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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2022 (Automatic Transmission) >> DTC P1772 Low Coast Brake Solenoid Valve >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK INPUT SIGNAL 

    With CONSULT-II 

    1. Turn ignition switch ON.
    2. Select "SELECTION FROM MENU" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
      Fig 1: Identifying CONSULT II Display - DATA MONITOR
      G04901004
    3. Start the engine.
    4. Read out the value of "ON OFF SOL" while driving.

    OK or NG 

    OK: GO TO  4.

    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 

    OK: GO TO 3.

    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 

    OK: Replace the control valve with TCM. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".

    NG: Repair or replace damaged parts.

  4. CHECK DTC 

    Perform "DTC Confirmation Procedure".

    OK or NG 

    OK: INSPECTION END 

    NG: GO TO  2.