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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 777 (Automatic Transaxle Re4F03B) >> Trouble Diagnoses For Symptoms >> 7. Vehicle Does Not Creep Forward In D , 2 Or 1 Position >> Symptom:

Symptom:

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Vehicle does not creep forward when selecting D , 2 or 1 position  .

  1. CHECK A/T FLUID LEVEL 

    Check A/T fluid level again.

    Fig 1: Checking Automatic Transaxle Fluid Level
    G02015917Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 2.
    2. NG: Refill ATF.

  2. CHECK STALL TEST 

    Check stall revolution with selector lever in D position. Refer to STALL TEST .

    Fig 2: Checking Stall Revolution With Selector Lever In D Position
    G02015918Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 3.
    2. NG: GO TO  6.

  3. CHECK LINE PRESSURE 

    Check line pressure at idle with selector lever in D position. Refer to LINE PRESSURE TEST .

    Fig 3: Checking Line Pressure At Idle With Selector Lever In D Position
    G02015919Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 4.
    2. NG:
      1. Remove control valve assembly. Refer to REMOVAL .
      2. Check the following items:
        • Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot filter)
        • Line pressure solenoid valve
      3. Disassemble A/T.
      4. Check the following item:
        • Oil pump assembly
  4. CHECK A/T FLUID CONDITION 
    1. Remove oil pan.
    2. Check A/T fluid condition.
      Fig 4: Checking Automatic Transaxle Fluid Condition
      G02015920Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 5.
    2. NG: GO TO  6.

  5. CHECK SYMPTOM 

    Check again.

    OK or NG 

    1. OK: INSPECTION END 
    2. NG:
      1. Perform TCM input/output signal inspection.
      2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

  6. DETECT MALFUNCTIONING ITEM 
    1. Remove control valve assembly. Refer to REMOVAL .
    2. Check the following items:
      • Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot filter)
      • Line pressure solenoid valve
    3. Disassemble A/T.
    4. Check the following items:
      • Oil pump assembly
      • Forward clutch assembly
      • Forward one-way clutch
      • Low one-way clutch
      • Low & reverse brake assembly
      • Torque converter

    OK or NG 

    1. OK: GO TO 5.
    2. NG: Repair or replace damaged parts.