2010 NISSAN LATIO Service Repair Manual

set clock fuses instrument panel fuel pump gas tank size load capacity

Page 1129 of 3745

NISSAN LATIO 2010 Service Repair Manual CVT-96
< SERVICE INFORMATION >[RE0F08B]
P0746 PRESSURE CONTROL SOLENOID A
P0746 PRESSURE CONTROL SOLENOID A
DescriptionINFOID:0000000005397880
• The line pressure solenoid valve is included in the c

CVT-96
< SERVICE INFORMATION >[RE0F08B]
P0746 PRESSURE CONTROL SOLENOID A
P0746 PRESSURE CONTROL SOLENOID A
DescriptionINFOID:0000000005397880
• The line pressure solenoid valve is included in the control valve assembly.
• The line pressure solenoid valve regulates the oil pum
p discharge pressure to suit the driving condition in
response to a signal sent from the TCM.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000005397881
Remarks: Specification data are reference values.
On Board Diagn osis LogicINFOID:0000000005397882
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0746” with CONSULT-III is detected under the following conditions.
- Unexpected gear ratio was detected in the LOW side due to excessively low line pressure.
Possible CauseINFOID:0000000005397883
• Line pressure control system
• Secondary speed sensor
• Primary speed sensor
DTC Confirmation ProcedureINFOID:0000000005397884
CAUTION:
Always drive vehicle at a safe speed.
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. Start engine and maintain the following conditions for at least 10 consecutive seconds. Test start from 0
km/h (0 MPH).
ATF TEMP SEN: 1.0 - 2.0 V
ACC PEDAL OPEN: More than 1.0/8
RANGE: “D” position
VEHICLE SPEED: 10 km/h (6 MPH) More than
Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving
conditions required for this test.
3. If DTC is detected, go to CVT-96, "
Diagnosis Procedure".
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis ProcedureINFOID:0000000005397885
1.CHECK LINE PRESSURE
Perform line pressure test. Refer to CVT-37, "
Inspections before Trouble Diagnosis".
OK or NG
OK >> GO TO 2.
NG >> Repair or replace damaged parts. Refer to CVT-37, "
Inspections before Trouble Diagnosis".
2.DETECT MALFUNCTIONING ITEM
Check line pressure solenoid valve. Refer to CVT-94, "
Component Inspection".
Item nameCondition Display value (Approx.)
PRI PRESS “N” position idle 0.4 MPa
Revision: January 20102010 Versa

Page 1130 of 3745

NISSAN LATIO 2010 Service Repair Manual P0746 PRESSURE CONTROL SOLENOID ACVT-97
< SERVICE INFORMATION > [RE0F08B]
D
E
F
G H
I
J
K L
M A
B
CVT
N
O P
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.
3.CHECK SECONDARY SPEED SENSO

Page 1131 of 3745

NISSAN LATIO 2010 Service Repair Manual CVT-98
< SERVICE INFORMATION >[RE0F08B]
P0776 PRESSURE CONTROL SOLENOID B
P0776 PRESSURE CONTROL SOLENOID B
DescriptionINFOID:0000000005397886
• The secondary pressure solenoid valve is included in

CVT-98
< SERVICE INFORMATION >[RE0F08B]
P0776 PRESSURE CONTROL SOLENOID B
P0776 PRESSURE CONTROL SOLENOID B
DescriptionINFOID:0000000005397886
• 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 Value in Data Monitor ModeINFOID:0000000005397887
Remarks: Specification data are reference values.
On Board Diagn osis LogicINFOID:0000000005397888
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0776” with CONSULT-III is det ected when secondary pressure is too high or too
low compared with the commanded value while driving.
Possible CauseINFOID:0000000005397889
• Harness or connectors (Solenoid circuit is open or shorted.)
• Secondary pressure solenoid valve system
• Secondary pressure sensor
• Line pressure control system
DTC Confirmation ProcedureINFOID:0000000005397890
CAUTION:
Always drive vehicle at a safe speed.
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, perform the following proc edure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MONI TOR” mode for “TRANSMISSION” with CONSULT-III.
2. Start engine and maintain the following conditions for at least 30 consecutive seconds.
ATF TEMP SEN: 1.0 - 2.0 V
ACC PEDAL OPEN: More than 1.0/8
RANGE: “D” position
VEHICLE SPEED: 10 km/h (6 MPH) More than
Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving
conditions required for this test.
3. If DTC is detected, go to CVT-98, "
Diagnosis Procedure".
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis ProcedureINFOID:0000000005397891
1.CHECK INPUT SIGNAL
With CONSULT-III
1. Start engine.
2. Select “MAIN SIGNALS” in “DATA MONITO R” mode for “TRANSMISSION” with CONSULT-III.
3. Start vehicle and read out the value of “SEC PRESS”.
Item name Condition Display value (Approx.)
SEC PRESS “N” position idle 0.8 MPa
Item nameConditionDisplay value (Approx.)
SEC PRESS “N” position idle 0.8 MPa
Revision: January 20102010 Versa

Page 1132 of 3745

NISSAN LATIO 2010 Service Repair Manual P0776 PRESSURE CONTROL SOLENOID BCVT-99
< SERVICE INFORMATION > [RE0F08B]
D
E
F
G H
I
J
K L
M A
B
CVT
N
O P
OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
2.CHECK LINE PRESSURE
Perform line pressure test. Ref

Page 1133 of 3745

NISSAN LATIO 2010 Service Repair Manual CVT-100
< SERVICE INFORMATION >[RE0F08B]
P0778 PRESSURE CONTROL SOLENOID B
P0778 PRESSURE CONTROL SOLENOID B
DescriptionINFOID:0000000005397892
• The secondary pressure solenoid valve is included in

Page 1134 of 3745

NISSAN LATIO 2010 Service Repair Manual P0778 PRESSURE CONTROL SOLENOID BCVT-101
< SERVICE INFORMATION > [RE0F08B]
D
E
F
G H
I
J
K L
M A
B
CVT
N
O P
Wiring Diagram - CVT - SECPSVINFOID:0000000005397897
TCM TERMINALS AND REFERENCE VALUES
Ref

Page 1135 of 3745

NISSAN LATIO 2010 Service Repair Manual CVT-102
< SERVICE INFORMATION >[RE0F08B]
P0778 PRESSURE CONTROL SOLENOID B
Diagnosis Procedure
INFOID:0000000005397898
1. CHECK INPUT SIGNAL
With CONSULT-III
1. Start engine.
2. Select “MAIN SIGNALS

Page 1136 of 3745

NISSAN LATIO 2010 Service Repair Manual P0778 PRESSURE CONTROL SOLENOID BCVT-103
< SERVICE INFORMATION > [RE0F08B]
D
E
F
G H
I
J
K L
M A
B
CVT
N
O P
3. Check resistance between CVT unit harness connector terminal and ground.
OK or NG
OK >>

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