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Home >> Infiniti >> 2005 >> FX45 >> Repair and Diagnosis >> Transmission >> Automatic Transmission >> DTC P1754: Input Clutch Solenoid Valve Function >> Diagnostic Procedure

Diagnostic Procedure

  1. CHECK INPUT SIGNALS 

    WITH CONSULT-II 

    1. Start engine.
    2. Select "SELECTION FROM MENU" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
    3. Drive vehicle in "D" position (3rd 4th gear), and confirm the ON/OFF actuation of "ATF PRES SW 3" and electrical current value of "I/C SOLENOID".
      Fig 1: Identifying Display - Data Monitor
      G02362708Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Item Value Specification
      G02362709Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO  4.
    2. NG: GO TO 2.
  2. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT 

    Check TCM power supply and ground circuit. Refer to "MAIN POWER SUPPLY AND GROUND CIRCUIT ".

    OK or NG

    1. OK: GO TO 3.
    2. NG: Repair or replace damaged parts.
  3. DETECT MALFUNCTIONING ITEM 

    Check the following.

    • The A/T assembly harness connector pin terminals for damage or loose connection with harness connector.

    OK or NG

    1. OK: Replace the control valve with TCM. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".
    2. NG: Repair or replace damaged parts.
  4. CHECK DTC 

    Perform DTC Confirmation Procedure.

    OK or NG

    1. OK: INSPECTION END 
    2. NG: GO TO  2.