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Home >> Honda >> 2011 >> Pilot EX, 3.5 3 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> DTC Troubleshooting >> DTC P0711: Problem in ATF Temperature Sensor Circuit

DTC P0711: Problem in ATF Temperature Sensor Circuit

NOTE:
  • Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review GENERAL TROUBLESHOOTING INFORMATION  .
  • This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
  1. Check the ATF temperature with the HDS in the A/T data list.

    Is the ATF temperature less than -4°F (-20°C)? 

    YES  - Go to step  2.

    NO  - Go to step  4

  2. Warm up the engine to normal operating temperature (the radiator fan comes on).
  3. Check the ATF temperature with the HDS.

    Is the ATF temperature still less than -4°F (-20°C)? 

    YES  - Replace the ATF temperature sensor (see ATF TEMPERATURE SENSOR REPLACEMENT  ), then go to step  14

    NO  - Check for poor connections and loose terminals at the ATF temperature sensor and the PCM. If the connection is OK, go to step  7

  4. Check the ATF temperature with the HDS.

    Is the ATF temperature 230°F (110°C) or more? 

    YES  - Go to step  5.

    NO  - Check for poor connections and loose terminals at the ATF temperature sensor and the PCM. If the connection is OK, go to step  7

  5. Warm up the engine to normal operating temperature (the radiator fan comes on), then turn the engine off, and leave it off until the engine coolant cools to the outside air temperature (the ECT SENSOR reads the same as the outside air temperature).
  6. Check the ATF temperature with the HDS.

    Is the ATF temperature still 230°F (110°C) or more? 

    YES  - Replace the ATF temperature sensor (see ATF TEMPERATURE SENSOR REPLACEMENT  ), then go to step  14

    NO  - Check for poor connections and loose terminals at the ATF temperature sensor and the PCM. If the connection is OK, go to step  7

  7. Update A/T software in the PCM if it does not have the latest software (see PCM UPDATE ), or substitute a known-good PCM (see SUBSTITUTING THE PCM ).
  8. Turn the ignition switch to ON (II), and wait for 20 seconds, then start the engine. Warm the engine up to normal operating temperature (the radiator fan comes on).
  9. Turn the engine off, and leave it off until the engine coolant cools to the outside air temperature (the ECT SENSOR reads the same as the outside air temperature).
  10. Raise the vehicle on a lift, make sure it is securely supported, and allow all four wheels to rotate freely.
  11. Turn the ignition switch to ON (II), and wait for 20 seconds, then start the engine. Warm the engine up to normal operating temperature (the radiator fan comes on). Start off in D, accelerate with the throttle opened at least 4 degrees, and run the vehicle at speeds above 19 mph (30 km/h) for at least 5 minutes. Or test-drive the vehicle for at least 20 seconds while the ATF temperature reads -4°F to 230°F (-20°C to 110°C) by monitoring with the HDS. Slow down, and stop the wheels.
  12. Check for Temporary DTCs or DTCs with the HDS.

    Is DTC P0711 indicated? 

    YES  - If the PCM was updated, substitute a known-good PCM (see SUBSTITUTING THE PCM ), then recheck. If the PCM was substituted, go to step  1

    NO  - Go to step  13.

  13. Monitor the OBD status for P0711 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.

    Does the HDS indicate PASSED? 

    YES  - If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see PCM REPLACEMENT ). If any other DTCs were indicated in step  12, go to the indicated DTC's troubleshooting. ■

    NO  - If the HDS indicates FAILED, check for intermittent short to body ground in the wire between the ATF temperature sensor and the PCM. If the PCM was updated, substitute a known-good PCM (see SUBSTITUTING THE PCM ), then recheck. If the PCM was substituted, go to step  1 If the HDS indicates NOT COMPLETED, return to step  8 and recheck.

  14. Clear the DTC with the HDS.
  15. Turn the ignition switch to ON (II), and wait for 20 seconds, then start the engine. Warm the engine up to normal operating temperature (the radiator fan comes on).
  16. Turn the engine off, and leave it off until the engine coolant cools to the outside air temperature (the ECT SENSOR reads the same as the outside air temperature).
  17. Raise the vehicle on a lift, make sure it is securely supported, and allow all four wheels to rotate freely.
  18. Turn the ignition switch to ON (II), and wait for 20 seconds, then start the engine. Warm the engine up to normal operating temperature (the radiator fan comes on). Start off in D, accelerate with the throttle opened at least 4 degrees, and run the vehicle at speeds above 19 mph (30 km/h) for at least 5 minutes. Or test-drive the vehicle for at least 20 seconds while the ATF temperature reads -4°F to 230°F (-20°C to 110°C) by monitoring with the HDS. Slow down, and stop the wheels.
  19. Check for Temporary DTCs or DTCs with the HDS.

    DTC P0711 indicated? 

    YES  - Check for poor connections and loose terminals at the ATF temperature sensor and the PCM, then go to step  1

    NO  - Go to step  200.

  20. Monitor the OBD status for P0711 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.

    Does the HDS indicate PASSED? 

    YES  - Troubleshooting is complete. If any other DTCs were indicated on step  19, go to the indicated DTC's troubleshooting. ■

    NO  - If the HDS indicates FAILED, check for poor connections and loose terminals at the ATF temperature sensor and the PCM, then go to step  1. If the HDS indicates NOT COMPLETED, return to step  15 and recheck.

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