2011 NISSAN LATIO wiring

ON BOARD DIAGNOSTIC (OBD) SYSTEMCVT-29
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The MIL is located on the instrument panel.
1. The MIL will light up when the ignition switch is turned ON with- out the engine running. This is a bulb check.
• If the MIL does not light up, refer to DI-21, "
Schematic", or see
EC-1033, "
Wiring Diagram".
2. When the engine is start ed, the MIL should go off.
If the MIL remains on, the on board diagnostic system has
detected an engine system malfunction.
SEF217U
Revision: May 2010 2011 Versa

TROUBLE DIAGNOSISCVT-31
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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 RepairINFOID:0000000005928750
INTRODUCTION
The TCM receives a signal from the vehicle speed sensor, transmission range switch and provides shift con-
trol 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 wit h the OBD-related parts of the
CVT system for malfunction-diagnos tic 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 impr oper wiring. In this case, careful
checking of suspected circuits may help prevent the replacement of
good parts.
A visual check only may not find t he cause of the errors. A road test
with CONSULT-III (or GST) or a circuit tester connected should be
performed. Follow the "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 "Diagnostic Worksheet Chart" )
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.
WORK FLOW
A good understanding of the malfunction conditions can make troubleshooting faster and more accurate.
In general, each customer feels differently about a malf unction. It is important to fully understand the symp-
toms or conditions for a customer complaint.
Make good use of the two sheets provided, "Information From Customer" and "Diagnostic Worksheet Chart" ,
to perform the best troubleshooting possible.
Work Flow Chart
SAT631IB
SAT632I
SEF234G
Revision: May 2010 2011 Versa

CVT-56
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U1000 CAN COMM CIRCUIT
U1000 CAN COMM CIRCUIT
DescriptionINFOID:0000000005928762
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 vehi
cle, 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 li ne) allowing a high rate of information transmission
with less wiring. Each control unit transmits/recei ves data but selectively reads required data only.
On Board Diagnosis LogicINFOID:0000000005928763
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “U1000” with CONSULT-III is detected when TCM cannot communicate to other
control units.
Possible CauseINFOID:0000000005928764
Harness or connectors
(CAN communication line is open or shorted.)
DTC Confirmation ProcedureINFOID:0000000005928765
NOTE:
If “DTC Confirmation Procedure” has been previously performed, alw ays 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-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “DATA MONITOR” mode fo r “TRANSMISSION” with CONSULT-III.
3. Start engine and wait for at least 6 seconds.
4. If DTC is detected, go to CVT-58, "
Diagnosis Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-III”.
Revision: May 2010 2011 Versa

U1000 CAN COMM CIRCUITCVT-57
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Wiring Diagram - CVT - CANINFOID:0000000005928766
TCM TERMINALS AND REFERENCE VALUES
Refer to CVT-46, "TCM Terminal and Reference Value".
BCWA0668E
Revision: May 2010 2011 Versa

U1010 CONTROL UNIT (CAN)CVT-59
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U1010 CONTROL UNIT (CAN)
DescriptionINFOID:0000000005928768
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 communica tion 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 LogicINFOID:0000000005928769
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “U1010” with CONSULT-III is detected when TCM cannot communicate to other control units.
Possible CauseINFOID:0000000005928770
Harness or connectors
(CAN communication line is open or shorted.)
DTC Confirmation ProcedureINFOID:0000000005928771
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-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Start engine and wait for at least 6 seconds.
4. If DTC is detected, go to CVT-59, "
Diagnosis Procedure".
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis ProcedureINFOID:0000000005928772
1.CHECK DTC
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “SELF-DIAG RESULTS” mode for “TRANSMISSION” with CONSULT-III.
3. Touch “ERASE”.
4. Turn ignition switch OFF and wait for at least 10 seconds.
5. Perform “DTC confirmation procedure”. Refer to CVT-59, "
DTC Confirmation Procedure".
Is any malfunction of the
“U1010” indicated?
YES >> Replace the TCM. Refer to CVT-159, "Removal and Installation".
NO >> INSPECTION END
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P0703 BRAKE SWITCH BCVT-61
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OK or NG
OK >> INSPECTION END
NG >> GO TO 3.
3.CHECK STOP LAMP SWITCH
Check continuity between stop lamp switch harness connector E13
terminals 1 and 2. Refer to CVT-141, "
Wiring Diagram - CVT - NON-
DTC".
Check stop lamp switch after adjusting brake pedal — refer to
BR-6
.
OK or NG
OK >> Check the following. If NG, repair or replace damaged parts. • Harness for short or open between battery and stop lamp switch.
• Harness for short or open between stop lamp switch and combination meter.
NG >> Repair or replace the stop lamp switch.
Item name ConditionDisplay value
BRAKE SW Depressed brake pedal on
Released brake pedal off
Condition
Continuity
When brake pedal is depressed Yes
When brake pedal is released No
SCIA7982E
Revision: May 2010 2011 Versa

P0705 TRANSMISSION RANGE SWITCH A
CVT-63
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Wiring Diagram - CVT - TR/SWINFOID:0000000005928784
TCM TERMINALS AND REFERENCE VALUES
Refer to CVT-46, "TCM Terminal and Reference Value" .
ABDWA0193GB
Revision: May 2010 2011 Versa

CVT-68
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P0710 TRANSMISSION FLUID
TEMPERATURE SENSOR A
Wiring Diagram - CVT - FTS
INFOID:0000000005928792
TCM TERMINALS AND REFERENCE VALUES
Refer to CVT-46, "TCM Terminal and Reference Value".
AADWA0018GB
Revision: May 2010 2011 Versa