2014 NISSAN TEANA Service Manual

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Page 4225 of 4801

NISSAN TEANA 2014 Service Manual
TM-10
< PRECAUTION >[CVT: RE0F10D]
PRECAUTIONS
General Precautions
INFOID:0000000009463957
• Turn ignition switch OFF an d disconnect the battery cable
from the negative terminal before connecting

Page 4226 of 4801

NISSAN TEANA 2014 Service Manual
PRECAUTIONSTM-11
< PRECAUTION > [CVT: RE0F10D]
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On Board Diagnosis (OBD) System of CVT and EngineINFOID:0000000009463958
The TCM and ECM have an on board diagnostic s

PRECAUTIONSTM-11
< PRECAUTION > [CVT: RE0F10D]
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On Board Diagnosis (OBD) System of CVT and EngineINFOID:0000000009463958
The TCM and ECM have an on board diagnostic system. It will light up the malfunction indicator lamp (MIL) to
warn the driver of a malfunction causing emission deterioration.
CAUTION:
• Be sure to turn the ignition switch OFF and di sconnect the battery cable from the negative terminal
before any repair or inspection work. The open/s hort circuit of related switches, sensors, solenoid
valves, etc. will cause the MIL to light up.
• Be sure to connect and lock the connectors secure ly after work. A loose (unlocked) connector will
cause the MIL to light up due to an open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)
• Be sure to route and secure the harnesses properly after work. Interference of the harness with a
bracket, etc. may cause the MIL to light up due to a short circuit.
• Be sure to connect rubber tubes properly afte r work. A misconnected or disconnected rubber tube
may cause the MIL to light up due to a malfunction of the EGR system or fuel injection system, etc.
• Be sure to erase the unnecessary malfunction informa tion (repairs completed) from the TCM and
ECM before returning the vehicle to the customer.
Removal and Installation Proc edure for CVT Unit ConnectorINFOID:0000000009463959
REMOVAL
• Rotate bayonet ring (1) counterclockwise. Pull out CVT unit har-
ness connector (2) upward and remove it.
INSTALLATION
1. Align marking (A) on CVT unit harness connector terminal with
marking (B) on bayonet ring. Insert CVT unit harness connector.
2. Rotate bayonet ring clockwise.
3. Rotate bayonet ring clockwise until marking (A) on CVT unit har- ness connector terminal body is aligned with the slit (B) on bayo-
net ring as shown in the figure (correctly fitting condition).
CAUTION:
SCIA6685J
JPDIA0294ZZ
JPDIA0295ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 4227 of 4801

NISSAN TEANA 2014 Service Manual
TM-12
< PRECAUTION >[CVT: RE0F10D]
PRECAUTIONS
• Securely align marking (A) on CVT unit harness connec-
tor terminal body with bayonet ri ng slit (B). Then, be care-
ful not to make a half fit cond

Page 4228 of 4801

NISSAN TEANA 2014 Service Manual
PREPARATIONTM-13
< PREPARATION > [CVT: RE0F10D]
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PREPARATION
PREPARATION
Special Service ToolsINFOID:0000000009463960
The actual shape of the tools may di ffer from th

Page 4229 of 4801

NISSAN TEANA 2014 Service Manual
TM-14
< SYSTEM DESCRIPTION >[CVT: RE0F10D]
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
CVT CONTROL SYSTEM
CVT CONTROL SYSTEM : Co
mponent Parts LocationINFOID:0000000009463962
ALDIA0379ZZ
Revi

Page 4230 of 4801

NISSAN TEANA 2014 Service Manual
COMPONENT PARTSTM-15
< SYSTEM DESCRIPTION > [CVT: RE0F10D]
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COMPONENT DESCRIPTION
No. Component Function TCM TM-16, "CVT CONTROL SYSTEM : TCM"
ECM• For purposes incl

COMPONENT PARTSTM-15
< SYSTEM DESCRIPTION > [CVT: RE0F10D]
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COMPONENT DESCRIPTION
No. Component Function TCM TM-16, "CVT CONTROL SYSTEM : TCM"
ECM• For purposes including improving the feeling when shifting speeds and
preventing drops in engine speed, control signals are exchanged be-
tween the ECM and TCM, and real-time cooperative control is performed
according to the vehicle driving conditions. (Engine and CVT integrated
control)
- Engine and CVT integrated control signal NOTE:
General term for the communication (torque-down permission, torque-
down request, etc.) exchanged between the ECM and TCM.
• The TCM receives the following signal via CAN communications from the ECM.
- Engine speed signal
- Accelerator pedal position signal
- Closed throttle position signal
• The TCM transmits the following signal via CAN communications to the ECM.
- Malfunctioning indicator lamp signal
Refer to EC-21, "Component Parts Location"
for detailed installation loca-
tion.
Combination meter The TCM receives the following signal via CAN communications from the
combination meter for judging the driving request from the driver.
• Overdrive control switch signal
• Vehicle speed signal
The TCM transmits the following signal via CAN communications to the
combination meter.
• O/D OFF indicator signal
• Shift position indicator signal
Refer to MWI-6, "METER SYSTEM : Component Parts Location"
for de-
tailed installation location.
O/D OFF indicator lamp TM-20, "CVT CONTROL SYSTEM : O/D OFF Indicator Lamp"
Malfunction indicator lamp (MIL) TM-41, "DIAGNOSIS DESCRIPTION : Malfunction Indicator Lamp (MIL)"
Shift position indicator TM-20, "CVT CONTROL SYSTEM : Shift Position Indicator"
ABS actuator and electric unit (control unit)The TCM receives the following signal via CAN communications from the
ABS actuator and electric unit (control unit).
• ABS operation signal
Refer to BRC-8, "Component Parts Location"
for detailed installation loca-
tion.
BCM Refer to
BCS-4, "BODY CONTROL SYSTEM : Component Parts Location"

for detailed installation location.
Transmission range switch TM-16, "CVT CONTROL SYSTEM : Transmission Range Switch"
Input speed sensor TM-17, "CVT CONTROL SYSTEM : Input Speed Sensor"
CVT unit connector —
Primary speed sensor TM-16, "CVT CONTROL SYSTEM : Primary Speed Sensor"
Output speed sensor TM-16, "CVT CONTROL SYSTEM : Output Speed Sensor"
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 4231 of 4801

NISSAN TEANA 2014 Service Manual
TM-16
< SYSTEM DESCRIPTION >[CVT: RE0F10D]
COMPONENT PARTS
*: These components are included in control valve assembly.
CVT CONTROL SYSTEM : TCMINFOID:0000000009463963
• The vehicle driving status i

TM-16
< SYSTEM DESCRIPTION >[CVT: RE0F10D]
COMPONENT PARTS
*: These components are included in control valve assembly.
CVT CONTROL SYSTEM : TCMINFOID:0000000009463963
• The vehicle driving status is judged based on the signals
from the sensors, switches, and other control units,
and the optimal transaxle control is performed.
• For TCM control items, refer to TM-30, "CVT CONTROL SYSTEM : System Description"
.
CVT CONTROL SYSTEM : Transmission Range SwitchINFOID:0000000009463964
• The transmission range switch is installed to upper part of transaxle case.
• The transmission range switch detects the selector lever position.
CVT CONTROL SYSTEM : Primary Speed SensorINFOID:0000000009463965
• The primary speed sensor is installed to side cover of transaxle.
• The primary speed sensor detects primary pulley speed.
• The primary speed sensor generates an ON-OFF pulse signal according to the rotating body speed. TCM
judges the rotating body speed from the pulse signal.
CVT CONTROL SYSTEM : Output Speed SensorINFOID:0000000009463966
• The output speed sensor is installed to back side of transaxle.
• The output speed sensor detects final gear speed.
Control
valve CVT fluid temperature sensor*
TM-17, "CVT CONTROL SYSTEM : CVT Fluid Temperature Sensor"
Primary pressure sensor* TM-18, "CVT CONTROL SYSTEM : Primary Pressure Sensor"
Secondary pressure sensor* TM-18, "CVT CONTROL SYSTEM : Secondary Pressure Sensor"
Primary pressure solenoid valve* TM-19, "CVT CONTROL SYSTEM : Primary Pressure Solenoid Valve"
Secondary pressure solenoid valve* TM-19, "CVT CONTROL SYSTEM : Secondary Pressure Solenoid Valve"
Select solenoid valve* TM-19, "CVT CONTROL SYSTEM : Select Solenoid Valve"
Torque converter clutch solenoid
valve* TM-19, "CVT CONTROL SYSTEM : Torq
ue Converter Clutch Solenoid
Va l v e "
Line pressure solenoid valve* TM-20, "CVT CONTROL SYSTEM : Line Pressure Solenoid Valve"
Overdrive control switch TM-20, "CVT CONTROL SYSTEM : Overdrive Control Switch"
No. Component Function
JSDIA1824GB
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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NISSAN TEANA 2014 Service Manual
COMPONENT PARTSTM-17
< SYSTEM DESCRIPTION > [CVT: RE0F10D]
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• The output speed sensor generates the ON-OFF pulse (short waveform) in proportion to the rotating body

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