2009 NISSAN LATIO ignition

CONSULT-III
Reference Value in Data Monitor Mode " .
Without CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Change selector lever to “P“, “R”, “N”, “D” and “L” positions to
check voltage between the CVT unit harness connector termi-
nals and ground.
OK or NG OK >> GO TO 6.
NG >> GO TO 2. OK >> GO TO 6.
NG >> GO TO 3. Shift
position Connector E31, E32
Terminal
18 - Ground 22 - Ground 26 - Ground 43 - Ground 44 - Ground
P Battery volt-
age 0 V 0 V 0 V 0 V
R 0 V Battery volt-
age 0 V 0 V 0 V
N 0 V 0 V Battery volt-
age 0 V 0 V
D 0 V 0 V 0 V Battery volt-
age 0 V
L 0 V 0 V 0 V 0 V Battery volt-
age B

CVT
N
O P
DTC P0710 CVT FLUID TEMPER
ATURE SENSOR CIRCUIT
Description INFOID:0000000004305634
• The CVT fluid temperature sensor is included in the control valve assembly.
• The CVT fluid temperature sensor detects the CV T fluid temperature and sends a signal to the TCM.
CONSULT-III Reference Val ue in Data Monitor Mode INFOID:0000000004305635
Remarks: Specification data are reference values.
On Board Diagnosis Logic INFOID:0000000004305636
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0710 ATF TEMP SEN/CIRC” with CONSULT-III is detected when TCM receives
an excessively low or high voltage from the sensor.
Possible Cause INFOID:0000000004305637
• Harness or connectors (Sensor circuit is open or shorted.)
• CVT fluid temperature sensor
DTC Confirmation Procedure INFOID:0000000004305638
CAUTION:
Always drive vehicle at a safe speed.
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 RESU LTS” 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 maintain the following conditions for at least 10 minutes (Total). VEHICLE SPEED: 10 km/h (6 MPH) or more
ENG SPEED: 450 rpm more than
ACC PEDAL OPEN: More than 1.0/8
RANGE: “D” position
4. If DTC is detected, go to CVT-251, " Diagnosis Procedure " .
WITH GST
Follow the procedure “WITH CONSULT-III”. Item name Condition Display value (Approx.)
ATF TEMP SEN When CVT fluid temperature is 20
°C (68 °F). 2.0 V
When CVT fluid temperature is 80 °C (176 °F). 1.0 V

DTC P0710 CVT FLUID TEMP
ERATURE SENSOR CIRCUIT
CVT-251
< SERVICE INFORMATION >
[RE0F08B] D
E
F
G H
I
J
K L
M A
B CVT
N
O P
Diagnosis Procedure
INFOID:00000000043056401.
CHECK CVT FLUID TEMP ERATURE SENSOR SIGNAL
With CONSULT-III
1. Start engine.
2. Select “ECU INPUT SIGNALS” in “DATA MONITO R” mode for “TRANSMISSION” with CONSULT-III.
3. Read out the value of “ATF TEMP SEN”.
Without CONSULT-III
1. Start engine.
2. Check voltage between TCM connector terminals.
3. Turn ignition switch OFF.
4. Disconnect TCM connector.
5. Check if there is continuity between connector terminal and
ground.
OK or NG OK >> GO TO 5.
NG >> GO TO 2. 2.
CHECK CVT FLUID TEMP ERATURE SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the TCM connector.
3. Check resistance between TCM connector terminals.
OK or NG OK >> GO TO 5.
NG >> GO TO 3. 3.
CHECK CVT FLUID TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Disconnect CVT unit harness connector. Item name Condition
Display value
(Approx.)
ATF TEMP SEN When CVT fluid temperature is 20
°C
(68 °F). 2.0 V
When CVT fluid temperature is 80 °C
(176 °F). 1.0 VName Connector Terminal
Temperature
°C ( °F) Voltage
(Approx.)
CVT fluid tem-
perature sen-
sor E32 47 - 42 20 (68) 2.0 V
80 (176) 1.0 V SCIA2027E
Name Connector Terminal
Temperature
°C ( °F) Resistance
(Approx.)
CVT fluid tem-
perature sensor E32 47 - 42 20 (68) 6.5 k
Ω
80 (176) 0.9 k Ω SCIA2510E

CVT-252< SERVICE INFORMATION >
[RE0F08B]
DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUIT
3. Check resistance between CVT unit harness connector termi- nals.
4. Reinstall any part removed.
OK or NG OK >> GO TO 4.
NG >> Replace the transaxle assembly. Refer to CVT-354, " Removal and Installation " .
4.
CHECK HARNESS BETWEEN TCM A ND CVT FLUID TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Disconnect the TCM connector and CVT unit harness connector.
3. Check continuity between TCM connector terminals and CVT
unit harness connector terminals.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG OK >> GO TO 5.
NG >> Repair or replace damaged parts. 5.
CHECK DTC
Perform CVT-249, " DTC Confirmation Procedure " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 6. 6.
CHECK TCM
1. Check TCM input/output signals. Refer to CVT-228, " TCM Terminal and Reference Value " .
2. If NG, re-check TCM pin terminals for damage or loose connection with harness connector.
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts.
Component Inspection INFOID:0000000004305641
CVT FLUID TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Disconnect CVT unit harness connector. Name Connector Terminal
Tempera-
ture °C ( °F) Resistance
(Approx.)
CVT fluid
temperature
sensor F46 17 - 19 20 (68) 6.5 k
Ω
80 (176) 0.9 k Ω SCIA4679E
Item Connector Terminal Continuity
TCM E32 42 Yes
CVT unit harness connector F46 19
TCM E32 47 Yes
CVT unit harness connector F46 17 SCIA4680E

CVT-260< SERVICE INFORMATION >
[RE0F08B]
DTC P0720 VEHICLE SPEED SENSOR
CVT (SECONDARY SPEED SENSOR)
Diagnosis Procedure INFOID:00000000043056551.
CHECK INPUT SIGNAL
With CONSULT-III
1. Start engine.
2. Select “ECU INPUT SIGNALS” in “DATA MONI TOR” mode for “TRANSMISSION” with CONSULT-III.
3. Start vehicle and read out the value of “VSP SENSOR”.
OK or NG OK >> GO TO 8.
NG >> GO TO 2. 2.
CHECK SECONDARY SPEED SENSOR
With CONSULT-III
1. Start engine.
2. Check power supply to output speed sensor (s econdary speed sensor) by voltage between TCM connec-
tor terminals 10, 19 and 42. Refer to CVT-219, " Circuit Diagram " .
3. If OK, check the pulse when vehicle cruises.
OK or NG OK >> GO TO 8.
NG >> GO TO 3. 3.
CHECK POWER AND SENSOR GROUND
1. Turn ignition switch OFF.
2. Disconnect the output speed sensor (s econdary speed sensor) harness connector.
3. Turn ignition switch ON. Item name Condition Display value
VSP SENSOR During driving Approximately matches
the speedometer reading. Item Connector Terminal Data (Approx.)
TCM E31, E32 10 - 42
Battery voltage
19 - 42
Name Condition
Output speed sen-
sor (Secondary
speed sensor) When running at 20 km/h (12 MPH) in “D” position, use the
CONSULT-III pulse frequency measuring function.
CAUTION:
Connect the data link connector to the vehicle-side diag-
nosis connector.
Item Connector Terminal Name Data (Ap-
prox.)
TCM E32 29 Output speed sensor (Sec-
ondary speed sensor) 570 Hz SCIA2344E

DTC P0720 VEHICLE SPEED SENSOR
CVT (SECONDARY SPEED SENSOR)
CVT-261
< SERVICE INFORMATION >
[RE0F08B] D
E
F
G H
I
J
K L
M A
B CVT
N
O P
4. Check voltage between output speed sensor (secondary speed
sensor) harness connector terminals.
5. Check voltage between output speed sensor (secondary speed sensor) harness connector terminal and ground.
6. If OK, check harness for short to ground and short to power.
7. Reinstall any part removed.
OK or NG OK >> GO TO 4.
NG - 1 >> Battery voltage is not supplied between terminals 1 and 3, terminals 1 and ground.: GO TO 6.
NG - 2 >> Battery voltage is not supplied between terminals 1 and 3 only.: GO TO 7. 4.
CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR)
1. Turn ignition switch OFF.
2. Disconnect TCM connector and output speed sensor (secondary speed sensor) harness connector.
3. Check continuity between TCM connector terminal and output speed sensor (secondary speed sensor) harness connector ter-
minal.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors. 5.
CHECK THE TCM SHORT
Replace same type TCM, perform self-diagnosis check. Erase self-diagnostic results and them drive the vehi-
cle [more than 40 km/h (25 MPH)], per form self-diagnosis check. Refer to CVT-258, " DTC Confirmation Proce-
dure " .
Is “ P0720 VEH SPD SEN/CIR AT ” detected again?
YES >> Replace the secondary speed sensor. Refer to
Dummy cross-reference("XX-XX").
NO >> Replace TCM. Refer to CVT-190, " Service After Replacing TCM and Transaxle Assembly " .
6. CHECK HARNESS BETWEEN TCM AND OUTPUT SP EED SENSOR (SECONDARY SPEED SENSOR)(POWER)
1. Turn ignition switch OFF.
2. Disconnect TCM connector and output speed sensor (secondary speed sensor) harness connector. Item Connector Terminal
Data (Ap-
prox.)
Output speed sensor (Sec-
ondary speed sensor) F48 3 - 1 Battery volt-
age SCIA2345E
Item Connector Terminal
Data (Ap-
prox.)
Output speed sensor (Sec-
ondary speed sensor) F48 3 - ground
Battery volt-
age SCIA2346E
Item Connector Terminal Continuity
TCM E32 29 Yes
Output speed sensor (Sec-
ondary speed sensor) F48 2 SCIA1967E

CVT-262< SERVICE INFORMATION >
[RE0F08B]
DTC P0720 VEHICLE SPEED SENSOR
CVT (SECONDARY SPEED SENSOR)
3. Check continuity between TCM connector terminals and output speed sensor (secondary speed sensor) harness connector ter-
minal. Refer to CVT-219, " Circuit Diagram " .
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG OK >> 10 A fuse (No. 49, located in the IPDM
E/R) or ignition switch are malfunctioning.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR)(SENSOR GROUND)
1. Turn ignition switch OFF.
2. Disconnect TCM connector and output speed sens or (secondary speed sensor) harness connector.
3. Check continuity between TCM connector terminal and output
speed sensor (secondary speed sensor) harness connector ter-
minal.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG OK >> GO TO 8.
NG >> Repair open circuit or short to ground or short to power in harness or connectors. 8.
CHECK DTC
Perform CVT-258, " DTC Confirmation Procedure " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 9. 9.
CHECK TCM
1. Check TCM input/output signals. Refer to CVT-228, " TCM Terminal and Reference Value " .
2. If NG, re-check TCM pin terminals for damage or loose connection with harness connector.
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts. Item Connector Terminal Continuity
TCM E31 10 Yes
Output speed sensor (Sec-
ondary speed sensor) F48 3
TCM E31 19 Yes
Output speed sensor (Sec-
ondary speed sensor) F48 3 SCIA2369E
Item Connector Terminal Continuity
TCM E32 42 Yes
Output speed sensor (Sec-
ondary speed sensor) F48 1 SCIA2347E

CVT
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DTC P0725 ENGINE SPEED SIGNAL
Description INFOID:0000000004305656
The engine speed signal is sent from the ECM to the TCM.
CONSULT-III Reference Val ue in Data Monitor Mode INFOID:0000000004305657
Remarks: Specification data are reference values.
On Board Diagnosis Logic INFOID:0000000004305658
• This is not an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0725 ENGINE SPEED SIG” with CONSULT-III is detected when TCM does not
receive the engine speed signal (input by CAN communication) from ECM.
Possible Cause INFOID:0000000004305659
Harness or connectors
(The ECM to the TCM circuit is open or shorted.)
DTC Confirmation Procedure INFOID:0000000004305660
CAUTION:
Always drive vehicle at a safe speed.
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 RESU LTS” and then perform the following procedure to con-
firm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MO NITOR” mode for “TRANSMISSION” with CONSULT-III.
2. Start engine and maintain the following conditions for at least 10 consecutive seconds. PRI SPEED SEN: More than 1000 rpm
3. If DTC is detected, go to CVT-263, " Diagnosis Procedure " .
Diagnosis Procedure INFOID:0000000004305661 CONSULT-III
Function (ENGINE) " .
OK or NG OK >> GO TO 2.
NG >> Check the DTC detected item. Refer to EC-1116, " CONSULT-III Function (ENGINE) " .
CON-
SULT-III Functi
on (TRANSMISSION) " .
OK or NG OK >> GO TO 3.
NG >> Check the DTC detected item. Refer to CVT-230, " CONSULT-III Function (TRANSMISSION) " .
Item name Condition Display value
ENG SPEED SIG Engine running Closely matches the tachometer reading.
ACC PEDAL OPEN Released accelerator pedal - Fully depressed accel-
erator pedal 0.0/8 - 8.0/8