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2008 - MX-5 - Transmission/Transaxle

DTC P0711 [SJ6A-EL]



DTC P0711

Transmission fluid temperature (TFT) sensor malfunction (stuck)

DETECTION CONDITION

  • Change in ATF temperature cannot be detected for 10 min or more when driving in D range or R position.

    Diagnostic support note:
  • The MIL illuminates if the TCM detects the above malfunction condition in two consecutive drive cycles.

  • PENDING CODE is available.

  • FREEZE FRAME DATA is available.

  • The AT warning light illuminates.

  • The DTC is stored in the TCM memory.

POSSIBLE CAUSE

  • TFT sensor malfunction

  • Damaged connector between TFT sensor and TCM

  • TCM malfunction


Diagnostic procedure

STEP

INSPECTION

ACTION

1

VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
  • Has the FREEZE FRAME DATA been recorded?

Yes

Go to the next step.

No

Record the FREEZE FRAME DATA on the repair order, then go to the next step.

2

VERIFY RELATED REPAIR INFORMATION AVAILABILITY
  • Verify related Service Bulletins and/or on-line repair information availability.

  • Is any related repair information available?

Yes

Perform repair or diagnosis according to the available repair information.

  • If the vehicle is not repaired, go to the next step.

No

Go to the next step.

3

INSPECT RESISTANCE OF TFT SENSOR CIRCUIT
  • Inspect for resistance between TCM terminals 1J and 1M (wiring harness-side).

  • Is resistance as shown below?

Yes

Go to the next step.

No

Replace the TFT sensor, then go to Step 5.

(See TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR REMOVAL/INSTALLATION [SJ6A-EL].)

4

INSPECT TCM CONNECTOR FOR POOR CONNECTION
  • Turn the ignition switch to the LOCK position.

  • Disconnect the TCM connector.

  • Inspect for poor connection at TCM terminals 1J and 1M (such as damaged/pulled-out pins, corrosion).

  • Are terminals normal?

Yes

Go to the next step.

No

Repair or replace the connector and/or terminal, then go to the next step.

5

VERIFY TROUBLESHOOTING OF DTC P0711 COMPLETED
  • Make sure to reconnect all the disconnected connectors.

  • Clear the DTC from the memory using the M-MDS.

  • Drive the vehicle in D range and make sure that gears shift smoothly from 1GR to 6GR.

  • Is PENDING CODE for this the DTC present?

Yes

Replace the TCM, then go to the next step.

(See TCM REMOVAL/INSTALLATION [SJ6A-EL].)

No

Go to the next step.

6

VERIFY AFTER REPAIR PROCEDURE
  • Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [SJ6A-EL].)

No

Troubleshooting completed.




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