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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 778 (Automatic Transaxle Re4F04B) >> Trouble Diagnosis 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  and 8. VEHICLE CANNOT BE STARTED FROM D1 .
  2. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT 

    With CONSULT-II 

    Does TCM INPUT SIGNALS in DATA MONITOR show damage to park/neutral position (PNP) switch circuit?

    Fig 1: Checking PNP Switch Circuit
    G02016875Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    Does self-diagnosis show damage to park/neutral position (PNP) switch circuit?

    Yes or No 

    1. Yes: Check park/neutral position (PNP) switch circuit. Refer to DTC P0705 PARK/NEUTRAL POSITION SWITCH .
    2. No: GO TO 3.
  3. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR] 

    Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to DTC P0221 TP SENSOR and DTC P0226 APP SENSOR .

    Fig 2: Locating Throttle Position Sensor Components
    G02016876Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Repair or replace throttle position sensor [accelerator pedal position (APP) sensor].
  4. CHECK A/T FLUID CONDITION 
    1. Remove oil pan.
    2. Check A/T fluid condition.
      Fig 3: Checking Automatic Transaxle Fluid Condition
      G02016877Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO  6.
    2. NG: GO TO 5.
  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
    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  7.
    2. NG: Repair or replace damaged parts.
  6. 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 7.
    2. NG: Repair or replace damaged parts.
  7. CHECK SYMPTOM 

    Check again.

    OK or NG 

    1. OK: INSPECTION END 
    2. NG: GO TO 8.
  8. CHECK TCM INSPECTION 
    1. Perform TCM input/output signal inspection.
    2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

    OK or NG 

    1. OK: INSPECTION END 
    2. NG: Repair or replace damaged parts.