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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2123 (Brake Control System) >> Service Information >> Trouble Diagnosis For Self-Diagnostic Items >> Stop Lamp Switch System 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
    STOP LAMP SW

    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 stop lamp switch connector E38.
    2. Check the terminals for deformation, disconnection, looseness or damage.

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace as necessary.

  3. STOP LAMP SWITCH INSPECTION 

    Turn the ignition switch ON and check the voltage between the ABS actuator and electric unit (control unit) connector E125 terminal 8 and ground.

    8 - Ground 

    Brake pedal depressed : Battery voltage (approx. 12V) 

    Brake pedal not depressed : Approx. 0V 

    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.

    Fig 1: Checking Voltage Between ABS Actuator And Electric Unit Connector Terminal 8 And Ground
    G04906794Courtesy of NISSAN MOTOR CO., U.S.A.