TM-164
< DTC/CIRCUIT DIAGNOSIS >[CVT: RE0F11A]
P0720 OUTPUT SPEED SENSOR
P0720 OUTPUT SPEED SENSOR
DTC LogicINFOID:0000000012431097
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Be careful of the driving speed.
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
1. Start the engine.
2. Drive the vehicle.
3. Maintain the following conditions for 10 seconds or more.
4. Stop the vehicle.
5. Check the first trip DTC.
Is
“P0720” detected?
YES >> Go to TM-164, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000012431098
1.CHECK OUTPUT SPEED SENSOR POWER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect output speed sensor connector.
3. Turn ignition switch ON.
4. Check voltage between output speed sensor harness connector terminal and ground.
DTC Trouble diagnosis name DTC detection conditionPossible causes
P0720 Output Speed Sensor Circuit The output speed sensor value is less than
150 rpm continuously for 10 seconds or more
under the following diagnosis conditions:
• Diagnosis conditions
- Selector lever: “D”, “L” or “R” position
- Auxiliary gearbox shifting is not in progress.
- When the “D” position
switch, “L” position
switch or “R” position switch is ON, the out-
put speed has not experienced 250 rpm or
more.
- After shifting the selector lever, the input
speed has experienced less than 300 rpm.
- Secondary pulley speed: 1,500 rpm or more
- TCM power supply voltage: More than 11 V • Harness or connector
(Output speed sensor circuit is open or
shorted)
• Output speed sensor
The output speed sensor value is 90 rpm or
less continuously for 500 msec or more under
the following diagnosis conditions:
• Diagnosis conditions
- 10-msec-ago output speed: 730 rpm or more
- TCM power supply voltage: More than 11 V
Selector lever : “D” position
Vehicle speed : 55 km/h (34 MPH) or more
Revision: August 2015 2016 Versa Note
cardiagn.com
P0720 OUTPUT SPEED SENSORTM-165
< DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F11A]
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Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 6.
2.CHECK OUTPUT SPEED SENSOR GROUND CIRCUIT
Check continuity between output speed sensor harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace malfunctioning parts.
3.CHECK CIRCUIT BETWEEN OUTPUT SPEED SENSOR AND TCM (PART 1)
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
3. Check continuity between output speed sensor harness connector terminal and TCM harness connector
terminal.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace malfunctioning parts.
4.CHECK CIRCUIT BETWEEN OUTPUT SPEED SENSOR AND TCM (PART 2)
Check continuity between output speed sensor harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace malfunctioning parts.
5.CHECK TCM INPUT SIGNALS
1. Connect all of disconnected connectors.
2. Lift the vehicle.
3. Start the engine.
4. Check frequency of output speed sensor.
+
−Voltag e
Output speed sensor
Connector Terminal F41 3 Ground 10 – 16 V
Output speed sensor
— Continuity
Connector Terminal
F41 1 Ground Existed
Output speed sensor TCM
Continuity
Connector Terminal Connector Terminal
F41 2F44 24 Existed
Output speed sensor
—Continuity
Connector Terminal
F41 2 Ground Not existed
Revision: August 2015 2016 Versa Note
cardiagn.com
TM-166
< DTC/CIRCUIT DIAGNOSIS >[CVT: RE0F11A]
P0720 OUTPUT SPEED SENSOR
Is the inspection result normal?
YES >> Check intermittent incident. Refer to
GI-42, "Intermittent Incident".
NO >> Replace output speed sensor. Refer to TM-248, "
Removal and Installation".
6.CHECK CIRCUIT BETWEEN IPDM E/R AND OUTPUT SPEED SENSOR
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness c onnector terminal and output speed sensor harness con-
nector terminal.
Is the check result normal?
YES >> GO TO 7.
NO >> Repair or replace malfunctioning parts.
7.DETECT MALFUNCTIONING ITEMS
Check the following items:
• Open circuit or short circuit in harness between ignition switch and IPDM E/R. Refer to PG-27, "
Wiring Dia-
gram — Ignition Power Supply —".
• Short circuit in harness between IPDM E/R harness connector terminal 21 and output speed sensor harness
connector terminal 3.
• 10A fuse (No.49, IPDM E/R). Refer to PG-60, "
IPDM E/R Terminal Arrangement".
• IPDM E/R
Is the check result normal?
YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
+
− Condition Frequency
(Approx.)
TCM
Connector Terminal
F44 24 Ground • Selector lever: “L” position
• Vehicle speed: 20 km/h (12 MPH) 200 Hz
JSDIA1904GB
IPDM E/R
Output speed sensor
Continuity
Connector Terminal Connector Terminal
E45 21F41 3 Existed
Revision: August 2015 2016 Versa Note
cardiagn.com
P0740 TORQUE CONVERTERTM-167
< DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F11A]
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P0740 TORQUE CONVERTER
DTC LogicINFOID:0000000012431099
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Be careful of the driving speed.
1.PREPARATION BEFORE OPERATION (PART 1)
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.PREPARATION BEFORE OPERATION (PART 2)
With CONSULT
1. Start the engine.
2. Select “Data Monitor” in “TRANSMISSION”.
3. Select “FLUID TEMP”.
4. Confirm that the CVT fluid temper ature is in the following range.
With GST
1. Start the engine.
2. Set the CVT fluid to 10 °C (50° F) or more.
NOTE:
When the ambient temperature is 20 °C (68° F), the CVT fluid usually increases to 50 to 80 °C (122 to
176° F) with driving in an urban area for approximately 10 minutes.
Is the CVT fluid 10
°C (50°F) or more?
YES >> GO TO 3.
NO >> 1. Warm the transaxle. 2. GO TO 3.
3.CHECK DTC DETECTION
1. Drive the vehicle.
2. Maintain the following conditions for 10 seconds or more.
3. Stop the vehicle.
4. Check the first trip DTC.
Is
“P0740” detected?
YES >> Go to TM-168, "Diagnosis Procedure".
NO >> INSPECTION END
DTC Trouble diagnosis name DTC detection conditionPossible causes
P0740 Torque Converter Clutch Cir-
cuit/Open The TCM torque converter clutch solenoid
valve current monitor reading is 200 mA or
less continuously for 5 seconds or more under
the following diagnosis conditions:
• Diagnosis conditions
- Solenoid valve output current: 750 mA or
more
- GND short diagnosis of the solenoid valve
circuit is not satisfied.
- TCM power supply voltage: More than 11 V • Harness or connector
(Torque converter clutch solenoid
valve circuit is open or shorted to pow-
er supply)
• Torque converter clutch solenoid valve
FLUID TEMP : 10 °C (50 °F) or more
Selector lever : “D” position
Vehicle speed : 40 km/h (25 MPH) or more
Revision: August 2015 2016 Versa Note
cardiagn.com
TM-168
< DTC/CIRCUIT DIAGNOSIS >[CVT: RE0F11A]
P0740 TORQUE CONVERTER
Diagnosis Procedure
INFOID:0000000012431100
1.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector and CVT unit connector.
3. Check continuity between TCM harness connector terminal and CVT unit harness connector terminal.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace malfunctioning parts.
2.CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE
Check torque converter clutch solenoid valve. Refer to TM-168, "
Component Inspection (Torque Converter
Clutch Solenoid Valve)".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
Component Inspection (Torque C onverter Clutch Solenoid Valve)INFOID:0000000012431101
1.CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE
Check resistance between CVT unit connector terminal and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> There is a malfunction of torque converter clutch solenoid valve. Replace control valve assembly.
Refer to TM-242, "
Removal and Installation".
TCM CVT unit
Continuity
Connector Terminal Connector Terminal
F443 8F 46 8E xis te d
CVT unit
— Condition Resistance
(Approx.)
Te r m i n a l
8Ground CVT fluid temperature: 20
°C (68 °F) 6.1 Ω
CVT fluid temperature: 50 °C (122 °F) 6.9 Ω
CVT fluid temperature: 80 °C (176 °F) 7.7 Ω
Revision: August 2015 2016 Versa Note
cardiagn.com
P0743 TORQUE CONVERTERTM-169
< DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F11A]
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P0743 TORQUE CONVERTER
DTC LogicINFOID:0000000012431102
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Be careful of the driving speed.
1.PREPARATION BEFORE OPERATION (PART 1)
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.PREPARATION BEFORE OPERATION (PART 2)
With CONSULT
1. Start the engine.
2. Select “Data Monitor” in “TRANSMISSION”.
3. Select “FLUID TEMP”.
4. Confirm that the CVT fluid temper ature is in the following range.
With GST
1. Start the engine.
2. Set the CVT fluid to 10 °C (58° F) or more.
NOTE:
When the ambient temperature is 20 °C (68° F), the CVT fluid usually increases to 50 to 80 °C (122 to
176° F) with driving in an urban area for approximately 10 minutes.
Is the CVT fluid 10
°C (58°F) or more?
YES >> GO TO 3.
NO >> 1. Warm the transaxle. 2. GO TO 3.
3.CHECK DTC DETECTION
1. Drive the vehicle.
2. Maintain the following conditions for 5 seconds or more.
3. Stop the vehicle.
4. Check the first trip DTC.
Is
“P0743” detected?
YES >> Go to TM-170, "Diagnosis Procedure".
NO >> INSPECTION END
DTC Trouble diagnosis name DTC detection conditionPossible causes
P0743 Torque Converter Clutch Cir-
cuit Electrical The TCM torque converter clutch solenoid
valve current monitor reading is 200 mA or
less continuously for 480 msec or more under
the following diagnosis conditions:
• Diagnosis conditions
- Solenoid valve output current: 750 mA or
more
- GND short circuit diagnosis occurs in the
solenoid valve drive circuit.
- TCM power supply voltage: More than 11 V • Harness or connector
(Torque converter clutch solenoid
valve circuit is shorted to ground)
• Torque converter clutch solenoid valve
FLUID TEMP : 10 °C (50 °F) or more
Selector lever : “D” position
Vehicle speed : 40 km/h (25 MPH) or more
Revision: August 2015 2016 Versa Note
cardiagn.com
TM-170
< DTC/CIRCUIT DIAGNOSIS >[CVT: RE0F11A]
P0743 TORQUE CONVERTER
Diagnosis Procedure
INFOID:0000000012431103
1.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector and CVT unit connector.
3. Check continuity between TCM harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace malfunctioning parts.
2.CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE
Check torque converter clutch solenoid valve. Refer to TM-170, "
Component Inspection (Torque Converter
Clutch Solenoid Valve)".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
Component Inspection (Torque C onverter Clutch Solenoid Valve)INFOID:0000000012431104
1.CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE
Check resistance between CVT unit connector terminal and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> There is a malfunction of torque converter clutch solenoid valve. Replace control valve assembly.
Refer to TM-242, "
Removal and Installation".
TCM
— Continuity
Connector Terminal
F44 38 Ground Not existed
CVT unit — Condition Resistance
(Approx.)
Te r m i n a l
8Ground CVT fluid temperature: 20
°C (68 °F) 6.1 Ω
CVT fluid temperature: 50 °C (122 °F) 6.9 Ω
CVT fluid temperature: 80 °C (176 °F) 7.7 Ω
Revision: August 2015 2016 Versa Note
cardiagn.com
P0744 TORQUE CONVERTERTM-171
< DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F11A]
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P0744 TORQUE CONVERTER
DTC LogicINFOID:0000000012431105
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Be careful of the driving speed.
1.PREPARATION BEFORE OPERATION 1
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.PREPARATION BEFORE OPERATION 2
With CONSULT
1. Start the engine.
2. Select “Data Monitor” in “TRANSMISSION”.
3. Select “FLUID TEMP”.
4. Confirm that the CVT fluid temperature is in the range below.
With GST
1. Start the engine.
2. Set the CVT fluid to 20 °C (68° F) or more.
NOTE:
When the ambient temperature is 20 °C (68° F), the CVT fluid usually increases to 50 to 80 °C (122 to
176° F) with driving in an urban area for approximately 10 minutes.
Is the CVT fluid 20
°C (68°F) or more?
YES >> GO TO 3.
NO >> 1. Warm the transaxle. 2. GO TO 3.
3.CHECK DTC DETECTION
1. Drive the vehicle.
2. Maintain the following conditions for 40 seconds or more.
DTC Trouble diagnosis name DTC detection conditionPossible causes
P0744 Torque converter clutch circuit
intermittent The torque converter slip speed is at or above
a set value (40 rpm + (Vehicle speed / 2) con-
tinuously for 30 seconds or more under the fol-
lowing diagnosis conditions:
• Diagnosis conditions
- Selector lever:
“D” position
- Accelerator pedal position: 1.0/8 or more
- Vehicle speed: 10 km/h (6 MPH) or more
- Engine speed: 450 rpm or more
- CVT fluid temperature: 20 °C (68 °F) ≤ CVT
fluid temperature ≤ 180 °C (356 °F)
- Lockup command is being given (except for slip lockup).
- LU PRS: More than 0.2 MPa
- TCM power supply voltage: More than 11 V • Torque converter clutch solenoid valve
• Control valve assembly
• Torque converter
FLUID TEMP : 20
°C (68 °F) or more
Selector lever : “D” position
Accelerator pedal position : 1.0/8 or more
Vehicle speed : 40 km/h (25 MPH) or more
Revision: August 2015 2016 Versa Note
cardiagn.com