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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R Spec V >> Repair and Diagnosis >> External Pages >> Different car >> Section 1401 (Automatic Transmission) >> DTC P1710: A/T Fluid Temperature Sensor Circuit >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK A/T FLUID TEMPERATURE SENSOR 1 SIGNAL 

    With CONSULT-II 

    1. Start engine.
    2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
    3. Read out the value of "ATF TEMP SE 1".
    ITEM VALUE SPECIFICATION

    Item name Condition °C (°F) Display value (Approx.)
    ATF TEMP SE 1 0 (32) - 20 (68) - 80 (176) 2.2 - 1.8 - 0.6 V
    Fig 1: Identifying Display - Data Monitor
    G02362681Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 2.
    2. NG: GO TO  3.
  2. CHECK A/T FLUID TEMPERATURE SENSOR 2 SIGNAL 

    With CONSULT-II 

    1. Start engine.
    2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
    3. Read out the value of "ATF TEMP SE 2".
    ITEM VALUE SPECIFICATION

    Item name Condition °C (°F) Display value (Approx.)
    ATF TEMP SE 2 0 (32) - 20 (68) - 80 (176) 2.2 - 1.7 - 0.45 V
    Fig 2: Item Value Specification
    G02362682Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO  8.
    2. NG: GO TO  5.
  3. CHECK A/T FLUID TEMPERATURE SENSOR 1 

    Check A/T fluid temperature sensor 1. Refer to "A/T FLUID TEMPERATURE SENSOR 1 ".

    OK or NG

    1. OK: GO TO 4.
    2. NG: Replace the control valve with TCM. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".
  4. CHECK SUB-HARNESS 
    1. Disconnect park/neutral position switch connector and TCM connector.
    2. Check continuity between park/neutral position switch connector terminals and TCM connector terminals.
      Fig 3: Identifying Display - Data Monitor
      G02362683Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 4: Item Value Specification
      G02362684Courtesy of NISSAN MOTOR CO., U.S.A.
    3. If OK, check harness for short to ground and short to power.

    OK or NG

    1. OK: GO TO  7.
    2. NG: Replace open circuit or short to ground and short to power in harness or connectors.
  5. CHECK A/T FLUID TEMPERATURE SENSOR 2 

    Check A/T fluid temperature sensor 2. Refer to "A/T FLUID TEMPERATURE SENSOR 2 ".

    OK or NG

    1. OK: GO TO 6.
    2. NG: Replace the A/T fluid temperature sensor 2. Refer to "A/T FLUID TEMPERATURE SENSOR 2 REMOVAL AND INSTALLATION ".
  6. CHECK TERMINAL CORD ASSEMBLY 
    1. Disconnect A/T fluid temperature sensor 2 connector and TCM connector.
    2. Check continuity between A/T fluid temperature sensor 2 connector terminals and TCM connector terminals.
      Fig 5: Checking Continuity Between A/T Fluid Temperature Sensor
      G02362685Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 6: Item Continuity Specification
      G02362686Courtesy of NISSAN MOTOR CO., U.S.A.
    3. If OK, check harness for short to ground and short to power.

    OK or NG

    1. OK: GO TO 7.
    2. NG: Replace open circuit or short to ground and short to power in harness or connectors.
  7. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT 
    1. Check TCM power supply and ground circuit. Refer to "MAIN POWER SUPPLY AND GROUND CIRCUIT ".
    2. Reinstall any part removed.

    OK or NG

    1. OK: Replace the control valve with TCM. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".
    2. NG: Repair or replace damaged parts.
  8. CHECK DTC 

    Perform "DTC Confirmation Procedure".

    OK or NG

    1. OK: INSPECTION END 
    2. NG: GO TO  1.
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