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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2149 (Brake Control System) >> Service Information >> Trouble Diagnosis For Self-Diagnostic Items >> ABS/TCS Control Unit Power and Ground Systems Inspection >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2008 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. SELF-DIAGNOSIS RESULT CHECK 

    Check self-diagnosis results.

    SELF-DIAGNOSIS RESULTS

    Self-diagnosis results
    BATTERY VOLTAGE

    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.
    2. Check the terminals for deformation, disconnection, looseness or damage.

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace as necessary.

  3. ABS/TCS CONTROL UNIT POWER AND GROUND CIRCUIT INSPECTION 

    Measure the voltage and continuity between the ABS actuator and electric unit (control unit) connector E125 and ground.

    ABS ACTUATOR AND ELECTRIC UNIT SPECIFICATIONS

    Signal name ABS actuator and electric unit (control unit) connector E125 Ground Measured value
    Power supply 16 - Battery voltage (Approx. 12V)
    Ground 3 Continuity should exist.
    4

    OK or NG 

    OK: Check the battery for loose terminals, low voltage, etc. Repair as necessary.

    NG: Repair the circuit.

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