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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1056 (Automatic Transaxle Overhaul & Diagnostics) >> Re4F04B >> Trouble Diagnosis For Symptoms >> A/T Does Not Shift: D1 --> D2 or Does Not Kickdown: D4 --> D2

A/T Does Not Shift: D1 --> D2 or Does Not Kickdown: D4 --> D2

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM: 

A/T does not shift from D1 to D2 at the specified speed  .

A/T does not shift from D4 to D2 when depressing accelerator pedal fully at the specified speed  .

  1. CHECK SYMPTOM 

    Are "Vehicle Does Not Creep Forward In D Or L Position" and "Vehicle Cannot Be Started From D1" OK?

    Yes or No 

    1. Yes: GO TO 2.
    2. No: Go to "VEHICLE DOES NOT CREEP FORWARD IN D OR L POSITION " and "VEHICLE CANNOT BE STARTED FROM D1 ".
  2. ADJUST CONTROL CABLE 

    Check control cable. Refer to "CONTROL CABLE ADJUSTMENT "

    OK or NG 

    1. OK: GO TO 3.
    2. NG: Adjust control cable. Refer to "CONTROL CABLE ADJUSTMENT ".
    Fig 1: Adjusting Control Cable
    G00741163Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK VEHICLE SPEED SENSOR-A/T AND VEHICLE SPEED SENSOR-MTR CIRCUIT 

    Check vehicle speed sensor-A/T (revolution sensor) and vehicle speed sensor-MTR circuit. Refer to "DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR) " and "DTC VEHICLE SPEED SENSOR MTR ".

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Repair or replace vehicle speed sensor-A/T (revolution sensor) and vehicle speed sensor-MTR circuits.
  4. CHECK ACCELERATOR PEDAL POSITION (APP) SENSOR 

    Check accelerator pedal position (APP) sensor. Refer to "DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR] ".

    OK or NG 

    1. OK: GO TO 5.
    2. NG: Repair or replace accelerator pedal position (APP) sensor circuit.
    Fig 2: Identifying Accelerator Pedal Position (APP) Sensor
    G00741164Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK A/T FLUID CONDITION 
    1. Remove oil pan.
    2. Check A/T fluid condition.

    OK or NG 

    1. OK: GO TO  7.
    2. NG: GO TO 6.
    Fig 3: Checking A/T Fluid Condition
    G00741165Courtesy of NISSAN MOTOR CO., U.S.A.
  6. DETECT MALFUNCTIONING ITEM 
    1. Remove control valve. Refer to "CONTROL VALVE ASSEMBLY AND ACCUMULATORS ".
    2. Check the following items:
      • Shift valve A
      • Shift valve B
      • Shift solenoid valve A
      • Shift solenoid valve B
      • Pilot valve
      • Pilot filter
    3. Disassemble A/T.
    4. Check the following items:
      • Servo piston assembly
      • Brake band

    OK or NG 

    1. OK: GO TO  8.
    2. NG: Repair or replace damaged parts.
  7. DETECT MALFUNCTIONING ITEM 
    1. Remove control valve. Refer to "CONTROL VALVE ASSEMBLY AND ACCUMULATORS ".
    2. Check the following items:
      • Shift valve A
      • Shift valve B
      • Shift solenoid valve A
      • Shift solenoid valve B
      • Pilot valve
      • Pilot filter

    OK or NG 

    1. OK: GO TO 8.
    2. NG: Repair or replace damaged parts.
  8. CHECK SYMPTOM 

    Check again.

    OK or NG 

    1. OK: INSPECTION END 
    2. NG: GO TO 9.
  9. CHECK TCM INSPECTION 
    1. perform TCM input/output signal inspection. Refer to "TCM TERMINALS AND REFERENCE VALUE ".
    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.
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