LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1207 (Automatic Transmission) >> DTC P0745: Line Pressure Solenoid Valve >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Infiniti QX56. 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 "MAIN SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
    3. Start the engine.
    4. Read out the value of "LINE PRES SOL" while driving.
      LINE PRESSURE SOLENOID DISPLAY VALUE TABLE

      Item name Condition Display value (Approx.)
      LINE PRES SOL During driving 0.2 - 0.6 A
      Fig 1: Display Mode Screen
      G02382395Courtesy 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 items:

    • 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.
scientia non olet · About LEMON Manuals