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Home › Nissan-Datsun › 2003 › Sentra SE-R, Automatic › Repair and Diagnosis › External Pages › Different car › Section 1534 (Brake Control System) › Brake Control System - VDC/TCS/Abs › Trouble Diagnosis For Self-Diagnostic Items › Brake Fluid Level Sensor System Inspection › Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2005 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
  1. SELF-DIAGNOSIS RESULT CHECK 
    1. Check the brake reservoir tank fluid level. If the level is low, add brake fluid.
    2. Erase the self-diagnosis results and check the self-diagnosis results.
      SELF-DIAGNOSIS RESULTS

      Self-diagnosis results
      BR FLUID LEVEL LOW

    Is the above displayed in the self-diagnosis display items? 

    • YES: GO TO 2.
    • NO: Inspection End.
  2. CONNECTOR INSPECTION 
    1. Disconnect the ABS actuator and electric unit (control unit) connector E125 and brake fluid level switch connector E21.
    2. Check the terminals for deformation, disconnection, looseness or damage.

    OK or NG 

    • OK: GO TO 3.
    • NG: Repair or replace as necessary.
  3. CHECK THE HARNESS BETWEEN THE BRAKE FLUID LEVEL SENSOR AND THE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) 

    Check the continuity between the brake fluid level switch harness connector E21 and the ABS actuator and electric unit (control unit) harness connector E125.

    CONTINUITY SPECIFICATIONS

    ABS actuator and electric unit (control unit) harness connector E125 Brake fluid level switch harness connector E21 Continuity
    8  1  Yes 
    8  Ground  No 
    Ground  2  Yes 

    OK or NG 

    • OK: Perform self-diagnosis again. If the same results appear, replace ABS actuator and electric unit (control unit). Refer to "REMOVAL AND INSTALLATION ".
    • NG: Repair the circuit.
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