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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2022 (Automatic Transmission) >> Trouble Diagnosis For Symptoms >> A/T Does Not Shift: D1 --> D2 >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. CONFIRM THE SYMPTOM 

    Check if vehicle creeps forward in "D" position and vehicle can be started from D1.

    OK or NG 

    OK: GO TO 2.

    NG: Refer to "VEHICLE DOES NOT CREEP FORWARD IN "D" POSITION ", "VEHICLE CANNOT BE STARTED FROM D1 ".

  2. CHECK SELF-DIAGNOSTIC RESULTS 

    Perform self-diagnosis. Refer to "SELF-DIAGNOSTIC RESULT MODE ".

    Is any malfunction detected by self-diagnostic results? 

    YES: Check the malfunctioning system. Refer to "SELF-DIAGNOSTIC RESULT MODE ".

    NO: GO TO 3.

  3. CHECK A/T FLUID LEVEL 

    Check A/T fluid level. Refer to "CHECKING THE A/T FLUID (ATF) ".

    OK or NG 

    OK: GO TO 4.

    NG: Refill ATF.

  4. CHECK LINE PRESSURE 

    Check line pressure at the engine stall point. Refer to "LINE PRESSURE TEST ".

    OK or NG 

    OK: GO TO  7.

    NG - 1: Line pressure high. GO TO 5.

    NG - 2: Line pressure low. GO TO  6.

  5. DETECT MALFUNCTIONING ITEM 
    1. Check control valve with TCM. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".
    2. Disassemble A/T. Refer to "DISASSEMBLY ".
    3. Check the following.
      • Oil pump assembly. Refer to "OIL PUMP ".

    OK or NG 

    OK: GO TO  7.

    NG: Repair or replace damaged parts.

  6. DETECT MALFUNCTIONING ITEM 
    1. Check control valve with TCM. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".
    2. Disassemble A/T. Refer to "DISASSEMBLY ".
    3. Check the following.

    OK or NG 

    OK: GO TO 7.

    NG: Repair or replace damaged parts.

  7. CHECK A/T FLUID CONDITION 
    1. Remove oil pan. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".
    2. Check A/T fluid condition. Refer to "FLUID CONDITION CHECK ".

    OK or NG 

    OK: GO TO 8.

    NG: GO TO  11.

  8. DETECT MALFUNCTIONING ITEM 
    • Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to "SYMPTOM CHART " (Symptom No.10).

    OK or NG 

    OK: GO TO 9.

    NG: Repair or replace damaged parts.

  9. CHECK SYMPTOM 

    Check again. Refer to "CRUISE TEST - PART 1 ", "CRUISE TEST - PART 2 ".

    OK or NG 

    OK: INSPECTION END 

    NG: GO TO 10.

  10. PERFORM TCM INSPECTION 
    1. Perform TCM input/output signals inspection. Refer to "TCM INPUT/OUTPUT SIGNAL REFERENCE VALUES ".
    2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness connector.

    OK or NG 

    OK: INSPECTION END 

    NG: Repair or replace damaged parts.

  11. DETECT MALFUNCTIONING ITEM 
    • Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to "SYMPTOM CHART " (Symptom No.10).

    OK or NG 

    OK: GO TO  9.

    NG: Repair or replace damaged parts.

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