
CONSULT-III Function (TRANSMISSION)".
Is any malfunction detec ted by self-diagnosis?
YES >> Check the malfunctioning system. Refer to CVT-48, "CONSULT-III Function (TRANSMISSION)".
NO >> GO TO 2.
2.CHECK ENGINE IDLE SPEED
Check the engine idle speed. Refer to EC-578, "
Idle Speed and Ignition Timing Check".
OK or NG
Revision: January 20102010 Versa

TROUBLE DIAGNOSIS FOR SYMPTOMSCVT-147
< SERVICE INFORMATION > [RE0F08B]
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OK >> GO TO 3.
NG >> Repair.
3.CHECK CVT FLUID LEVEL
Check CVT fluid level. Refer to CVT-14, "
Checking CVT Fluid".
OK or NG
OK >> GO TO 4.
NG >> Refill CVT fluid.
4.CHECK LINE PRESSURE
Check line pressure at idle. Refer to CVT-37, "
Inspections before Trouble Diagnosis".
OK or NG
OK >> GO TO 5.
NG >> Check the malfunctioning item. Refer to CVT-37, "
Inspections before Trouble Diagnosis".
5.SYMPTOM CHECK
Check again. Refer to CVT-42, "
Check at Idle".
OK or NG
OK >> INSPECTION END
NG >> GO TO 6.
6.CHECK TCM
1. Check TCM input/output signals. Refer to CVT-46, "
TCM Terminal and Reference Value".
2. If NG, re-check TCM pin terminals for dam age or loose connection with harness connector.
OK or NG
OK >> Replace the transaxle assembly. Refer to CVT-173, "Removal and Installation".
NG >> Repair or replace damaged parts.
Vehicle Does Not Creep Backward in "R" PositionINFOID:0000000005397988
SYMPTOM:
Vehicle does not creep backwar d when selecting “R” position.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis check. Refer to CVT-48, "
CONSULT-III Function (TRANSMISSION)".
Is any malfunction detected by self-diagnosis
YES >> Check the malfunctioning system. Refer to CVT-48, "CONSULT-III Function (TRANSMISSION)".
NO >> GO TO 2.
2.CHECK CVT POSITION
Check CVT position. Refer to CVT-164, "
Checking of CVT Position"
OK or NG
OK >> GO TO 3.
NG >> Adjust CVT position. Refer to CVT-164, "
Adjustment of CVT Position".
3.CHECK CVT FLUID LEVEL
Check CVT fluid level. Refer to CVT-14, "
Checking CVT Fluid".
OK or NG
OK >> GO TO 4.
NG >> Refill CVT fluid.
4.CHECK LINE PRESSURE
Check line pressure at idle. Refer to CVT-37, "
Inspections before Trouble Diagnosis".
OK or NG
OK >> GO TO 5.
Revision: January 20102010 Versa

CVT-148
< SERVICE INFORMATION >[RE0F08B]
TROUBLE DIAGNOSIS FOR SYMPTOMS
NG >> Check the malfunctioning item. Refer to
CVT-37, "Inspections before Trouble Diagnosis".
5.CHECK STALL REVOLUTION
Check stall revolution. Refer to CVT-37, "
Inspections before Trouble Diagnosis".
OK or NG
OK >> GO TO 6.
NG >> Check the malfunctioning item. Refer to CVT-37, "
Inspections before Trouble Diagnosis".
6.CHECK SYMPTOM
Check again. Refer to CVT-42, "
Check at Idle".
OK or NG
OK >> INSPECTION END
NG >> GO TO 7.
7.CHECK TCM
1. Check TCM input/output signals. Refer to CVT-46, "
TCM Terminal and Reference Value".
2. If NG, re-check TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> Replace the transaxle assembly. Refer to CVT-173, "Removal and Installation".
NG >> Repair or replace damaged parts.
Vehicle Does Not Creep Forward in "D" or "L" PositionINFOID:0000000005397989
SYMPTOM:
Vehicle does not creep forward wh en selecting “D” or “L” position.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis check. Refer to CVT-48, "
CONSULT-III Function (TRANSMISSION)" .
Is any malfunction detec ted by self-diagnosis?
YES >> Check the malfunctioning system. Refer to CVT-48, "CONSULT-III Function (TRANSMISSION)" .
NO >> GO TO 2.
2.CHECK CVT POSITION
Check CVT position. Refer to CVT-164, "
Checking of CVT Position"
OK or NG
OK >> GO TO 3.
NG >> Adjust CVT position. Refer to CVT-164, "
Adjustment of CVT Position" .
3.CHECK CVT FLUID LEVEL
Check CVT fluid level. Refer to CVT-14, "
Checking CVT Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill CVT fluid.
4.CHECK LINE PRESSURE
Check line pressure at idle. Refer to CVT-37, "
Inspections before Trouble Diagnosis" .
OK or NG
OK >> GO TO 5.
NG >> Check the malfunctioning item. Refer to CVT-37, "
Inspections before Trouble Diagnosis" .
5.CHECK STALL REVOLUTION
Check stall revolution. Refer to CVT-37, "
Inspections before Trouble Diagnosis" .
OK or NG
OK >> GO TO 6.
NG >> Check the malfunctioning item. Refer to CVT-37, "
Inspections before Trouble Diagnosis" .
Revision: January 20102010 Versa

TROUBLE DIAGNOSIS FOR SYMPTOMSCVT-149
< SERVICE INFORMATION > [RE0F08B]
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6.CHECK SYMPTOM
Check again. Refer to CVT-42, "
Check at Idle" .
OK or NG
OK >> INSPECTION END
NG >> GO TO 7.
7.CHECK TCM
1. Check TCM input/output signals. Refer to CVT-46, "
TCM Terminal and Reference Value" .
2. If NG, re-check TCM pin terminals for dam age or loose connection with harness connector.
OK or NG
OK >> Replace the transaxle assembly. Refer to CVT-173, "Removal and Installation" .
NG >> Repair or replace damaged parts.
Vehicle Speed Does Not Change in "L" PositionINFOID:0000000005397990
SYMPTOM:
Vehicle speed does not change in “L” position while the cruise test.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis check. Refer to CVT-48, "
CONSULT-III Function (TRANSMISSION)" .
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system. Refer to CVT-48, "CONSULT-III Function (TRANSMISSION)" .
NO >> GO TO 2.
2.CHECK CVT POSITION
Check CVT position. Refer to CVT-164, "
Checking of CVT Position"
OK or NG
OK >> GO TO 3.
NG >> Adjust CVT position. Refer to CVT-164, "
Adjustment of CVT Position" .
3.CHECK CVT FLUID LEVEL
Check CVT fluid level. Refer to CVT-14, "
Checking CVT Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill CVT fluid.
4.CHECK LINE PRESSURE
Check line pressure at idle. Refer to CVT-37, "
Inspections before Trouble Diagnosis" .
OK or NG
OK >> GO TO 5.
NG >> Check the malfunctioning item. Refer to CVT-37, "
Inspections before Trouble Diagnosis" .
5.CHECK STALL REVOLUTION
Check stall revolution. Refer to CVT-37, "
Inspections before Trouble Diagnosis" .
OK or NG
OK >> GO TO 6.
NG >> Check the malfunctioning item. Refer to CVT-37, "
Inspections before Trouble Diagnosis" .
6.CHECK SYMPTOM
Check again. Refer to CVT-43, "
Cruise Test" .
OK or NG
OK >> INSPECTION END
NG >> GO TO 7.
Revision: January 20102010 Versa