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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1174 (Automatic Transaxle - Re4F03B) >> DTC Batt/Fluid Temp Sen (A/T Fluid Temp Sensor Circuit And TCM Power Source) >> Trouble Diagnoses For Symptoms >> 9. A/T Does Not Shift: D1 --> D2 Or Does Not Kickdown: D4 --> D2

9. A/T Does Not Shift: D1 --> D2 Or Does Not Kickdown: D4 --> D2

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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 "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 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: Identifying Control Cable
    G00899605Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK VEHICLE SPEED SENSOR.A/T AND CHECK 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) ", "DTC VHCL SPEED SEN.MTR 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 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR] 

    Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to DTC P0122, P0123: TP SENSOR .

    OK or NG 

    1. OK: GO TO 5.
    2. NG: Repair or replace throttle position sensor [accelerator pedal position (APP) sensor].
    Fig 2: Checking Throttle Position Sensor
    G00899606Courtesy 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 6.
    2. NG: GO TO  8.
    Fig 3: Checking A/T Fluid Condition
    G00899607Courtesy of NISSAN MOTOR CO., U.S.A.
  6. DETECT MALFUNCTIONING ITEM 
    1. Remove control valve. Refer to "REMOVAL ".
    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 7.
    2. NG: Repair or replace damaged parts.
  7. CHECK SYMPTOM 

    Check again.

    OK or NG 

    1. OK: INSPECTION END 
    2. NG:
      1. Perform TCM input/output signal inspection. See INPUT/OUTPUT SIGNAL OF TCM .
      2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
  8. DETECT MALFUNCTIONING ITEM 
    1. Remove control valve. Refer to "REMOVAL ".
    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  7.
    2. NG: Repair or replace damaged parts.
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