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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1271 (Brake Control System) >> VDC/TCS/Abs >> Trouble Diagnosis For Self-Diagnostic Items >> Stop Lamp Switch System Inspection >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2004 Nissan Maxima. 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

    STOP LAMP SW

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

    1. Yes >> GO TO 2.
    2. No >> INSPECTION END. 
  2. CONNECTOR INSPECTION 
    1. Turn the ignition switch off and disconnect the ABS actuator and electric unit connector E125 and stop lamp switch connector E38.
    2. Check the terminals for deformation, disconnection, looseness or damage.

    OK or NG 

    1. OK >> GO TO 3.
    2. NG >> Repair or replace as necessary.
  3. STOP LAMP SWITCH INSPECTION 

    Check the voltage between the ABS actuator and electric unit connector E125 terminal 23 (R/G) and ground.

    1. 23 (R/G) - Ground 
      1. Brake pedal depressed : Battery voltage (approx. 12V) 
      2. Brake pedal not depressed : Approx. 0V 

    OK or NG 

    1. OK >> Connect the connectors and conduct ABS actuator and electric unit self-diagnosis.
    2. NG >> Repair the circuit.
    Fig 1: Checking Stop Lamp Switch
    G00333893Courtesy of NISSAN MOTOR CO., U.S.A.