LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2009 >> Sentra SE-R >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Body, Lock & Security System >> Service Information >> Intelligent Key System >> Stop Lamp Switch Check
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Stop Lamp Switch Check

  1. CHECK STOP LAMP SWITCH INPUT SIGNAL

    With CONSULT-III 

    Check stop lamp switch ("STOP LAMP SW") in "DATA MONITOR" mode with CONSULT-III.

    MONITOR ITEM CONDITION CHART

    Monitor item Condition
    STOP LAMP SW Brake pedal depressed: ON
    Brake pedal released: OFF

    Without CONSULT-III 

    1. Turn ignition switch OFF.
    2. Disconnect BCM.
    3. Check voltage between BCM connector M18 terminal 9 and ground.
      VOLTAGE SPECIFICATION

      Connector Terminals Condition Voltage (V) (Approx.)
      (+) (-)
      M18 9 Ground Brake pedal depressed Battery voltage
      Brake pedal released 0
      Fig 1: Checking Voltage Between BCM Connector M18 Terminal 9 And Ground
      G04927699Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      OK: Stop lamp switch circuit is OK.

      NG: GO TO 2.

  2. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT

    Check voltage between stop lamp switch harness connector E60 terminal 1 and ground.

    1 - Ground : Battery voltage 

    Fig 2: Checking Voltage Between Stop Lamp Switch Harness Connector E60 Terminal 1 And Ground
    G04927700Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace harness between stop lamp switch power supply circuit and fuse.

  3. CHECK STOP LAMP SWITCH OPERATION

    Check continuity between stop lamp switch terminals 1 and 2.

    CONTINUITY CHART

    Component Terminals Condition Continuity
    Stop lamp switch 1 2 Brake pedal depressed Yes
    Brake pedal not depressed No
    Fig 3: Checking Continuity Between Stop Lamp Switch Terminals 1 And 2
    G04927701Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: Replace stop lamp switch.

  4. CHECK STOP LAMP SWITCH CIRCUIT
    1. Check continuity between BCM connector M18 (A) terminal 9 and stop lamp switch connector E60 (B) terminal 2.

      9 - 2 : Continuity should exist. 

    2. Check continuity between BCM connector M18 (A) terminal 9 and ground.

      9 - Ground : Continuity should not exist. 

      Fig 4: Checking Continuity Between BCM Connector M18 Terminal 9 And Ground
      G04927702Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      OK: Check condition of harness and connector.

      NG: Repair or replace harness.

scientia non olet · About LEMON Manuals