2009 NISSAN LATIO Service Repair Manual

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Page 105 of 4331

NISSAN LATIO 2009 Service Repair Manual AT-100< SERVICE INFORMATION >
DTC P0710 A/T FLUID TEMP
ERATURE SENSOR CIRCUIT
OK >> INSPECTION END
NG >> GO TO 8. 8.
CHECK TCM
1. Check TCM input/output signal. Refer to AT-77, " TCM Terminal and Re

Page 106 of 4331

NISSAN LATIO 2009 Service Repair Manual AT
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DTC P0720 VEHICLE SPEED SENS
OR A/T (REVOLUTION SENSOR)
Description INFOID:0000000004305354
The revolution sensor detects the revolution of the id ler gear parking pawl lock gear and emits a

AT
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DTC P0720 VEHICLE SPEED SENS
OR A/T (REVOLUTION SENSOR)
Description INFOID:0000000004305354
The revolution sensor detects the revolution of the id ler gear parking pawl lock gear and emits a pulse signal.
The pulse signal is sent to the TCM which converts it into vehicle speed.
CONSULT-III Reference Val ue in Data Monitor Mode INFOID:0000000004305355
Remarks: Specification data are reference values.
On Board Diagnosis Logic INFOID:0000000004305356
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0720 VHCL SPEED SEN-AT” with CONSULT-III or 1st judgement flicker without
CONSULT-III is detected when TCM does not rece ive the proper voltage signal from the sensor.
Possible Cause INFOID:0000000004305357
• Harness or connector (The sensor circuit is open or shorted.)
• Revolution sensor
DTC Confirmation Procedure INFOID:0000000004305358
CAUTION:
• Always drive vehicle at a safe speed.
• Be careful not to rev engine into the red zone on the tachometer.
• If performing this “DTC Confirmation Procedure” again, always turn ignition switch OFF and wait at
least 10 seconds before continuing.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MO NITOR” mode for “TRANSMISSION” with CONSULT-III.
2. Touch “START”.
3. Drive vehicle and check for an in crease of “VHCL/S SE-MTR” value.
If the check result is NG, go to AT-103, " Diagnosis Procedure " .
If the check result is OK, go to following step.
4. Select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
5. Touch “START”.
6. Start engine and maintain the following conditions for at least 5 consecutive seconds. VEHICLE SPEED: 30 km/h (19 MPH) or more
THROTTLE POSI: More than 1.0/8
SLCT LVR POSI: “D” position
Driving location: Driving the vehic le uphill (increased engine load) will help maintain the driving
conditions required for this test.
If the check result is NG, go to AT-103, " Diagnosis Procedure " .
If the check result is OK, go to following step.
7. Maintain the following conditions for at least 5 consecutive seconds. ENGINE SPEED: 3,500 rpm or more
THROTTLE POSI: More than 1.0/8
SLCT LVR POSI: “D” position
Driving location: Driving the vehic le uphill (increased engine load) will help maintain the driving
conditions required for this test.
WITH GST
Follow the procedure “WITH CONSULT-III”.
WITHOUT CONSULT-III
1. Start engine. Item name Condition Display value
VHCL/S SE-A/T During driving Approxima tely matches the speedometer reading.

Page 107 of 4331

NISSAN LATIO 2009 Service Repair Manual Diagnosis Procedure without CONSULT-III " .
4. If the check result is NG, go to AT-103, " Diagnosis Procedure " .
Wiring Diagram - AT - VSSA/T INFOID:0000000004305359

Page 108 of 4331

NISSAN LATIO 2009 Service Repair Manual AT
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TCM TERMINALS AND REFERENCE VALUES
Refer to AT-77, " TCM Terminal and Reference Value " .
Diagnosis Procedure INFOID:0000000004305360OK >> GO TO 8.
NG >> GO TO 2. " Wiring Diagram - AT - MAI

Page 109 of 4331

NISSAN LATIO 2009 Service Repair Manual 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 supp lied between terminals 1 and 3 only: GO TO

Page 110 of 4331

NISSAN LATIO 2009 Service Repair Manual AT
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3. Check continuity between TCM connector terminals and revolu-
tion sensor harness connector terminal. Refer to AT-50, " Circuit
Diagram " and
AT-169, " Wiring Diagram - AT - MAIN " .
4

Page 111 of 4331

NISSAN LATIO 2009 Service Repair Manual Diagnosis Procedure " .
WITH GST
Follow the procedure “WITH CONSULT-III”.
WITHOUT CONSULT-III
1. Start engine.
2. Drive vehicle under the following conditions for more than 10 seconds.
Selector

Page 112 of 4331

NISSAN LATIO 2009 Service Repair Manual AT
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Wiring Diagram - AT - ENGSS
INFOID:0000000004305366
TCM TERMINALS AND REFERENCE VALUES Refer to AT-77, " TCM Terminal and Reference Value " .

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