NISSAN LATIO 2007 Service Repair Manual

CVT-84
DTC P0705 PARK/NEUTRAL POSITION SWITCH
Revision: June 20062007 Versa
4. DETECT MALFUNCTIONING ITEM
Check PNP switch. Refer to CVT-84, "
Component Inspection" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5. CHECK DTC
Perform CVT-78, "
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-54, "
TCM Input/Output Signal Reference Values" .
2. If NG, re-check TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >>INSPECTION END
NG >> 1. Repair or replace damaged parts.
2. Replace the transaxle assembly. Refer to CVT-207, "
Removal and Installation" .
Component InspectionUCS005ZA
PNP SWITCH
1. Change selector lever to various positions to check the continu-
ity between terminals on the PNP switch and ground.
2. If NG, check continuity with control cable disconnected. (Refer to step 1 above.)
3. If OK, with the control cable disconnected, adjust the control cable. Refer to CVT-195, "
Adjustment of CVT
Position" .
4. If NG, even when the control cable is disconnected, replace the transaxle assembly. Refer to CVT-207,
"Removal and Installation" .
PNP SW Shift position Connector Terminal Continuity
SW 1“R”, “N”, “D”
F464 - Ground Ye s
other positions No
SW 2“N”, “D”, “L”
5 - Ground Ye s
other positions No
SW 3“D”, “L”
14 - Ground Ye s
other positions No
SW 4“R”, “D”
15 - Ground Ye s
other positions No
SW 3 Moni-
tor“D”, “L”
18 - Ground Ye s
other positions No
SCIA4678E

DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUIT
CVT-85
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CVT
Revision: June 20062007 Versa
DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUITPFP:31020
DescriptionUCS005ZB

The CVT fluid temperature sensor is included in the control valve assembly.

The CVT fluid temperature sensor detects the CVT fluid temperature and sends a signal to the TCM.
CONSULT-II Reference ValueUCS005ZC
Remarks: Specification data are reference values.
On Board Diagnosis LogicUCS005ZD

This is an OBD-II self-diagnostic item.

Diagnostic trouble code “P0710 ATF TEMP SEN/CIRC” with CONSULT-II is detected when TCM receives
an excessively low or high voltage from the sensor.
Possible CauseUCS005ZE

Harness or connectors
(Sensor circuit is open or shorted.)

CVT fluid temperature sensor
DTC Confirmation ProcedureUCS005ZF
CAUTION:
Always drive vehicle at a safe speed.
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 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-87, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
Item name Condition Display value (Approx.)
AT F T E M P S E N When CVT fluid temperature is 20°C (68°F). 2.0 V
When CVT fluid temperature is 80°C (176°F). 1.0 V
BCIA0031E

CVT-86
DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUIT
Revision: June 20062007 Versa
Wiring Diagram — CVT — FTSUCS005ZG
BCWA0671E

DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUIT
CVT-87
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CVT
Revision: June 20062007 Versa
TCM terminal data are reference values, measured between each terminal and ground.
Diagnostic ProcedureUCS005ZH
1. CHECK CVT FLUID TEMPERATURE SENSOR SIGNAL
With CONSULT-II
1. Start engine.
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“TRANSMISSION” with CONSULT-II.
3. Read out the value of “ATF TEMP SEN”.
Without CONSULT-II
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 TEMPERATURE 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.
Terminal Wire color Item Condition Data (Approx.)
42 LG Sensor ground Always 0 V
47 GCVT fluid tempera-
ture sensorWhen CVT fluid temperature is 20°C (68°F). 2.0 V
When CVT fluid temperature is 80°C (176°F). 1.0 V
Item name ConditionDisplay value
(Approx.)
AT F T E M P S E NWhen CVT fluid temperature is 20°C
(68°F).2.0 V
When CVT fluid temperature is 80°C
(176°F).1.0 V
SCIA2277E
Name Connector TerminalTemperature
°C (°F)Voltage
(Approx.)
CVT fluid tem-
perature sen-
sorE32 47 - 4220 (68) 2.0 V
80 (176) 1.0 V
SCIA2027E
Name Connector TerminalTemperature
°C (°F)Resistance
(Approx.)
CVT fluid tem-
perature sensorE32 47 - 4220 (68) 6.5 kΩ
80 (176) 0.9 kΩ
SCIA2510E

CVT-88
DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUIT
Revision: June 20062007 Versa
3. CHECK CVT FLUID TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Disconnect CVT unit harness connector.
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-207,
"Removal and Installation" .
4. CHECK HARNESS BETWEEN TCM AND 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-85, "
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-54, "
TCM Input/Output Signal Reference Values" .
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.
Name Connector TerminalTe m p e r a -
ture °C (°F)Resistance
(Approx.)
CVT fluid
tempera-
ture sensorF46 17 - 1920 (68) 6.5 kΩ
80 (176) 0.9 kΩ
SCIA4679E
Item Connector Terminal Continuity
TCM E32 42
Ye s
CVT unit harness connector F46 19
TCM E32 47
Ye s
CVT unit harness connector F46 17
SCIA4680E

DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUIT
CVT-89
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CVT
Revision: June 20062007 Versa
Component InspectionUCS005ZI
CVT FLUID TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Disconnect CVT unit harness connector.
3. Check resistance between CVT unit harness connector termi-
nals.
4. If NG, replace the transaxle assembly. Refer to CVT-207,
"Removal and Installation" .
Name Connector Terminal Te m p e r a -
ture °C (°F) Resistance
(Approx.)
CVT fluid
tempera-
ture sensor F46 17 - 19 20 (68) 6.5 kΩ
80 (176) 0.9 kΩ
SCIA4679E

CVT-90
DTC P0715 INPUT SPEED SENSOR CIRCUIT (PRI SPEED SENSOR)
Revision: June 20062007 Versa
DTC P0715 INPUT SPEED SENSOR CIRCUIT (PRI SPEED SENSOR)PFP:31935
DescriptionUCS005ZJ

The input speed sensor (primary speed sensor) is included in the control valve assembly.

The input speed sensor (primary speed sensor) detects the primary pulley revolution speed and sends a
signal to the TCM.
CONSULT-II Reference ValueUCS005ZK
Remarks: Specification data are reference values.
On Board Diagnosis LogicUCS005ZL

This is an OBD-II self-diagnostic item.

Diagnostic trouble code “P0715 INPUT SPD SEN/CIRC” with CONSULT-II is detected when TCM does
not receive the proper signal from the sensor.
Possible CauseUCS005ZM

Harness or connectors
(Sensor circuit is open or shorted.)

Input speed sensor (Primary speed sensor)
DTC Confirmation ProcedureUCS005ZN
CAUTION:
Always drive vehicle at a safe speed.
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 and select “DATA MONITOR” mode for
“TRANSMISSION” with CONSULT-II.
2. Start engine and maintain the following conditions for at least 5
consecutive seconds.
VEHICLE SPEED: 10 km/h (6 MPH) or more
ACC PEDAL OPEN: More than 1.0/8
RANGE: “D” position
ENG SPEED: 450 rpm or more
Driving location: Driving the vehicle uphill (increased
engine load) will help maintain the driving conditions
required for this test.
3. If DTC is detected, go to CVT-92, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
Item name Condition Display value
ENG SPEED SIG Engine running Closely matches the tachometer reading.
PRI SPEED SEN During driving (lock-up ON) Approximately matches the engine speed.
BCIA0031E

DTC P0715 INPUT SPEED SENSOR CIRCUIT (PRI SPEED SENSOR)
CVT-91
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CVT
Revision: June 20062007 Versa
Wiring Diagram — CVT — PRSCVTUCS005ZO
BCWA0672E

CVT-92
DTC P0715 INPUT SPEED SENSOR CIRCUIT (PRI SPEED SENSOR)
Revision: June 20062007 Versa
TCM terminal data are reference values, measured between each terminal and ground.
Diagnostic ProcedureUCS005ZP
1. CHECK INPUT SIGNALS
With CONSULT-II
1. Start engine.
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“TRANSMISSION” with CONSULT-II.
3. Start vehicle and read out the value of “PRI SPEED SEN”.
OK or NG
OK >> GO TO 6.
NG >> GO TO 2.
2. CHECK INPUT SPEED SENSOR (PRIMARY SPEED SENSOR)
1. Start engine.
2. Check voltage between TCM connector terminals.
3. Check the pulse with CONSULT-II or oscilloscope, when vehicle
cruises.
OK or NG
OK >> GO TO 6.
NG - 1 >> Battery voltage is not supplied: GO TO 3.
NG - 2 >> Battery voltage is supplied, but there is a malfunction in
the frequency: GO TO 4.
Terminal Wire color Item Condition Data (Approx.)
38 VInput speed sensor
(Primary speed sen-
sor)When driving [“L” position, 20 km/h (12 MPH)]. 1000 Hz
42 LG Sensor ground Always 0 V
46 O Sensor power— 5.0 V
— 0 V
Item name Condition Display value
PRI SPEED SENDuring driving (lock-up
ON)Approximately matches
the engine speed.
SCIA2278E
Item Connector Terminal Data (Approx.)
TCM E32 46 - 42 5.0 V
Name Condition
Input speed sensor
(Primary speed
sensor)When running at 20 km/h (12 MPH) in “L” position with the
closed throttle position signal OFF, use the CONSULT-II
pulse frequency measuring function.
CAUTION:
Connect the data link connector to the vehicle-side diag-
nosis connector.
Item Connector Terminal NameData
(Approx.)
TCM E32 38Input speed sensor (Primary
speed sensor)1000 Hz
SCIA1915E

DTC P0715 INPUT SPEED SENSOR CIRCUIT (PRI SPEED SENSOR)
CVT-93
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CVT
Revision: June 20062007 Versa
3. CHECK HARNESS BETWEEN TCM AND CVT UNIT HARNESS CONNECTOR (SENSOR POWER
AND SENSOR GROUND)
1. Turn ignition switch OFF.
2. Disconnect 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 6.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK HARNESS BETWEEN TCM AND CVT UNIT HARNESS CONNECTOR [INPUT SPEED SEN-
SOR (PRIMARY SPEED SENSOR)]
1. Turn ignition switch OFF.
2. Disconnect TCM connector and CVT unit harness connector.
3. Check continuity between TCM connector terminal and CVT unit
harness connector terminal.
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 then drive the vehi-
cle [10 km/h (6 MPH) or more], perform self-diagnosis check. Refer to CVT-90, "
DTC Confirmation Procedure"
.
Is the
“P0715 INPUT SPD SEN/CIRC” detected again?
YES >> Replace the transaxle assembly. Refer to CVT-207, "Removal and Installation" .
NO >> Replace TCM. Refer to CVT-9, "
Service After Replacing TCM and Transaxle Assembly" .
6. CHECK DTC
Perform CVT-90, "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 7.
Item Connector Terminal Continuity
TCM E32 42
Ye s
CVT unit harness connector F46 19
TCM E32 46
Ye s
CVT unit harness connector F46 20
SCIA4681E
Item Connector Terminal Continuity
TCM E32 38
Ye s
CVT unit harness connector F46 22
SCIA4682E