2011 NISSAN LATIO Service Repair Manual

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NISSAN LATIO 2011 Service Repair Manual DTC P1572 ASCD BRAKE SWITCHEC-939
< SERVICE INFORMATION > [MR18DE]
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3. Check continuity between ASCD clutch switch terminals 1 and 2
under the following conditions.
If N

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NISSAN LATIO 2011 Service Repair Manual EC-940
< SERVICE INFORMATION >[MR18DE]
DTC P1574 ASCD VEHICLE SPEED SENSOR
DTC P1574 ASCD VEHICLE SPEED SENSOR
Component DescriptionINFOID:0000000006342136
The ECM receives two vehicle speed signals v

EC-940
< SERVICE INFORMATION >[MR18DE]
DTC P1574 ASCD VEHICLE SPEED SENSOR
DTC P1574 ASCD VEHICLE SPEED SENSOR
Component DescriptionINFOID:0000000006342136
The ECM receives two vehicle speed signals via CAN co
mmunication line. One is sent from "ABS actuator
and electric unit (control unit)" or combination meter, and the other is from TCM (Transmission control mod-
ule). The ECM uses these signals for ASCD control. Refer to EC-523
for ASCD functions.
On Board Diagnosis LogicINFOID:0000000006342137
NOTE:
•If DTC P1574 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
• If DTC P1574 is displayed with DTC P0500, first perform the trouble diagno sis for DTC P0500. Refer
to EC-887
.
• If DTC P1574 is displayed with DTC P0605, first perform the trouble diagno sis for DTC P0605. Refer
to EC-895
.
• If DTC P1574 is displayed with DTC P0607, first perform the trouble diagno sis for DTC P0607. Refer
to EC-897
.
This self-diagnosis has the one trip detection logic.
The MIL will not light up for this diagnosis.
DTC Confirmation ProcedureINFOID:0000000006342138
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Step 3 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test
is expected to be easier, it is unnecessary to lift the vehicle.
1. Start engine.
2. Drive the vehicle at more than 40 km/h (25MPH).
3. Check DTC.
4. If DTC is detected, go to EC-940, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006342139
1.CHECK DTC WITH TCM
Check DTC with TCM. Refer to AT- 3 9
(A/T) or CVT-27 (CVT).
OK or NG
OK >> GO TO 2.
NG >> Perform trouble shooting relevant to DTC indicated.
2.CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT”
Refer to BRC-46
.
OK or NG
OK >> GO TO 3.
DTC No. Trouble diagnosis
name DTC detecting condition
Possible cause
P1574
1574 ASCD vehicle speed
sensor ECM detects a difference between two vehicle
speed signals is out of the specified range. • Harness or connectors
(CAN communication line is open or shorted.)
• Harness or connectors (Combination meter circuit is open or shorted.)
•TCM
• ABS actuator and electric unit (control unit)
• Combination meter
•ECM
Revision: May 2010 2011 Versa

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NISSAN LATIO 2011 Service Repair Manual DTC P1574 ASCD VEHICLE SPEED SENSOR
EC-941
< SERVICE INFORMATION > [MR18DE]
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NG >> Repair or replace.
3.CHECK COMBINATION METER
Check combination meter function.
Refer t

Page 2236 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-942
< SERVICE INFORMATION >[MR18DE]
DTC P1715 INPUT SPEED SENSOR
DTC P1715 INPUT SPEED SENSOR
A/T
A/T : DescriptionINFOID:0000000006342140
ECM receives input speed sensor signal from TCM through CA

EC-942
< SERVICE INFORMATION >[MR18DE]
DTC P1715 INPUT SPEED SENSOR
DTC P1715 INPUT SPEED SENSOR
A/T
A/T : DescriptionINFOID:0000000006342140
ECM receives input speed sensor signal from TCM through CAN communication line. ECM uses this signal for
engine control.
A/T : CONSULT-III Reference
Value in Data Monitor ModeINFOID:0000000006342141
Specification data are reference values.
A/T : On Board Diagnosis LogicINFOID:0000000006342142
NOTE:
•If DTC P1715 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
• If DTC P1715 is displayed with DTC P0335, first perform the trouble diagno sis for DTC P0335. Refer
to EC-793
.
• If DTC P1715 is displayed with DTC P0340 first perform the trouble diagnosis for DTC P0340.
Refer to EC-799
.
• If DTC P1715 is displayed with DTC P0605, first perform the trouble diagno sis for DTC P0605. Refer
to EC-895
.
• If DTC P1715 is displayed with DTC P0607, first perform the trouble diagno sis for DTC P0607. Refer
to EC-897
.
The MIL will not lights up for this diagnosis.
A/T : Diagnosis ProcedureINFOID:0000000006342143
1.CHECK DTC WITH TCM
Check DTC with TCM. Refer to AT- 3 9
.
OK or NG
OK >> GO TO 2.
NG >> Perform trouble shooting relevant to DTC indicated.
2.REPLACE TCM
Replace TCM. Refer to AT-212
.
>> INSPECTION END
CVT
CVT : DescriptionINFOID:0000000006342144
ECM receives input speed sensor signal from TCM through CAN communication line.
CVT : CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000006342145
Specification data are reference values.
Monitor item Condition Specification
I/P PULLY SPD • Vehicle speed: More than 20 km/h (12MPH) Almost the same speed as the
tachometer indication
DTC No. Trouble diagnosis name DTC detecting condition
Possible cause
P1715
1715 Input speed sensor
(TCM output) Input speed sensor signal is different from
the theoretical value calculated by ECM
from output speed sensor signal and en-
gine rpm signal. • Harness or connectors
(CAN communication line is open or shorted)
• Harness or connectors (Input speed sensor circuit is open or shorted)
•TCM
Revision: May 2010 2011 Versa

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NISSAN LATIO 2011 Service Repair Manual DTC P1715 INPUT SPEED SENSOREC-943
< SERVICE INFORMATION > [MR18DE]
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OCVT : On Board Diagnosis LogicINFOID:0000000006342146
NOTE:
•
If DTC P1715 is displayed with DTC U

DTC P1715 INPUT SPEED SENSOREC-943
< SERVICE INFORMATION > [MR18DE]
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OCVT : On Board Diagnosis LogicINFOID:0000000006342146
NOTE:
•
If DTC P1715 is displayed with DTC UXXXX, first perform the tr ouble diagnosis for DTC UXXXX.
• If DTC P1715 is displayed with DT C P0335, first perform the trouble diagnosis for DTC P0335. Refer
to EC-793
.
• If DTC P1715 is displayed with DTC P0340 first perform the trouble diagnosis for DTC P0340.
Refer to EC-799
.
• If DTC P1715 is displayed with DT C P0605, first perform the trouble diagnosis for DTC P0605. Refer
to EC-895
.
• If DTC P1715 is displayed with DT C P0607, first perform the trouble diagnosis for DTC P0607. Refer
to EC-897
.
The MIL will not lights up for this diagnosis.
CVT : DTC Confirmation ProcedureINFOID:0000000006342147
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
1. Start engine.
2. Drive vehicle at a speed of more than 50 km/h (31 MPH) for at least 5 seconds.
3. Check 1st trip DTC.
4. If 1st trip DTC is detected, go to EC-943, "
CVT : Diagnosis Procedure".
CVT : Diagnosis ProcedureINFOID:0000000006342148
1.CHECK DTC WITH TCM
Check DTC with TCM. Refer to CVT-27
.
OK or NG
OK >> GO TO 2.
NG >> Perform trouble shooting relevant to DTC indicated.
2.REPLACE TCM
Replace TCM. Refer to CVT-159
.
>> INSPECTION END
Monitor item Condition Specification
I/P PULLY SPD • Vehicle speed: More than 20 km/h (12MPH) Almost the same speed as the
tachometer indication
DTC No. Trouble diagnosis name DTC detecting condition
Possible cause
P1715
1715 Input speed sensor
(TCM output) Input speed sensor signal is different from
the theoretical value calculated by ECM
from output speed sensor signal and en-
gine rpm signal. • Harness or connectors
(CAN communication line is open or shorted)
• Harness or connectors (Input speed sensor circuit is open or shorted)
•TCM
Revision: May 2010 2011 Versa

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NISSAN LATIO 2011 Service Repair Manual EC-944
< SERVICE INFORMATION >[MR18DE]
DTC P1805 BRAKE SWITCH
DTC P1805 BRAKE SWITCH
DescriptionINFOID:0000000006342149
Brake switch signal is applied to the ECM through the stop lamp switch when the

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NISSAN LATIO 2011 Service Repair Manual DTC P1805 BRAKE SWITCHEC-945
< SERVICE INFORMATION > [MR18DE]
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Wiring DiagramINFOID:0000000006342153
Specification data are reference values and are measured between eac

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NISSAN LATIO 2011 Service Repair Manual EC-946
< SERVICE INFORMATION >[MR18DE]
DTC P1805 BRAKE SWITCH
Diagnosis Procedure
INFOID:0000000006342154
1.CHECK STOP LAMP SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Check the stop lamp when depr

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