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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1664 (Automatic Transmission) >> DTC P1759 Front Brake Solenoid Valve Function >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  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. Fig 1: CONSULT-II Display - DATA MONITOR
      G04185847Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Drive vehicle in the "D" position (3rd => 4th gear), and confirm the ON/OFF actuation of the "ATF PRES SW 1" and electrical current value of "FR/B SOLENOID".
      ITEM CONDITION SPECIFICATION

      Item name Condition Display value (Approx.)
      FR/B SOLENOID Front brake engaged. Refer to CLUTCH AND BAND CHART (FLOOR SHIFT MODELS)  and CLUTCH AND BAND CHART (COLUMN SHIFT MODELS)  . 0.6 - 0.8 A
      Front brake disengaged. Refer to CLUTCH AND BAND CHART (FLOOR SHIFT MODELS)  and CLUTCH AND BAND CHART (COLUMN SHIFT MODELS)  . 0 - 0.05 A
      ATF PRES SW 1 Front brake engaged. Refer to CLUTCH AND BAND CHART (FLOOR SHIFT MODELS)  and CLUTCH AND BAND CHART (COLUMN SHIFT MODELS)  . ON
      Front brake disengaged. Refer to CLUTCH AND BAND CHART (FLOOR SHIFT MODELS)  and CLUTCH AND BAND CHART (COLUMN SHIFT MODELS)  . OFF

    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 items:

    • 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.