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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1056 (Automatic Transaxle Overhaul & Diagnostics) >> Re5F22A >> DTC P0755 Shift Solenoid Valve B >> Diagnostic Procedure

Diagnostic Procedure

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.
  1. CHECK SHIFT SOLENOID VALVE B SIGNAL 

    With CONSULT-II 

    1. Start engine.
    2. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-II.
    3. Drive vehicle and read out the value of "SFT SOL B OUT" and "SFT SOL B MON".
      Fig 1: Monitor Item Condition Chart
      G00745896Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: CONSULT-II Display - Data Monitor
      G00745897Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    1. Drive vehicle.
    2. Check voltage between TCM connector terminal and ground.
      Fig 3: Connector Terminal voltage chart
      G00745898Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 4: Checking Voltage Between TCM Connector Terminal And Ground
      G00745899Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO  5.
    2. NG: GO TO 2.
  2. CHECK SHIFT SOLENOID VALVE B CIRCUIT 
    1. Turn ignition switch "OFF".
    2. Disconnect the TCM connector.
    3. Check resistance between TCM connector terminal 25 and ground.
      Fig 5: Connector Terminal Resistance Specification
      G00745900Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 6: Checking Resistance Between TCM Connector Terminal 25 And Ground
      G00745901Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO  5.
    2. NG: GO TO 3.
  3. CHECK SHIFT SOLENOID VALVE B 
    1. Turn ignition switch "OFF".
    2. Disconnect terminal cord assembly harness connector.
    3. Check resistance between terminal 1 and ground.
      Fig 7: Connector Terminal Resistance Specification
      G00745902Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 8: Checking Resistance Between Terminal 1 And Ground
      G00745903Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Reinstall any part removed.

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Replace the transaxle assembly. Refer to "REMOVAL AND INSTALLATION ".
  4. CHECK HARNESS BETWEEN TCM AND SHIFT SOLENOID VALVE B 

    Check the following.

    • Open or short-circuit in the harness between TCM and shift solenoid valve B.

    OK or NG 

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

    Perform "DTC Confirmation Procedure". Refer to "DTC CONFIRMATION PROCEDURE ".

    OK or NG 

    1. OK: INSPECTION END 
    2. NG: GO TO 6.
  6. CHECK TCM 
  1. Check TCM input/output signal.
  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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