Nissan Sentra. Instruction — part 864
TM-92
< SYSTEM DESCRIPTION >
[CVT: RE0F11A]
SYSTEM
SYSTEM
CVT CONTROL SYSTEM
CVT CONTROL SYSTEM : System Diagram
INFOID:0000000009759345
JSDIA2803GB
SYSTEM
TM-93
< SYSTEM DESCRIPTION >
[CVT: RE0F11A]
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CVT CONTROL SYSTEM : System Description
INFOID:0000000009759346
DESCRIPTION
• CVT detects the vehicle driving status from switches, sensors and signals, and controls the vehicle so that
the optimum shift position and shift timing may always be achieved. It also controls the vehicle to reduce
shift and lockup shock, etc.
• If a malfunction occurs on the electric system, activate the fail-safe mode only to drive the vehicle.
MAIN CONTROL CONTENTS OF TCM
LIST OF CONTROL ITEMS AND INPUT/OUTPUT
Controls
Reference
Line pressure control
TM-97, "LINE PRESSURE CONTROL : System Description"
Shift control
TM-98, "SHIFT CONTROL : System Description"
Select control
TM-100, "SELECT CONTROL : System Description"
Lock-up control
TM-101, "LOCK-UP CONTROL : System Description"
Idle neutral control
TM-102, "IDLE NEUTRAL CONTROL : System Description"
ECO mode control
DMS-26, "ECO MODE CONTROL : System Description"
SPORT mode control
DMS-63, "SPORT MODE CONTROL : System Description"
Fail-safe
TM-94, "CVT CONTROL SYSTEM : Fail-Safe"
Self-diagnosis function
Communication function with CONSULT
Control Item
Shift control
Line pressure
control
Select control
Lock-up con-
trol
Fail-safe func-
tion*
Input
Engine torque signal
(CAN communication)
×
×
×
×
×
Engine speed signal
(CAN communication)
×
×
×
×
×
Accelerator pedal position signal
(CAN communication)
×
×
×
×
×
Closed throttle position signal
(CAN communication)
×
×
×
Stop lamp switch signal
(CAN communication)
×
×
×
×
Secondary pressure sensor
×
×
×
×
CVT fluid temperature sensor
×
×
×
×
Primary speed sensor
×
×
×
×
Secondary speed sensor
×
×
×
×
×
Output speed sensor
×
×
×
×
×
Transmission range switch
×
×
×
×
×
Overdrive control switch signal
(CAN communication)
×
ECO mode switch signal
(CAN communication)
×
SPORT mode switch signal
(CAN communication)
×
TM-94
< SYSTEM DESCRIPTION >
[CVT: RE0F11A]
SYSTEM
*: If these input/output signals show errors, TCM activates the fail-safe function.
CVT CONTROL SYSTEM : Fail-Safe
INFOID:0000000009759347
TCM has a fail-safe mode. The mode functions so that operation can be continued even if the signal circuit of
the main electronically controlled input/output parts is damaged.
If the vehicle shows following behaviors including “poor acceleration”, a malfunction of the applicable system
is detected by TCM and the vehicle may be in a fail-safe mode. At this time, check the DTC code and perform
inspection and repair according to the malfunction diagnosis procedures.
Fail-safe function
Output
Line pressure solenoid valve
×
×
×
×
Primary pressure solenoid valve
×
×
Torque converter clutch solenoid valve
×
×
High clutch & reverse brake solenoid
valve
×
×
×
Low brake solenoid valve
×
×
×
Shift position indicator
(CAN communication)
×
OD OFF indicator lamp signal
(CAN communication)
×
ECO mode indicator lamp signal
(CAN communication)
×
SPORT mode indicator lamp signal
(CAN communication)
×
Control Item
Shift control
Line pressure
control
Select control
Lock-up con-
trol
Fail-safe func-
tion*
DTC
Vehicle behavior
Conditions of vehicle
P062F
• Not changed from normal driving
—
P0705
• Shift position indicator on combination meter is not dis-
played
• Selector shock is large
• Start is slow
• Acceleration is slow
• Lock-up is not performed
—
P0706
• Shift position indicator on combination meter is not dis-
played
• Selector shock is large
• Start is slow
• Acceleration is slow
• Lock-up is not performed
—
P0711
• Acceleration is slow
Engine coolant temperature when engine start: Temp.
≥
10
°C (50°F)
• Selector shock is large
• Start is slow
Engine coolant temperature when engine start:-35
°C (-
31
°F) ≤ Temp. < 10°C (50°F)
• Selector shock is large
• Start is slow
Engine coolant temperature when engine start: Temp. < -
35
°C (-31°F)
P0712
• Acceleration is slow
Engine coolant temperature when engine start: Temp.
≥
10
°C (50°F)
• Selector shock is large
• Start is slow
Engine coolant temperature when engine start:-35
°C (-
31
°F) ≤ Temp. < 10°C (50°F)
• Selector shock is large
• Start is slow
Engine coolant temperature when engine start: Temp. < -
35
°C (-31°F)
SYSTEM
TM-95
< SYSTEM DESCRIPTION >
[CVT: RE0F11A]
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P0713
• Acceleration is slow
Engine coolant temperature when engine start: Temp.
≥
10
°C (50°F)
• Selector shock is large
• Start is slow
Engine coolant temperature when engine start:-35
°C (-
31
°F) ≤ Temp. < 10°C (50°F)
• Selector shock is large
• Start is slow
Engine coolant temperature when engine start: Temp. < -
35
°C (-31°F)
P0715
• Selector shock is large
• Start is slow
• Acceleration is slow
• Vehicle speed is not increased
• Lock-up is not performed
—
P0720
• Selector shock is large
• Start is slow
• Acceleration is slow
• Lock-up is not performed
—
P0740
• Lock-up is not performed
—
P0743
• Lock-up is not performed
—
P0744
• Lock-up is not performed
—
P0746
• Selector shock is large
• Start is slow
• Acceleration is slow
• Vehicle speed is not increased
• Lock-up is not performed
—
P0846
• Start is slow
• Acceleration is slow
—
P0847
• Acceleration is slow
—
P0848
• Start is slow
• Acceleration is slow
—
P0863
• Selector shock is large
• Start is slow
• Acceleration is slow
• Lock-up is not performed
—
P0890
• Selector shock is large
• Start is slow
• Acceleration is slow
• Lock-up is not performed
—
P0962
• Selector shock is large
• Start is slow
• Acceleration is slow
• Lock-up is not performed
—
P0963
• Selector shock is large
• Start is slow
• Acceleration is slow
• Lock-up is not performed
—
P0965
• Selector shock is large
• Start is slow
• Acceleration is slow
• Lock-up is not performed
—
P0966
• Selector shock is large
• Start is slow
• Acceleration is slow
• Lock-up is not performed
—
P0967
• Selector shock is large
• Start is slow
• Acceleration is slow
• Lock-up is not performed
—
DTC
Vehicle behavior
Conditions of vehicle
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