2008 NISSAN LATIO Service Repair Manual

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Page 937 of 2771

NISSAN LATIO 2008 Service Repair Manual CVT-98
< SERVICE INFORMATION >
DTC P0745 LINE PRESSURE SOLENOID VALVE
3. Check resistance between CVT unit harness connector terminal
and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace the transaxle a

Page 938 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0745 LINE PRESSURE SOLENOID VALVE
CVT-99
< SERVICE INFORMATION >
D
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3. Check resistance between CVT unit harness connector terminal
and ground.
4. If NG, replace the

Page 939 of 2771

NISSAN LATIO 2008 Service Repair Manual CVT-100
< SERVICE INFORMATION >
DTC P0746 PRESSURE CONTROL SOLENOID A PERFORMANCE (LINE PRES-
SURE SOLENOID VALVE)
DTC P0746 PRESSURE CONTROL SOLENOID A PERFORMANCE (LINE
PRESSURE SOLENOID VALVE)
Desc

CVT-100
< SERVICE INFORMATION >
DTC P0746 PRESSURE CONTROL SOLENOID A PERFORMANCE (LINE PRES-
SURE SOLENOID VALVE)
DTC P0746 PRESSURE CONTROL SOLENOID A PERFORMANCE (LINE
PRESSURE SOLENOID VALVE)
DescriptionINFOID:0000000001703553
• The pressure control solenoid valve A (line pressure solenoid valve) is included in the control valve assem-
bly.
• The pressure control solenoid valve A (line pressure solenoid valve) regulates the oil pump discharge pres-
sure to suit the driving condition in response to a signal sent from the TCM.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000001703554
Remarks: Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000001703555
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0746 PRS CNT SOL/A FCTN” 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:0000000001703556
• Line pressure control system
• Output speed sensor (Secondary speed sensor)
• Input speed sensor (Primary speed sensor)
DTC Confirmation ProcedureINFOID:0000000001703557
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, 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 MONITOR” 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-100, "
Diagnosis Procedure".
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis ProcedureINFOID:0000000001703558
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 “PRI PRESS”.
Item name Condition Display value (Approx.)
PRI PRESS “N” position idle 0.4 MPa

Page 940 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0746 PRESSURE CONTROL SOLENOID A PERFORMANCE (LINE PRES-
SURE SOLENOID VALVE)
CVT-101
< SERVICE INFORMATION >
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Without CONSULT-III
1. Start engine.
2. Check voltag

Page 941 of 2771

NISSAN LATIO 2008 Service Repair Manual CVT-102
< SERVICE INFORMATION >
DTC P0776 PRESSURE CONTROL SOLENOID B PERFORMANCE (SEC PRES-
SURE SOLENOID VALVE)
DTC P0776 PRESSURE CONTROL SOLENOID B PERFORMANCE (SEC
PRESSURE SOLENOID VALVE)
Descri

CVT-102
< SERVICE INFORMATION >
DTC P0776 PRESSURE CONTROL SOLENOID B PERFORMANCE (SEC PRES-
SURE SOLENOID VALVE)
DTC P0776 PRESSURE CONTROL SOLENOID B PERFORMANCE (SEC
PRESSURE SOLENOID VALVE)
DescriptionINFOID:0000000001703559
• The pressure control solenoid valve B (secondary pressure solenoid valve) is included in the control valve
assembly.
• The pressure control solenoid valve B (secondary pressure solenoid valve) regulates the secondary pres-
sure to suit the driving condition in response to a signal sent from the TCM.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000001703560
Remarks: Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000001703561
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0776 PRS CNT SOL/B FCTN” with CONSULT-III is detected when secondary
pressure is too high or too low compared with the commanded value while driving.
Possible CauseINFOID:0000000001703562
• Harness or connectors
(Solenoid circuit is open or shorted.)
• Pressure control solenoid valve B (Secondary pressure solenoid valve system)
• Transmission fluid pressure sensor A (Secondary pressure sensor)
• Line pressure control system
DTC Confirmation ProcedureINFOID:0000000001703563
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 MONITOR” 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-102, "
Diagnosis Procedure".
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis ProcedureINFOID:0000000001703564
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”.
Item name Condition Display value (Approx.)
SEC PRESS “N” position idle 0.8 MPa

Page 942 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0776 PRESSURE CONTROL SOLENOID B PERFORMANCE (SEC PRES-
SURE SOLENOID VALVE)
CVT-103
< SERVICE INFORMATION >
D
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CVT
N
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OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
2.CHECK LINE P

Page 943 of 2771

NISSAN LATIO 2008 Service Repair Manual CVT-104
< SERVICE INFORMATION >
DTC P0778 PRESSURE CONTROL SOLENOID B ELECTRICAL (SEC PRES-
SURE SOLENOID VALVE)
DTC P0778 PRESSURE CONTROL SOLENOID B ELECTRICAL (SEC
PRESSURE SOLENOID VALVE)
Descript

Page 944 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0778 PRESSURE CONTROL SOLENOID B ELECTRICAL (SEC PRES-
SURE SOLENOID VALVE)
CVT-105
< SERVICE INFORMATION >
D
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CVT
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Wiring Diagram - CVT - SECPSVINFOID:0000000001703570
T

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