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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 >> 10. A/T Does Not Shift: D2 --> D3 >> Symptom:

Symptom:

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A/T does not shift from D2 to D3 at the specified speed  .

  1. CHECK SYMPTOM 

    Are 7. Vehicle Does Not Creep Forward In D, 2 Or 1 Position and 8. Vehicle Cannot Be Started From D1 OK?

    Yes or No 

    1. Yes: GO TO 2.
    2. No: Go to 7. Vehicle Does Not Creep Forward In D , 2 Or 1 Position  , 8. Vehicle Cannot Be Started From D1 .

  2. CHECK PNP SWITCH CIRCUIT 

    With CONSULT-II 

    Does TCM INPUT SIGNALS in DATA MONITOR show damage to PNP switch circuit?

    Fig 1: Checking PNP Switch Circuit
    G02015928Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    Does self-diagnosis show damage to PNP switch circuit?

    Yes or No 

    1. Yes: Check PNP switch circuit. Refer to DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH .
    2. No: GO TO 3.

  3. CHECK THROTTLE POSITION SENSOR 

    Check throttle position sensor. Refer to DTC P0121, DTC P0122 OR DTC P0123: TP SENSOR or DTC P0121, DTC P0122 OR DTC P0123: THROTTLE POSITION SENSOR (TP) .

    Fig 2: Locating Throttle Position Sensor Components
    G02015929Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Repair or replace throttle position sensor.

  4. CHECK A/T FLUID CONDITION 
    1. Remove oil pan.
    2. Check A/T fluid condition.
      Fig 3: Checking Automatic Transaxle Fluid Condition
      G02015930Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 5.
    2. NG: GO TO  7.

  5. DETECT MALFUNCTIONING ITEM 
    1. Remove control valve assembly. Refer to REMOVAL .
    2. Check the following items:
      • Shift valve B
      • Shift solenoid valve B
      • Pilot valve
      • Pilot filter

    OK or NG 

    1. OK: GO TO 6.
    2. NG: Repair or replace damaged parts.

  6. 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.

  7. DETECT MALFUNCTIONING ITEM 
    1. Remove control valve assembly. Refer to REMOVAL .
    2. Check the following items:
      • Shift valve B
      • Shift solenoid valve B
      • Pilot valve
      • Pilot filter
    3. Disassemble A/T.
    4. Check the following items:
      • Servo piston assembly
      • High clutch assembly
      • Oil pump assembly

    OK or NG 

    1. OK: GO TO 6.
    2. NG: Repair or replace damaged parts.

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