Nissan Sentra B18 (2020-2025) Service Manual: P0711-00 Transmission Fluid Temperature Sensor a

Dtc Description

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connector

• CVT fluid temperature sensor

• TCM

FAIL-SAFE

• Engine coolant temperature when engine start: Temp. ≥ 10°C (50°F)

  • Start is slow

  • Acceleration is slow

  • Stop/start system prohibited

• Engine coolant temperature when engine start: −35°C (−31°F) ≤ Temp. < 10°C (50°F)

  • Selector shock is large

  • Start is slow

  • Acceleration is slow

  • Stop/start system prohibited

• Engine coolant temperature when engine start: Temp. <−35°C (−31°F)

  • Selector shock is large

  • Start is slow

  • Acceleration is slow

  • Stop/start system prohibited

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive Nissan Sentra vehicle at a safe speed.

1. PREPARATION BEFORE WORK

   If another "DTC CONFIRMATION PROCEDURE" occurs just before, 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 “P0711–00” detected?

   YES >>

   Check DTC detected item. Refer to DTC Index (ECM), DTC Index (TCM).

   NO >>

   GO TO 4.

4. CHECK DTC DETECTION - 1

   TESTING CONDITION:

   • While performing the following procedure, never add fuel.

   • Before performing the following procedure, check that fuel level is between 1/4 and 4/4.

   • Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

   With CONSULT

   1. Move the Nissan Sentra vehicle to a cool place.

      Note:

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

   2. Ignition switch OFF and leave the Nissan Sentra vehicle for 12 hours.

      CAUTION:

      Never the ignition switch is ON during this procedure.

      Note:

      The Nissan Sentra vehicle must be cooled with the food open.

   3. Ignition switch ON.

      CAUTION:

      Never start the engine.

   4. Select “Data Monitor” in “TRANSMISSION”.

   5. Select “FLUID TEMP”.

   6. Record CVT fluid temperature.

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

      CAUTION:

      Never the ignition switch is OFF during idling.

   8. Check 1st trip DTC.

   With GST

   1. Move the Nissan Sentra vehicle to a cool place.

      Note:

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

   2. Ignition switch OFF and leave the Nissan Sentra vehicle for 12 hours.

      CAUTION:

      Never the ignition switch is ON during this procedure.

      Note:

      The Nissan Sentra vehicle must be cooled with the food open.

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

      CAUTION:

      Never the ignition switch is OFF during idling.

   4. Check 1st trip DTC.

   Is “P0711–00” detected?

   YES >>

   Go to 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. CHECK DTC DETECTION - 2

   With CONSULT

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

      Shift position	: “D” position
      Accelerator pedal position	: 1.0/8 or more
      Nissan Sentra Vehicle speed	: 10 km/h (7 MPH) or more

      CVT fluid temperature before engine start	Driving time
      −40°C (−40°F) –−31°C (−23.8°F)	20 minutes or more
      −30°C (−22°F) –−21°C (−5.8°F)	18 minutes or more
      −20°C (−4°F) –−11°C (−12.2°F)	14 minutes or more
      −10°C (14°F) –−1°C (30.2°F)	10 minutes or more
      0°C (32°F) – 9°C (48.2°F)	7 minutes or more

   2. Stop the Nissan Sentra vehicle.

   3. Check the first trip DTC.

   With GST

   1. Drive the Nissan Sentra vehicle and maintain the following conditions for 20 minutes or more.

      Shift position	: “D” position
      Accelerator pedal position	: 1.0/8 or more
      Nissan Sentra Vehicle speed	: 10 km/h (7 MPH) or more

   2. Stop the Nissan Sentra vehicle.

   3. Check the first trip DTC.

   Is “P0711–00” detected?

   YES >>

   Go to Diagnosis Procedure.

   NO-1>>

   To check malfunction symptom before repair: Refer to Intermittent Incident.

   NO-2>>

   Confirmation after repair: INSPECTION END

7. CHECK DTC DETECTION - 3

   With CONSULT

   1. Ignition switch OFF and cool the engine.

   2. Ignition switch ON.

      CAUTION:

      Never start the engine.

   3. Select “Data Monitor” in “TRANSMISSION”.

   4. Select “FLUID TEMP”.

   5. Record CVT fluid temperature.

   6. Start the engine and wait for at least 2 minutes.

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

      Shift position	: “D” position
      Accelerator pedal position	: 1.0/8 or more
      Nissan Sentra Vehicle speed	: 10 km/h (7 MPH) or more

      CVT fluid temperature before engine start	Driving time
      −40°C (−40°F) –−31°C (−23.8°F)	20 minutes or more
      −30°C (−22°F) –−21°C (−5.8°F)	18 minutes or more
      −20°C (−4°F) –−11°C (−12.2°F)	14 minutes or more
      −10°C (14°F) –−1°C (30.2°F)	10 minutes or more
      0°C (32°F) – 9°C (48.2°F)	7 minutes or more
      Other than the above	— (Go to “8.CHECK CVT FLUID TEMPERATURE SENSOR”)

   8. Stop the Nissan Sentra vehicle.

   9. Check the first trip DTC.

   With GST

   1. Ignition switch OFF and cool the engine.

   2. Start the engine and wait for at least 2 minutes.

   3. Drive the Nissan Sentra vehicle and maintain the following conditions for 20 minutes or more.

      Shift position	: “D” position
      Accelerator pedal position	: 1.0/8 or more
      Nissan Sentra Vehicle speed	: 10 km/h (7 MPH) or more

   4. Stop the Nissan Sentra vehicle.

      CAUTION:

      Never the ignition switch is OFF.

   5. Check the first trip DTC.

   Is “P0711–00” detected?

   YES >>

   Go to Diagnosis Procedure.

   NO >>

   GO TO 8.

8. CHECK CVT FLUID TEMPERATURE SENSOR

   1. Ignition switch OFF.

   2. Disconnect CVT unit harness connector.

   3. Check resistance between CVT unit connector terminals.

      CVT unit	Condition	Resistance
      Terminal
      12 – 18	CVT fluid temperature: 20°C (68°F)	6.3 – 6.7 kΩ
      	CVT fluid temperature: 50°C (122°F)	2.1 – 2.3 kΩ
      	CVT fluid temperature: 80°C (176°F)	0.8 – 0.9 kΩ

   Is the inspection result normal?

   YES-1>>

   To check malfunction symptom before repair: Refer to Intermittent Incident.

   YES-2>>

   Confirmation after repair: INSPECTION END

   NO >>

   There is a malfunction of CVT fluid temperature sensor. Replace CVT fluid temperature sensor. Refer to Removal and Installation.

Diagnosis Procedure

1. CHECK CVT FLUID TEMPERATURE SENSOR CIRCUIT

   Check CVT fluid temperature sensor circuit. Refer to Diagnosis Procedure.

   Is the inspection result normal?

   YES>>

   Replace TCM. Refer to Removal and Installation.

   NO >>

   Repair or replace damaged parts.

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