sensor NISSAN LATIO 2011 Service Repair Manual

CVT-4
CONSULT-III Reference Value in Data Monitor
Mode .................................................................... ..
135
Wiring Diagram - CVT - ODSW .............................136
Diagnosis Procedure .............................................136
Component Inspection ...........................................138
SHIFT POSITION INDICATOR CIRCUIT ........140
Description ........................................................... ..140
CONSULT-III Reference Value in Data Monitor
Mode .................................................................... ..
140
Diagnosis Procedure .............................................140
TROUBLE DIAGNOSIS FOR SYMPTOMS .....141
Wiring Diagram - CVT - NONDTC ....................... ..141
O/D OFF Indicator Lamp Does Not Come On .......143
Engine Cannot Be Started in "P" and "N" Position ..145
In "P" Position, Vehicle Moves Forward or Back-
ward When Pushed ...............................................
145
In "N" Position, Vehicle Moves ............................ ..146
Large Shock "N" → "R" Position .......................... ..146
Vehicle Does Not Creep Backward in "R" Position ..147
Vehicle Does Not Creep Forward in "D" or "L" Po-
sition ......................................................................
148
Vehicle Speed Does Not Change in "L" Position ...149
Vehicle Speed Does Not Change in overdrive-off
mode ......................................................................
150
Vehicle Speed Does Not Change in "D" Position ..151
Vehicle Does Not Decelerate by Engine Brake .....151
CVT SHIFT LOCK SYSTEM ........................... .153
Description ........................................................... ..153
Shift Lock System Electrical Parts Location ..........154
Wiring Diagram - CVT - SHIFT ..............................155
Diagnosis Procedure .............................................155
TCM ..................................................................159
Removal and Installation ..................................... ..159
SHIFT CONTROL SYSTEM ............................160
Removal and Installation ..................................... ..160
CVT Shift Selector Disassembly and Assembly ....163
Shift Selector Handle Removal and Installation ....163
Adjustment of CVT Position ................................. ..164
Checking of CVT Position ......................................164
KEY INTERLOCK CABLE ...............................166
Removal and Installation ..................................... ..166
PRIMARY SPEED SENSOR ...........................169
Exploded View ..................................................... ..169
Removal and Installation .......................................169
Inspection ............................................................. .169
SECONDARY SPEED SENSOR ......................170
Exploded View ..................................................... .170
Removal and Installation .......................................170
Inspection ............................................................. .170
AIR BREATHER HOSE ....................................171
Removal and Installation .......................................171
OIL PAN .......................................................... ..172
Exploded View ..................................................... .172
Removal and Installation .......................................172
Inspection ............................................................. .173
DIFFERENTIAL SIDE OIL SEAL .....................174
Removal and Installation .......................................174
CVT OIL WARMER SYSTEM ......................... ..175
WATER HOSE ........................................................ .175
WATER HOSE : Exploded View ...........................175
WATER HOSE : Removal and Installation ...........175
WATER HOSE : Inspection ..................................176
CVT FLUID COOLER HOSE .................................. .176
CVT FLUID COOLER HOSE : Exploded View .....177
CVT FLUID COOLER HOSE : Removal and In-
stallation ................................................................
177
CVT FLUID COOLER HOSE : Inspection .............179
CVT OIL WARMER ................................................ .179
CVT OIL WARMER : Exploded View ....................179
CVT OIL WARMER : Removal and Installation ....179
CVT OIL WARMER : Inspection .......................... .179
TRANSAXLE ASSEMBLY ...............................180
Removal and Installation .......................................180
SERVICE DATA AND SPECIFICATIONS
(SDS) .............................................................. ..
183
General Specification ........................................... .183
Vehicle Speed When Shifting Gears .....................183
Stall Speed ............................................................183
Line Pressure ........................................................183
Solenoid Valves ....................................................184
CVT Fluid Temperature Sensor ............................184
Primary Speed Sensor ..........................................184
Secondary Speed Sensor .................................... .184
Removal and Installation .......................................184
Revision: May 2010 2011 Versa

INDEX FOR DTCCVT-5
< SERVICE INFORMATION > [RE0F08B]
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SERVICE INFORMATION
INDEX FOR DTC
Alphabetical IndexINFOID:0000000005928718
NOTE:
If DTC “U1000” is displayed with other DTCs, fi rst perform the trouble diagnosis for DTC “U1000”.
Refer to CVT-56
.
*1: These numbers are prescribed by SAE J2012.
*2: Models without ABS does not indicate.
DTC No. IndexINFOID:0000000005928719
NOTE:
If DTC “U1000” is displayed with other DTCs, fi rst perform the trouble diagnosis for DTC “U1000”.
Refer to CVT-56
.
Items
(CONSULT-III screen terms) DTC
Reference page
OBD-II
Except OBD-II
CONSULT-III GST*
1 CONSULT-III only
“TRANSMISSION”
BRAKE SWITCH B —P0703 CVT-60
CAN COMM CIRCUIT U1000 U1000 CVT-56
CONTROL UNIT (CAN)—U1010 CVT-59
ENGINE SPEED —P0725 CVT-81
FLUID PRESS LOW —P0868C V T- 111
FLUID PRESS SEN/SW A P0840P0840CVT-105
FLUID PRESS SEN/SW A —P0841CVT-109
FLUID TEMP SENSOR A P0710P0710CVT-67
INCORRECT GR RATIO —P0730 CVT-83
INPUT SPEED SENSOR A P0715P0715CVT-72
LINE PRESS CONTROL —P1745CVT-128
OUTPUT SPEED SENSOR P0720P0720CVT-76
PC SOLENOID A P0745P0745CVT-91
PC SOLENOID A P0746P0746CVT-96
PC SOLENOID B P0776P0776CVT-98
PC SOLENOID B P0778P0778CVT-100
SLCT SOLENOID P1740P1740CVT-124
SPEED SENSOR —P1723CVT-121
STEP MOTOR P1777P1777CVT-129
STEP MOTOR P1778P1778CVT-133
TCM —P1701CVT-113
THROTTLE CONTROL SIG —P1726CVT-123
T/M RANGE SENSOR A P0705P0705CVT-62
TORQUE CONVERTER P0740P0740CVT-84
TORQUE CONVERTER P0744 P0744 CVT-89
TP SENSOR —P1705CVT-117
VEHICLE SPEED*2— P1722CVT-119
Revision: May 2010 2011 Versa

CVT-6
< SERVICE INFORMATION >[RE0F08B]
INDEX FOR DTC
*1: These numbers are pr
escribed by SAE J2012.
*2: Models without ABS does not indicate.
DTC
Items
(CONSULT-III screen terms) Reference page
OBD-II
Except OBD-II
CONSULT-III GST*
1CONSULT-III only
“TRANSMISSION”
— P0703 BRAKE SWITCH B CVT-60
P0705P0705 T/M RANGE SENSOR A CVT-62
P0710P0710 FLUID TEMP SENSOR A CVT-67
P0715P0715 INPUT SPEED SENSOR A CVT-72
P0720P0720 OUTPUT SPEED SENSOR CVT-76
—P0725 ENGINE SPEED CVT-81
—P0730 INCORRECT GR RATIO CVT-83
P0740P0740 TORQUE CONVERTER CVT-84
P0744 P0744 TORQUE CONVERTER CVT-89
P0745P0745 PC SOLENOID A CVT-91
P0746P0746 PC SOLENOID A CVT-96
P0776P0776 PC SOLENOID B CVT-98
P0778P0778 PC SOLENOID B CVT-100
P0840P0840 FLUID PRESS SEN/SW A CVT-105
—P0841 FLUID PRESS SEN/SW A CVT-109
—P0868 FLUID PRESS LOW C V T- 111
—P1701 TCM CVT-113
—P1705 TP SENSOR CVT-117
—P1722
VEHICLE SPEED*2CVT-119
— P1723 SPEED SENSOR CVT-121
—P1726 THROTTLE CONTROL SIG CVT-123
P1740P1740 SLCT SOLENOID CVT-124
—P1745 LINE PRESS CONTROL CVT-128
P1777P1777 STEP MOTOR CVT-129
P1778P1778 STEP MOTOR CVT-133
U1000U1000 CAN COMM CIRCUIT CVT-56
—U1010 CONTROL UNIT(CAN) CVT-59
Revision: May 2010 2011 Versa

PRECAUTIONSCVT-7
< SERVICE INFORMATION > [RE0F08B]
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PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000006414971
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and w hether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoper ative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the SRS section.
• Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Un it or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or el ectric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000005928721
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NVIS /IVIS (NISSAN/INFINITI
VEHICLE IMMOBILIZER SYSTEM - NATS).
• Remove and install all control units after disconnecti ng both battery cables with the ignition knob in the
″ LOCK ″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NVIS/IVIS, an electrically controlled steering lock
mechanism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
Revision: May 2010 2011 Versa

CVT-8
< SERVICE INFORMATION >[RE0F08B]
PRECAUTIONS
6. Perform a self-diagnosis check of a
ll control units using CONSULT-III.
Precaution for On Board Diagnosis (OBD) System of CVT and EngineINFOID:0000000005928722
The ECM has 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 disconnect the battery cable from the negative terminal
before any repair or inspection work. The open/sho rt 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 th e 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 EVAP 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.
Service After Replacing TCM and Transaxle AssemblyINFOID:0000000005928723
SERVICE AFTER REPLACING TCM AND TRANSAXLE ASSEMBLY
Perform the applicable service according to the following table when replacing TCM or transaxle assembly.
CAUTION:
• Never start the engine unti l the service is completed.
• “DTC P1701” may be indicated soon after replaci ng TCM or transaxle assembly (after erasing the
memory in the pattern B). Restart the self-diagnos is after erasing the self-diagnosis result using
CONSULT-III. Check that no error is detected.
NOTE:
Old unit means that the unit has been already used for another vehicle.
PATTERN A
1. Shift the selector lever to “P” position after replacing TCM.
2. Turn ignition switch ON.
3. Check that the shift position indicator in the combination meter turns ON (It indicates approximately 1 or 2 seconds after turning ignition switch ON.)
• Check the following items if shift position indicator does not turn ON. Repair or replace accordingly as
necessary.
- The harness between TCM and ROM ASSY in tr ansaxle assembly is open or shorted.
- Terminals disconnected, loose, or bent from connector housing.
PATTERN B
1. Turn ignition switch ON after replacing each part.
2. Connect the vehicle with CONSULT-III.
3. Start engine.
CAUTION:
Never start driving.
4. Select “Data monitor” in “TRANSMISSION”.
5. Warm up transaxle assembly until “ATFTEMP COUNT” indicates 47 [approximately 20° C (68°F)] or more,
and then turn ignition switch OFF.
TCM Transaxle assembly Service pattern
Replaced with new unit Not replaced the unit “PATTERN A”
Not replaced the unit Replaced with new or old unit
“PATTERN B”
Replaced with old unit Not replaced the unit
Replaced with new or old unit
Replaced with new unit Replaced with new or old unit “PATTERN C”
Revision: May 2010 2011 Versa

CVT SYSTEMCVT-21
< SERVICE INFORMATION > [RE0F08B]
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Hydraulic Control SystemINFOID:0000000005928735
TCM FunctionINFOID:0000000005928736
The function of the TCM is to:
• Receive input signals sent from various switches and sensors.
• Determine required line pressure, shifting point, and lock-up operation.
• Send required output signals to the step motor and the respective solenoids.
CONTROL SYSTEM OUTLINE
The CVT senses vehicle operating conditions through various sensors. It always controls the optimum shift
position and reduces shifting and lock-up shocks.
AWDIA0768GB
SENSORS (or SIGNAL)
⇒TCM
⇒ACTUATORS
Transmission range switch
Accelerator pedal position signal
Closed throttle position signal
Engine speed signal
CVT fluid temperature sensor
Vehicle speed signal
Overdrive control signal
Stop lamp switch signal
Primary speed sensor
Secondary speed sensor
Secondary pressure sensor Shift control
Line pressure control
Primary pressure control
Secondary pressure control
Lock-up control
Engine brake control
Vehicle speed control
Fail-safe control
Self-diagnosis
CONSULT-III co
mmunication
line
Duet-EA control
CAN system
On board diagnosis Step motor
Torque converter clutch solenoid
valve
Lock-up select solenoid valve
Line pressure solenoid valve
Secondary pressure solenoid
valve
Shift position indicator
O/D OFF indicator lamp
Starter relay
Revision: May 2010
2011 Versa

CVT-22
< SERVICE INFORMATION >[RE0F08B]
CVT SYSTEM
CONTROL SYSTEM DIAGRAM
CAN CommunicationINFOID:0000000005928737
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication s
peed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CA N communication, control units are connected with 2
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only. For details, refer to LAN-7,
"System Description".
Input/Output Signal of TCMINFOID:0000000005928738
AWDIA0769GB
Control itemFluid
pressure control Select con-
trol Shift control Lock-up
control CAN com-
munication control Fail-safe
function (*3)
Input T
ra n sm is sio n r ang e s wit c h XXXXXX
Accelerator pedal position signal
(*1)XXXXXX
Closed throttle position signal
(*1)X XXX
Engine speed signal
(*1)XX XXX
CVT fluid temperature sensor XX XX X
Stop lamp switch signal
(*1)X XXX
Overdrive control signal
(*1)XX
Primary speed sensor X XXXX
Secondary speed sensor XXXXXX
Secondary pressure sensor XX X
T C M pow er s upp ly v olt a ge s ig n al XXXXXX
Revision: May 2010 2011 Versa

CVT SYSTEMCVT-23
< SERVICE INFORMATION > [RE0F08B]
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*1: Input by CAN communications.
*2: Output by CAN communications.
*3: If these input and output signals are different, the TCM triggers the fail-safe function.
Line Pressure and Secondary Pressure ControlINFOID:0000000005928739
• When an input torque signal equivalent to the engine drive force is sent from the ECM to the TCM, the TCM
controls the line pressure solenoid valve and secondary pressure solenoid valve.
• This line pressure solenoid controls the pressure regulat or valve as the signal pressure and adjusts the pres-
sure of the operating oil discharged from the oil pump to the line pressure most appropriate to the driving
state. Secondary pressure is cont rolled by decreasing line pressure.
NORMAL CONTROL
Optimize the line pressure and secondary pressure, dependi ng on driving conditions, on the basis of the throt-
tle position, the engine speed, the primary pulley (input ) revolution speed, the secondary pulley (output) revo-
lution speed, the brake signal, the transmission range switch signal, the lock-up signal, the voltage, the target
gear ratio, the fluid temperat ure, and the fluid pressure.
FEEDBACK CONTROL
When controlling the normal fluid pressure or the sele cted fluid pressure, the secondary pressure can be set
more accurately by using the fluid pressure sensor to detect the secondary pressure and controlling the feed-
back.
Shift ControlINFOID:0000000005928740
In order to select the gear ratio which can obtain the dr iving 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 send the com-
Out-
putSte p mo tor
XX
TCC solenoid valve XXX
Lock-up select solenoid valve XXX
Line pressure solenoid valve XXX X
Secondary pressure solenoid valve XX X
O/D OFF indicator signal
(*2)XX
Control item
Fluid
pressure
control Select con-
trol Shift control
Lock-up
control CAN com-
munication
control Fail-safe
function
(*3)
SCIA1846E
Revision: May 2010 2011 Versa

ON BOARD DIAGNOSTIC (OBD) SYSTEMCVT-27
< SERVICE INFORMATION > [RE0F08B]
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
IntroductionINFOID:0000000005928743
The CVT system has two self-diagnostic systems.
The first is the emission-related on board diagnostic syst em (OBD-II) performed by the TCM in combination
with the ECM. The malfunction is indicated by the MI L (malfunction indicator lamp) and is stored as a DTC in
the ECM memory, and the TCM memory.
The second is the TCM original self-diagnosis perform ed by the TCM. The malfunction is stored in the TCM
memory. The detected items are overlapped with OBD-II self-diagnostic items. For detail, refer to CVT-48,
"CONSULT-III Function (TRANSMISSION)".
OBD-II Function for CVT SystemINFOID:0000000005928744
The ECM provides emission-related on board diagnostic (OBD-II) functions for the CVT system. One function
is to receive a signal from the TCM used with OBD-relat ed parts of the CVT system. The signal is sent to the
ECM when a malfunction occurs in the corresponding OBD-re lated part. The other function is to indicate a
diagnostic result by means of the MIL (malfunction indica tor lamp) on the instrument panel. Sensors, switches
and solenoid valves are used as sensing elements.
The MIL automatically illuminates in One or Two Trip Detection Logic when a malfunction is sensed in relation
to CVT system parts.
One or Two Trip Detection Logic of OBD-IIINFOID:0000000005928745
ONE TRIP DETECTION LOGIC
If a malfunction is sensed during the first test drive, the MIL will illuminate and the malfunction will be stored in
the ECM memory as a DTC. The TCM is not provided with such a memory function.
TWO TRIP DETECTION LOGIC
When a malfunction is sensed during the first test drive, it is stored in the ECM memory as a 1st trip DTC
(diagnostic trouble code) or 1st trip freeze frame data. At this point, the MIL will not illuminate. — 1st trip
If the same malfunction as that experienced during the fi rst test drive is sensed during the second test drive,
the MIL will illuminate. — 2nd trip
The “trip” in the “One or Two Trip Detection Logic” m eans a driving mode in which self-diagnosis is performed
during vehicle operation.
OBD-II Diagnostic Trouble Code (DTC)INFOID:0000000005928746
HOW TO READ DTC AND 1ST TRIP DTC
DTC and 1st trip DTC can be read by the following methods.
( with CONSULT-III or GST) CONSULT-III or GST (Generic Scan Tool) Examples: P0705, P0720 etc.
These DTC are prescribed by SAE J2012.
(CONSULT-III also displays the malfunctioning component or system.)
• 1st trip DTC No. is the same as DTC No.
• Output of the diagnostic trouble code indicates that the indicated circuit has a malfunction. How-
ever, in case of the Mode II and GST, they do not indicate whether the malfunction is still occurring or
occurred in the past and returned to normal.
CONSULT-III can identify them as shown below, therefore, CONS ULT-III (if available) is recom-
mended.
DTC or 1st trip DTC of a malfunction is displayed in SELF-DIAGNOSTIC RESULTS mode for “ENGINE” with
CONSULT-III. Time data indicates how many times the vehicle was driven after the last detection of a DTC.
If the DTC is being detected curr ently, the time data will be “0”.
If a 1st trip DTC is stored in the ECM, the time data will be “1t”.
Freeze Frame Data and 1st Trip Freeze Frame Data
Revision: May 2010 2011 Versa

CVT-30
< SERVICE INFORMATION >[RE0F08B]
TROUBLE DIAGNOSIS
TROUBLE DIAGNOSIS
DTC Inspection Priority ChartINFOID:0000000005928748
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
NOTE:
If DTC “U1000” is displayed with other DTCs, first perform the trouble diagnosis for DTC “U1000”.
Refer to
CVT-56
.
Fail-SafeINFOID:0000000005928749
The TCM has an electrical fail-safe mode. This mode make s it possible to operate even if there is an error in a
main electronic control input/output signal circuit.
FAIL-SAFE FUNCTION
If any malfunction occurs in a sensor or solenoid, this function controls the CVT to make driving possible.
Secondary Speed Sensor
The shift pattern is changed in accordance with thrott le position when an unexpected signal is sent from the
secondary speed sensor to the TCM. T he overdrive-off mode is inhibited, and the transaxle is put in “D”.
Primary Speed Sensor
The shift pattern is changed in accordance with thro ttle position and secondary speed (vehicle speed) when
an unexpected signal is sent from the primary speed sensor to the TCM. The overdrive-off mode is inhibited,
and the transaxle is put in “D”.
Transmission Range Switch
If an unexpected signal is sent from the transmission range switch to the TCM, the transaxle is put in “D”.
CVT Fluid Temperature Sensor
If an unexpected signal is sent from the CVT fluid temperature sensor to the TCM, the gear ratio in use before
receiving the unexpected signal is maintained or t he gear ratio is controlled to keep engine speed under 3500
rpm.
Secondary Pressure Sensor
• If an unexpected signal is sent from the secondary pressure sensor to the TCM, the secondary pressure
feedback control is stopped and the offset value obtai ned before the non-standard condition occurs is used
to control line pressure.
• If secondary pressure sensor error signal is input to TCM, secondary pressure feedback control stops, but line pressure is controlled normally.
Line Pressure Solenoid
If an unexpected signal is sent from the solenoid to the TCM, the line pressure solenoid is turned OFF to
achieve the maximum fluid pressure.
Secondary Pressure Solenoid
If an unexpected signal is sent from the solenoid to t he TCM, the secondary pressure solenoid is turned OFF
to achieve the maximum fluid pressure.
Torque Converter Clutch Solenoid
If an unexpected signal is sent from the solenoid to t he TCM, the torque converter clutch solenoid is turned
OFF to cancel the lock-up.
Step Motor
If an unexpected signal is sent from the step motor to the TCM, the step motor coil phases “A” through “D” are
all turned OFF to hold the gear ratio used right before the non-standard condition occurred.
CVT Lock-up Select Solenoid
If an unexpected signal is sent from the solenoid to the TCM, the CVT lock-up select solenoid is turned OFF to
cancel the lock-up.
Priority Detected items (DTC)
1 U1000
2 Except above
Revision: May 2010 2011 Versa