2008 NISSAN LATIO Service Repair Manual

climate settings TPMS water pump steering wheel adjustment recommended oil lights

Page 953 of 2771

NISSAN LATIO 2008 Service Repair Manual CVT-114
< SERVICE INFORMATION >
DTC P0841 PRESSURE SENSOR FUNCTION
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

Page 954 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI
PRESSURE SENSOR)
CVT-115
< SERVICE INFORMATION >
D
E
F
G
H
I
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K
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MA
B
CVT
N
O
P
DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (P

DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI
PRESSURE SENSOR)
CVT-115
< SERVICE INFORMATION >
D
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F
G
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MA
B
CVT
N
O
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DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI
PRESSURE SENSOR)
DescriptionINFOID:0000000001703586
• The transmission fluid pressure sensor B (primary pressure sensor) is included in the control valve assem-
bly.
• The transmission fluid pressure sensor B (primary pressure sensor) detects primary pressure of CVT and
sends TCM the signal.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000001703587
Remarks: Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000001703588
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0845 TR PRS SENS/B CIRC” with CONSULT-III is detected under the following
conditions.
- When TCM detects an improper voltage drop when it receives the sensor signal.
- When TCM compares target value with monitor value and detects an irregularity.
Possible CauseINFOID:0000000001703589
• Transmission fluid pressure sensor B (Primary pressure sensor)
• Harness or connectors
(Sensor circuit is open or shorted.)
DTC Confirmation ProcedureINFOID:0000000001703590
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. Make sure that output voltage of line 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. Start engine and wait for at least 5 consecutive seconds.
4. If DTC is detected, go to CVT-117, "
Diagnosis Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-III”.
Item name Condition Display value (Approx.)
PRI HYDR SEN “N” position idle 0.7 V

Page 955 of 2771

NISSAN LATIO 2008 Service Repair Manual CVT-116
< SERVICE INFORMATION >
DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI
PRESSURE SENSOR)
Wiring Diagram - CVT - PRIPS
INFOID:0000000001703591
CM TERMINALS AND REFERENCE VALUES
Ref

Page 956 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI
PRESSURE SENSOR)
CVT-117
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
CVT
N
O
P
Diagnosis ProcedureINFOID:0000000001703592
1.CHECK INPUT

Page 957 of 2771

NISSAN LATIO 2008 Service Repair Manual CVT-118
< SERVICE INFORMATION >
DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI
PRESSURE SENSOR)
OK or NG
OK >> Replace TCM. Refer to CVT-8, "Service After Replacing TCM and Transax

Page 958 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0868 SECONDARY PRESSURE DOWN
CVT-119
< SERVICE INFORMATION >
D
E
F
G
H
I
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K
L
MA
B
CVT
N
O
P
DTC P0868 SECONDARY PRESSURE DOWN
DescriptionINFOID:0000000001703593
• The pressure control solenoi

DTC P0868 SECONDARY PRESSURE DOWN
CVT-119
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
CVT
N
O
P
DTC P0868 SECONDARY PRESSURE DOWN
DescriptionINFOID:0000000001703593
• 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:0000000001703594
Remarks: Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000001703595
• This is not an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0868 SEC/PRESS DOWN” with CONSULT-III is detected when secondary fluid
pressure is too low compared with the commanded value while driving.
Possible CauseINFOID:0000000001703596
• 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:0000000001703597
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. 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. 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-119, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001703598
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
Item name Condition Display value (Approx.)
SEC PRESS “N” position idle 0.8 MPa

Page 959 of 2771

NISSAN LATIO 2008 Service Repair Manual CVT-120
< SERVICE INFORMATION >
DTC P0868 SECONDARY PRESSURE DOWN
OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
2.CHECK LINE PRESSURE
Perform line pressure test. Refer to CVT-36, "
Inspections before Tro

Page 960 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P1701 TRANSMISSION CONTROL MODULE (POWER SUPPLY)
CVT-121
< SERVICE INFORMATION >
D
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B
CVT
N
O
P
DTC P1701 TRANSMISSION CONTROL MODULE (POWER SUPPLY)
DescriptionINFOID:00000000017

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