Nissan Sentra manuals

Nissan Sentra Service Manual: P0711 Transmission fluid temperature sensor A

DTC Logic

DTC DETECTION LOGIC

DTC

CONSULT screen terms (Trouble diagnosis content)

DTC detection condition

Possible causes

P0711 FLUID TEMP SENSOR A (Transmission Fluid Temperature Sensor A Circuit Range/ Performance) When any of 1 or 2 is satisfied:
  1. Under the following diagnosis conditions, CVT fluid temperature does not rise to 10В°C (50В°F) after driving for a certain period of time with the TCM-received fluid temperature sensor value between − 40В°C (−40В°F) and 9В°C (48.2В°F).
  • Diagnosis condition
  • Selector lever: “D” position
  • Vehicle speed: 10 km/h (7 MPH) or more
  • Engine speed: 450 rpm or more
  • Accelerator pedal position: 1.0/8 or more
  • TCM power supply voltage: More than 11 V
  • CVT fluid temperature: Less than 10В°C
  1. When the condition of the final judgment is satisfied after satisfying that of the provisional judgment:
  • Provisional judgment: All of the following conditions are satisfied within 2 seconds after the ignition switch is turned ON.
  • U0073, U0100, P0712 and P0713 are not detected.
  • CAN communication is normal.
  • TCM power supply voltage: More than 11 V
  • The difference between CVT fluid temperature and engine coolant temperature is 37В°C (98.6В°F) or more, or −27В°C (− 16В°F) or less.
  • Final judgment: When all of the following conditions are satisfied and this state is maintained for 300 seconds:
  • ECM is normal.
  • Provisional judgment is satisfied.
CVT fluid temperature sensor

DTC CONFIRMATION PROCEDURE

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.INSPECTION START

Is it necessary to erase permanent DTC? YES >> GO TO 3.

NO >> GO TO 7.

3.CHECK DTC (ECM AND TCM)

Check the DTC.

Is any DTC other than “P0711” detected? YES >> Check DTC detected item. Refer to EC-94, "DTC Index" (ECM), TM-126, "DTC Index" (TCM).

NO >> GO TO 4.

4.PERFORM DTC Confirmation procedure (part 1)

TESTING CONDITION:

With CONSULT


  1. Move the vehicle to a cool place.

NOTE:

Cool the vehicle in an environment of ambient air temperature between −10В°C (14В°F) and 35В°C (95В°F).

  1. Turn ignition switch OFF and leave the vehicle for 12 hours.

CAUTION:

Never turn ignition switch ON during this procedure.

NOTE:

The vehicle must be cooled with the food open.

  1. Turn ignition switch ON.

CAUTION:

Never start the engine.

  1. Select “Data Monitor” in “TRANSMISSION”.
  2. Select “FLUID TEMP”.
  3. Record CVT fluid temperature
  4. Start engine and let it idle for 5 minutes or more.

CAUTION:

Never turn ignition switch OFF during idling.

  1. Check 1st trip DTC.

With GST


  1. Move the vehicle to a cool place.

NOTE:

Cool the vehicle in an environment of ambient air temperature between −10В°C (14В°F) and 35В°C (95В°F).

  1. Turn ignition switch OFF and leave the vehicle for 12 hours.

CAUTION:

Never turn ignition switch ON during this procedure.

NOTE:

The vehicle must be cooled with the food open.

  1. Start engine and let it idle for 5 minutes or more.

CAUTION:

Never turn ignition switch OFF during idling.

  1. Check 1st trip DTC.

Is “P0711” detected? YES >> Go to TM-173, "Diagnosis Procedure".

NO-1 (With CONSULT)>>GO TO 5.

NO-2 (With GST)>>GO TO 6.

5.CHECK CVT FLUID TEMPERATURE

With CONSULT


  1. Select “Data Monitor” in “TRANSMISSION”.
  2. Select “FLUID TEMP”.

Is the value of “FLUID TEMP” 10°C (50°F) or more? YES >> INSPECTION END

NO >> GO TO 6.

6.PERFORM DTC CONFIRMATION PROCEDURE (PART 2)

With CONSULT


  1. Drive the vehicle for the total minutes specified in the Driving time column below with the following conditions satisfied.

Selector lever : “D” position

Accelerator pedal position : 1.0/8 or more

Vehicle speed : 10 km/h (7 MPH) or more


  1. Stop the vehicle.
  2. Check the first trip DTC.

With GST


  1. Drive the vehicle and maintain the following conditions for 18 minutes or more.

Selector lever : “D” position

Accelerator pedal position : 1.0/8 or more

Vehicle speed : 10 km/h (7 MPH) or more

  1. Stop the vehicle.
  2. Check the first trip DTC.

Is “P0711” detected? YES >> Go to TM-173, "Diagnosis Procedure".

NO >> INSPECTION END

7.PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT


  1. Turn ignition switch OFF and cool the engine.
  2. Turn ignition switch ON.

CAUTION:

Never start the engine.

  1. Select “Data Monitor” in “TRANSMISSION”.
  2. Select “FLUID TEMP”.
  3. Record CVT fluid temperature.
  4. Start the engine and wait for at least 2 minutes.
  5. Drive the vehicle for the total minutes specified in the Driving time column below with the following conditions satisfied.

Selector lever : “D” position

Accelerator pedal position : 1.0/8 or more

Vehicle speed : 10 km/h (7 MPH) or more


  1. Stop the vehicle.
  2. Check the first trip DTC.

With GST


  1. Turn ignition switch OFF and cool the engine.
  2. Start the engine and wait for at least 2 minutes.
  3. Drive the vehicle and maintain the following conditions for 18 minutes or more.

Selector lever : “D” position

Accelerator pedal position : 1.0/8 or more

Vehicle speed : 10 km/h (7 MPH) or more

  1. Stop the vehicle
  2. Check the first trip DTC.

Is “P0711” detected? YES >> Go to TM-173, "Diagnosis Procedure".

NO >> GO TO 8.

8.CHECK CVT FLUID TEMPERATURE SENSOR

  1. Turn ignition switch OFF.
  2. Disconnect CVT unit connector.
  3. Check resistance between CVT unit connector terminals.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> There is a malfunction of CVT fluid temperature sensor. Replace transaxle assembly. Refer to TM-283, "Removal and Installation".

Diagnosis Procedure

1.CHECK CVT FLUID TEMPERATURE SENSOR

  1. Turn ignition switch OFF
  2. Disconnect the CVT unit connector.
  3. Check the CVT fluid temperature sensor. Refer to TM-173, "Component Inspection".

Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".

NO >> Repair or replace malfunctioning parts.

Component Inspection

1.CHECK CVT FLUID TEMPERATURE SENSOR

Check resistance between CVT unit connector terminals.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> There is a malfunction of CVT fluid temperature sensor. Replace transaxle assembly. Refer to TM-283, "Removal and Installation".

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