2006 NISSAN VERSA Workshop Service Repair Manual

TPMS oil reset oil filter tire pressure open hood sport mode

Page 1033 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual CVT-136
DTC P0841 PRESSURE SENSOR FUNCTION
Revision: June 20062007 Versa
PRESSURE SENSOR A CIRCUIT (SEC PRESSURE SENSOR)" , CVT-137, "DTC P0845 TRANSMISSION
FLUID PRESSURE SENSOR B CIRCUIT (PRI PRESSU

Page 1034 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI
PRESSURE SENSOR)
CVT-137
D
E
F
G
H
I
J
K
L
MA
B
CVT
Revision: June 20062007 Versa
DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (P

DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI
PRESSURE SENSOR)
CVT-137
D
E
F
G
H
I
J
K
L
MA
B
CVT
Revision: June 20062007 Versa
DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI PRES-
SURE SENSOR)
PFP:31936
DescriptionUCS00620
The transmission fluid pressure sensor B (primary pressure sensor) is included in the control valve
assembly.
The transmission fluid pressure sensor B (primary pressure sensor) detects primary pressure of CVT and
sends TCM the signal.
CONSULT-II Reference ValueUCS00621
Remarks: Specification data are reference values.
On Board Diagnosis LogicUCS00622
This is an OBD-II self-diagnostic item.
Diagnostic trouble code “P0845 TR PRS SENS/B CIRC” with CONSULT-II 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 CauseUCS00623
Transmission fluid pressure sensor B (Primary pressure sensor)
Harness or connectors
(Sensor circuit is open or shorted.)
DTC Confirmation ProcedureUCS00624
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-II
1. Turn ignition switch ON and select “DATA MONITOR” mode for
“TRANSMISSION” with CONSULT-II.
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-139, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
Item name Condition Display value (Approx.)
PRI HYDR SEN “N” position idle 0.7 V
BCIA0031E

Page 1035 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual CVT-138
DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI
PRESSURE SENSOR)
Revision: June 20062007 Versa
Wiring Diagram — CVT — PRIPSUCS00625
BCWA0678E

Page 1036 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI
PRESSURE SENSOR)
CVT-139
D
E
F
G
H
I
J
K
L
MA
B
CVT
Revision: June 20062007 Versa
TCM terminal data are reference values, measured between

Page 1037 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual CVT-140
DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI
PRESSURE SENSOR)
Revision: June 20062007 Versa
2. CHECK SENSOR POWER AND SENSOR GROUND
1. Turn ignition switch ON. (Do not start en

Page 1038 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual DTC P0845 TRANSMISSION FLUID PRESSURE SENSOR B CIRCUIT (PRI
PRESSURE SENSOR)
CVT-141
D
E
F
G
H
I
J
K
L
MA
B
CVT
Revision: June 20062007 Versa
5. CHECK DTC
Perform CVT-137, "
DTC Confirmation Procedur

Page 1039 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual CVT-142
DTC P0868 SECONDARY PRESSURE DOWN
Revision: June 20062007 Versa
DTC P0868 SECONDARY PRESSURE DOWNPFP:31941
DescriptionUCS00627
The pressure control solenoid valve B (secondary pressure soleno

CVT-142
DTC P0868 SECONDARY PRESSURE DOWN
Revision: June 20062007 Versa
DTC P0868 SECONDARY PRESSURE DOWNPFP:31941
DescriptionUCS00627
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-II Reference ValueUCS00628
Remarks: Specification data are reference values.
On Board Diagnosis LogicUCS00629
This is not an OBD-II self-diagnostic item.
Diagnostic trouble code “P0868 SEC/PRESS DOWN” with CONSULT-II is detected when secondary fluid
pressure is too low compared with the commanded value while driving.
Possible CauseUCS0062A
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 ProcedureUCS0062B
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-II
1. Turn ignition switch ON and select “DATA MONITOR” mode for
“TRANSMISSION” with CONSULT-II.
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-143, "
Diagnostic Procedure" .
Item name Condition Display value (Approx.)
SEC PRESS “N” position idle 0.8 MPa
BCIA0031E

Page 1040 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual DTC P0868 SECONDARY PRESSURE DOWN
CVT-143
D
E
F
G
H
I
J
K
L
MA
B
CVT
Revision: June 20062007 Versa
Diagnostic ProcedureUCS0062C
1. CHECK INPUT SIGNAL
With CONSULT-II
1. Start engine.
2. Select “MAI

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