Nissan Teana J32. Instruction — part 1168
TM-196
< FUNCTION DIAGNOSIS >
[CVT: RE0F10A]
LOCK-UP AND SELECT CONTROL SYSTEM
Component Description
INFOID:0000000003806365
TRANSAXLE ASSEMBLY
EXCEPT TRANSAXLE ASSEMBLY
Name
Function
Torque converter regulator valve
TCC control valve
Select control valve
Select switch valve
Instruction valve
TCC solenoid valve
Lock-up select solenoid valve
Primary speed sensor
Secondary speed sensor
CVT fluid temperature sensor
PNP switch
Forward clutch
Reverse brake
Torque converter
Name
Function
TCM
Accelerator pedal position sensor
SHIFT CONTROL SYSTEM
TM-197
< FUNCTION DIAGNOSIS >
[CVT: RE0F10A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
SHIFT CONTROL SYSTEM
System Diagram
INFOID:0000000003806366
NOTE:
The gear ratio is set for each position separately.
System Description
INFOID:0000000003806367
In order to select the gear ratio that can obtain the driving force in accordance with driver's intention and the
vehicle condition, TCM monitors the driving conditions, such as the vehicle speed and the throttle position and
selects the optimum gear ratio, and determines the gear change steps to the gear ratio. Then TCM sends the
command to the step motor, controls the inflow/outflow of line pressure from the primary pulley to determine
the position of the moving-pulley and controls the gear ratio.
“D” POSITION
Shifting over all the ranges of gear ratios from the lowest to the high-
est.
SPORT MODE
Use this position for the improved engine braking.
“L” POSITION
By limiting gear range to the lowest position, the strong driving force
and the engine brake can be secured.
DOWNHILL ENGINE BRAKE CONTROL (AUTO ENGINE BRAKE CONTROL)
When a downhill slope is detected with the accelerator pedal released, the engine brake will be strengthened
up by downshifting so as not to accelerate the vehicle more than necessary.
JPDIA0745GB
SCIA1953E
SCIA1955E
TM-198
< FUNCTION DIAGNOSIS >
[CVT: RE0F10A]
SHIFT CONTROL SYSTEM
ACCELERATION CONTROL
According to vehicle speed and a change of accelerator pedal angle, driver's request for acceleration and driv-
ing scene are judged. This function assists improvement in the acceleration feeling by making the engine
speed proportionate to the vehicle speed. And a shift map that can gain a larger driving force is available for
compatibility of mileage with driveability.
Component Parts Location
INFOID:0000000003809655
*: Control valve assembly is included in CVT assembly.
NOTE:
The following components are included in control valve assembly (8).
• CVT fluid temperature sensor
• Torque converter clutch solenoid valve
• Line pressure solenoid valve
• Step motor
• ROM assembly
1.
Sport mode switch
2.
Shift position indicator
3.
SPORT indicator lamp
4.
TCM
5.
Secondary speed sensor
6.
PNP switch
7.
Primary speed sensor
8.
Control valve assembly
*
9.
CVT unit connector
10. Accelerator pedal position sensor
A.
Center console
B.
Combination meter
C.
Engine room LH
D.
CVT assembly
E.
Accelerator pedal, upper
JPDIA0746ZZ
SHIFT CONTROL SYSTEM
TM-199
< FUNCTION DIAGNOSIS >
[CVT: RE0F10A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
• Secondary pressure sensor
• Secondary pressure solenoid valve
• Lock-up select solenoid valve
Component Description
INFOID:0000000003806369
TRANSAXLE ASSEMBLY
EXCEPT TRANSAXLE ASSEMBLY
Item
Function
PNP switch
Primary speed sensor
Secondary speed sensor
Step motor
Shift control valve
Primary pulley
Secondary pulley
Item
Function
TCM
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