2006 NISSAN VERSA wiring

CVT-5
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CVT
Revision: June 20062007 Versa SYMPTOM: ....................................................... 182
DIAGNOSTIC PROCEDURE ............................ 182
In “N” Position, Vehicle Moves ............................. 182
SYMPTOM: ....................................................... 182
DIAGNOSTIC PROCEDURE ............................ 182
Large Shock “N” → “R” Position ........................... 183
SYMPTOM: ....................................................... 183
DIAGNOSTIC PROCEDURE ............................ 183
Vehicle Does Not Creep Backward in “R” Position . 184
SYMPTOM: ....................................................... 184
DIAGNOSTIC PROCEDURE ............................ 184
Vehicle Does Not Creep Forward in “D” or “L” Posi-
tion ....................................................................... 185
SYMPTOM: ....................................................... 185
DIAGNOSTIC PROCEDURE ............................ 185
Vehicle Speed Does Not Change in “L” Position .. 186
SYMPTOM: ....................................................... 186
DIAGNOSTIC PROCEDURE ............................ 186
Vehicle Speed Does Not Change in overdrive-off
mode .................................................................... 187
SYMPTOM: ....................................................... 187
DIAGNOSTIC PROCEDURE ............................ 187
Vehicle Speed Does Not Change in “D” Position . 188
SYMPTOM: ....................................................... 188
DIAGNOSTIC PROCEDURE ............................ 188
Vehicle Does Not Decelerate by Engine Brake .... 189
SYMPTOM: ....................................................... 189
DIAGNOSTIC PROCEDURE ............................ 189
TRANSMISSION CONTROL MODULE ................. 190
Removal and Installation ...................................... 190
COMPONENTS ................................................ 190
REMOVAL ......................................................... 190
INSTALLATION ................................................. 190
SHIFT CONTROL SYSTEM ................................... 191
Removal and Installation ...................................... 191
CONTROL DEVICE COMPONENTS ............... 191
CONTROL CABLE COMPONENTS ................. 192
REMOVAL ......................................................... 192
INSTALLATION ................................................. 194
Control Device Disassembly and Assembly ......... 194
DISASSEMBLY ................................................. 194ASSEMBLY .......................................................194
Selector Lever Knob Removal and Installation .....195
REMOVAL .........................................................195
INSTALLATION .................................................195
Adjustment of CVT Position ..................................195
Checking of CVT Position .....................................196
CVT SHIFT LOCK SYSTEM ...................................197
Description ............................................................197
Shift Lock System Electrical Parts Location .........197
Wiring Diagram — CVT — SHIFT ........................198
Diagnostic Procedure ...........................................199
KEY INTERLOCK CABLE ......................................202
Removal and Installation ......................................202
COMPONENTS .................................................202
REMOVAL .........................................................202
INSTALLATION .................................................203
AIR BREATHER HOSE ..........................................205
Removal and Installation ......................................205
REMOVAL .........................................................205
INSTALLATION .................................................205
DIFFERENTIAL SIDE OIL SEAL ............................206
Removal and Installation ......................................206
COMPONENTS .................................................206
REMOVAL .........................................................206
INSTALLATION .................................................206
TRANSAXLE ASSEMBLY ......................................207
Removal and Installation ......................................207
COMPONENTS .................................................207
REMOVAL .........................................................207
INSTALLATION .................................................208
SERVICE DATA AND SPECIFICATIONS (SDS) ....210
General Specifications ..........................................210
Vehicle Speed When Shifting Gears ....................210
Stall Speed ...........................................................210
Line Pressure .......................................................210
Solenoid Valves ....................................................210
CVT Fluid Temperature Sensor ............................211
Primary Speed Sensor .........................................211
Secondary Speed Sensor .....................................211
Removal and Installation ......................................211

CVT-8
PRECAUTIONS
Revision: June 20062007 Versa
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
UCS005XD
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 severity 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 whether 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.
WAR NIN G:

To avoid rendering the SRS inoperative, 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 per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions Necessary for Steering Wheel Rotation After Battery DisconnectUCS006Y0
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 disconnecting both battery cables with the ignition knob in the
″LOCK″ position.

Always use CONSULT-II 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.)
6. Perform a self-diagnosis check of all control units using CONSULT-II.

CVT SYSTEM
CVT-25
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CVT
Revision: June 20062007 Versa
CAN CommunicationUCS005XU
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 speed 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 CAN 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-47,
"CAN System Specification Chart" .
Input/Output Signal of TCMUCS005XV
*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.Control itemFluid
pressure
controlSelect con-
trolShift con-
trolLock-up
controlCAN com-
munication
controlFail-safe
function
(*3)
InputPNP switch XXXXXX
Accelerator pedal position signal
(*1)XXXXXX
Closed throttle position signal
(*1)X XXX
Engine speed signal
(*1)XX XXX
CVT fluid temperature sensor X X X X X
Stop lamp switch signal
(*1)X XXX
Overdrive control signal
(*1)XX
Primary speed sensor X XXXX
Secondary speed sensor XXXXXX
Primary pressure sensor X X
Secondary pressure sensor X X X
TCM power supply voltage signal XXXXXX
Out-
putStep motor X X
TCC solenoid valve X X X
Lock-up select solenoid valve X X X
Line pressure solenoid valve X X X X
Secondary pressure solenoid valve X X X
O/D OFF indicator signal
(*2)XX

TROUBLE DIAGNOSIS
CVT-35
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Revision: June 20062007 Versa
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.
TCM Power Supply (Memory Back-up)
Transaxle assembly is protected by limiting the engine torque when the memory back-up power supply (for
controlling) from the battery is not supplied to TCM. Normal statues is restored when turning the ignition switch
OFF to ON after the normal power supply.
How to Perform Trouble Diagnosis for Quick and Accurate RepairUCS005Y7
INTRODUCTION
The TCM receives a signal from the vehicle speed sensor, PNP switch and provides shift control or lock-up
control via CVT solenoid valves.
The TCM also communicates with the ECM by means of a signal
sent from sensing elements used with the OBD-related parts of the
CVT system for malfunction-diagnostic purposes. The TCM is capa-
ble of diagnosing malfunctioning parts while the ECM can store mal-
functions in its memory.
Input and output signals must always be correct and stable in the
operation of the CVT system. The CVT system must be in good
operating condition and be free of valve seizure, solenoid valve mal-
function, etc.
It is much more difficult to diagnose an error that occurs intermit-
tently rather than continuously. Most intermittent errors are caused
by poor electric connections or improper wiring. In this case, careful
checking of suspected circuits may help prevent the replacement of
good parts.
A visual check only may not find the cause of the errors. A road test
with CONSULT-II (or GST) or a circuit tester connected should be
performed. Follow the CVT-36, "
WORK FLOW" .
Before undertaking actual checks, take a few minutes to talk with a
customer who approaches with a driveability complaint. The cus-
tomer can supply good information about such errors, especially
intermittent ones. Find out what symptoms are present and under
what conditions they occur. A “DIAGNOSTIC WORKSHEET” as
shown on the example (Refer to CVT-37
) should be used.
Start your diagnosis by looking for “conventional” errors first. This will
help troubleshoot driveability errors on an electronically controlled
engine vehicle.
Also check related Service bulletins.
SAT6 3 1IB
SAT6 3 2I
SEF 2 34 G

CVT-68
DTC U1000 CAN COMMUNICATION LINE
Revision: June 20062007 Versa
DTC U1000 CAN COMMUNICATION LINEPFP:23710
DescriptionUCS005YK
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 speed and excellent malfunction detection ability.
Many electronic control units are equipped onto a vehicle, and each control unit shares information and links
with other control units during operation (not independent). In CAN communication, control units are con-
nected 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.
On Board Diagnosis LogicUCS005YL

This is an OBD-II self-diagnostic item.

Diagnostic trouble code “U1000 CAN COMM CIRCUIT” with CONSULT-II is detected when TCM cannot
communicate to other control units.
Possible CauseUCS005YM
Harness or connectors
(CAN communication line is open or shorted.)
DTC Confirmation ProcedureUCS005YN
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, touch “ERASE” on “SELF-DIAG RESULTS” and then perform the following procedure to con-
firm the malfunction is eliminated.
WITH CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “DATA MONITOR” mode for “TRANSMISSION” with
CONSULT-II.
3. Start engine and wait for at least 6 seconds.
4. If DTC is detected, go to CVT-70, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
BCIA0031E

DTC U1000 CAN COMMUNICATION LINE
CVT-69
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Revision: June 20062007 Versa
Wiring Diagram — CVT — CANUCS005YO
BCWA0668E

DTC U1010 TRANSMISSION CONTROL MODULE (CAN)
CVT-71
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Revision: June 20062007 Versa
DTC U1010 TRANSMISSION CONTROL MODULE (CAN)PFP:31036
DescriptionUCS006KU
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 speed and excellent malfunction detection ability.
Many electronic control units are equipped onto a vehicle, and each control unit shares information and links
with other control units during operation (not independent). In CAN communication, control units are con-
nected 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.
On Board Diagnosis LogicUCS006KV

This is an OBD-II self-diagnostic item.

Diagnostic trouble code “U1010 CONTROL UNIT(CAN)” with CONSULT-II is detected when TCM cannot
communicate to other control units.
Possible CauseUCS006KW
Harness or connectors
(CAN communication line is open or shorted.)
DTC Confirmation ProcedureUCS006KX
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, touch “ERASE” on “SELF-DIAG RESULTS” and then perform the following procedure to con-
firm the malfunction is eliminated.
WITH CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “DATA MONITOR” mode for “TRANSMISSION” with
CONSULT-II.
3. Start engine and wait for at least 6 seconds.
4. If DTC is detected, go to CVT-71, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
Diagnostic ProcedureUCS006KY
1. CHECK DTC
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “SELF-DIAG RESULTS” mode for “TRANSMISSION” with CONSULT-II.
3. Touch “ERASE”.
4. Turn ignition switch OFF and wait for at least 10 seconds.
5. Perform “DTC confirmation procedure”. Refer to CVT-71, "
DTC Confirmation Procedure" .
Is any malfunction of the
“U1010 CONTROL UNIT(CAN)” indicated?
YES >> Replace the TCM. Refer to CVT-190, "Removal and Installation" .
NO >>INSPECTION END
BCIA0031E

DTC P0615 START SIGNAL CIRCUIT
CVT-73
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Revision: June 20062007 Versa
Wiring Diagram — CVT — STSIGUCS005YV
BCWA0669E